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Does massive hemoptysis always merit diagnostic bronchoscopy?
Yes, all patients with massive hemoptysis should undergo diagnostic bronchoscopy. The procedure plays an important role in protecting the airway, maintaining ventilation, finding the site and underlying cause of the bleeding, and in some cases stopping the bleeding, either temporarily or definitively.
Frightening to patients, massive hemoptysis is a medical emergency and demands immediate attention by an experienced pulmonary team.1 Hemoptysis can be the initial presentation of an underlying infectious, autoimmune, or malignant disorder (Table 1).2 Fortunately, most cases of hemoptysis are not massive or life-threatening.1
WHAT IS ‘MASSIVE’ HEMOPTYSIS?
Numerous studies have defined massive hemoptysis on the basis of the volume of blood lost over time, eg, more than 1 L in 24 hours or more than 400 mL in 6 hours.
Ibrahim3 has proposed that we move away from using the word “massive,” which is not useful, and instead think in terms of “life-threatening” hemoptysis, defined as any of the following:
- More than 100 mL of blood lost in 24 hours (a low number, but blood loss is hard to estimate accurately)
- Causing abnormal gas exchange due to airway obstruction
- Causing hemodynamic instability.
In this article, we use the traditional “massive” terminology.
BRONCHOSCOPY IS SUPERIOR TO IMAGING FOR DIAGNOSIS
Radiography can help identify the side or the site of bleeding in 33% to 82% of patients, and computed tomography can in 70% to 88.5%.4 Magnetic resonance imaging may also have a role; one study found it useful in cases of thoracic endometriosis during the quiescent stage.5 However, transferring a patient who is actively bleeding out of the intensive care unit for imaging can be challenging.
Flexible bronchoscopy is superior to radiographic imaging in evaluating massive hemoptysis: it can be performed at the bed-side and can include therapeutic procedures to control the bleeding until the patient can undergo a definitive therapeutic procedure.6 It has been found helpful in identifying the side of bleeding in 73% to 93% of cases of massive hemoptysis.6
However, one should consider starting the procedure with a rigid bronchoscope, which protects the airway better and allows for better ventilation during the procedure than a flexible one. One can use it to isolate the nonbleeding lung and to apply pressure to the bleeding site if it is in the main bronchus.7 Measuring 12 mm in diameter, a rigid scope cannot go as far into the lung as a flexible bronchoscope (measuring 6.4 mm), but a flexible bronchoscope can be introduced through the rigid bronchoscope to go further in.
MANAGEMENT OPTIONS
The management team should include an anesthesiologist, an intensivist, a thoracic surgeon, an interventional radiologist, and an interventional pulmonologist.
In the intensive care unit, the patient should be placed in the lateral decubitus position on the bleeding side. To maintain ventilation, the nonbleeding lung should be intubated with a large-bore endotracheal tube (internal diameter 8.5–9.0 mm) or, ideally, with a rigid bronchoscope.6 Meanwhile, the patient’s circulatory status should be stabilized with adequate fluid resuscitation and transfusion of blood products, with close monitoring.
Once the bleeding site is found, a bronchoscopic treatment is selected based on the cause of the bleeding. Massive hemoptysis usually arises from high-pressure bronchial vessels (90%) or, less commonly, from non-bronchial vessels or capillaries (10%).8 A variety of agents (eg, cold saline lavage, epinephrine 1:20,000) can be instilled through the bronchoscope to slow the bleeding and offer better visualization of the airway.6
If a bleeding intrabronchial lesion is identified, such as a malignant tracheobronchial tumor, local coagulation therapy can be applied through the bronchoscope. Options include laser treatment, argon plasma coagulation, cryotherapy, and electrocautery (Figure 1).9,10
If the bleeding persists or cannot be localized to a particular subsegment, an endobronchial balloon plug can be placed proximally (Figure 2). This can be left in place to isolate the bleeding and apply tamponade until a definitive procedure can be performed, such as bronchial artery embolization, radiation therapy, or surgery.
- Jean-Baptiste E. Clinical assessment and management of massive hemoptysis. Crit Care Med 2000; 28:1642–1647.
- Abi Khalil S, Gourdier AL, Aoun N, et al. Cystic and cavitary lesions of the lung: imaging characteristics and differential diagnosis [in French]. J Radiol 2010; 91:465–473.
- Ibrahim WH. Massive haemoptysis: the definition should be revised. Eur Respir J 2008; 32:1131–1132.
- Khalil A, Soussan M, Mangiapan G, Fartoukh M, Parrot A, Carette MF. Utility of high-resolution chest CT scan in the emergency management of haemoptysis in the intensive care unit: severity, localization and aetiology. Br J Radiol 2007; 80:21–25.
- Cassina PC, Hauser M, Kacl G, Imthurn B, Schröder S, Weder W. Catamenial hemoptysis. Diagnosis with MRI. Chest 1997; 111:1447–1450.
- Sakr L, Dutau H. Massive hemoptysis: an update on the role of bronchoscopy in diagnosis and management. Respiration 2010; 80:38–58.
- Conlan AA, Hurwitz SS. Management of massive haemoptysis with the rigid bronchoscope and cold saline lavage. Thorax 1980; 35:901–904.
- Deffebach ME, Charan NB, Lakshminarayan S, Butler J. The bronchial circulation. Small, but a vital attribute of the lung. Am Rev Respir Dis 1987; 135:463–481.
- Morice RC, Ece T, Ece F, Keus L. Endobronchial argon plasma coagulation for treatment of hemoptysis and neoplastic airway obstruction. Chest 2001; 119:781–787.
- Sheski FD, Mathur PN. Cryotherapy, electrocautery, and brachytherapy. Clin Chest Med 1999; 20:123–138.
Yes, all patients with massive hemoptysis should undergo diagnostic bronchoscopy. The procedure plays an important role in protecting the airway, maintaining ventilation, finding the site and underlying cause of the bleeding, and in some cases stopping the bleeding, either temporarily or definitively.
Frightening to patients, massive hemoptysis is a medical emergency and demands immediate attention by an experienced pulmonary team.1 Hemoptysis can be the initial presentation of an underlying infectious, autoimmune, or malignant disorder (Table 1).2 Fortunately, most cases of hemoptysis are not massive or life-threatening.1
WHAT IS ‘MASSIVE’ HEMOPTYSIS?
Numerous studies have defined massive hemoptysis on the basis of the volume of blood lost over time, eg, more than 1 L in 24 hours or more than 400 mL in 6 hours.
Ibrahim3 has proposed that we move away from using the word “massive,” which is not useful, and instead think in terms of “life-threatening” hemoptysis, defined as any of the following:
- More than 100 mL of blood lost in 24 hours (a low number, but blood loss is hard to estimate accurately)
- Causing abnormal gas exchange due to airway obstruction
- Causing hemodynamic instability.
In this article, we use the traditional “massive” terminology.
BRONCHOSCOPY IS SUPERIOR TO IMAGING FOR DIAGNOSIS
Radiography can help identify the side or the site of bleeding in 33% to 82% of patients, and computed tomography can in 70% to 88.5%.4 Magnetic resonance imaging may also have a role; one study found it useful in cases of thoracic endometriosis during the quiescent stage.5 However, transferring a patient who is actively bleeding out of the intensive care unit for imaging can be challenging.
Flexible bronchoscopy is superior to radiographic imaging in evaluating massive hemoptysis: it can be performed at the bed-side and can include therapeutic procedures to control the bleeding until the patient can undergo a definitive therapeutic procedure.6 It has been found helpful in identifying the side of bleeding in 73% to 93% of cases of massive hemoptysis.6
However, one should consider starting the procedure with a rigid bronchoscope, which protects the airway better and allows for better ventilation during the procedure than a flexible one. One can use it to isolate the nonbleeding lung and to apply pressure to the bleeding site if it is in the main bronchus.7 Measuring 12 mm in diameter, a rigid scope cannot go as far into the lung as a flexible bronchoscope (measuring 6.4 mm), but a flexible bronchoscope can be introduced through the rigid bronchoscope to go further in.
MANAGEMENT OPTIONS
The management team should include an anesthesiologist, an intensivist, a thoracic surgeon, an interventional radiologist, and an interventional pulmonologist.
In the intensive care unit, the patient should be placed in the lateral decubitus position on the bleeding side. To maintain ventilation, the nonbleeding lung should be intubated with a large-bore endotracheal tube (internal diameter 8.5–9.0 mm) or, ideally, with a rigid bronchoscope.6 Meanwhile, the patient’s circulatory status should be stabilized with adequate fluid resuscitation and transfusion of blood products, with close monitoring.
Once the bleeding site is found, a bronchoscopic treatment is selected based on the cause of the bleeding. Massive hemoptysis usually arises from high-pressure bronchial vessels (90%) or, less commonly, from non-bronchial vessels or capillaries (10%).8 A variety of agents (eg, cold saline lavage, epinephrine 1:20,000) can be instilled through the bronchoscope to slow the bleeding and offer better visualization of the airway.6
If a bleeding intrabronchial lesion is identified, such as a malignant tracheobronchial tumor, local coagulation therapy can be applied through the bronchoscope. Options include laser treatment, argon plasma coagulation, cryotherapy, and electrocautery (Figure 1).9,10
If the bleeding persists or cannot be localized to a particular subsegment, an endobronchial balloon plug can be placed proximally (Figure 2). This can be left in place to isolate the bleeding and apply tamponade until a definitive procedure can be performed, such as bronchial artery embolization, radiation therapy, or surgery.
Yes, all patients with massive hemoptysis should undergo diagnostic bronchoscopy. The procedure plays an important role in protecting the airway, maintaining ventilation, finding the site and underlying cause of the bleeding, and in some cases stopping the bleeding, either temporarily or definitively.
Frightening to patients, massive hemoptysis is a medical emergency and demands immediate attention by an experienced pulmonary team.1 Hemoptysis can be the initial presentation of an underlying infectious, autoimmune, or malignant disorder (Table 1).2 Fortunately, most cases of hemoptysis are not massive or life-threatening.1
WHAT IS ‘MASSIVE’ HEMOPTYSIS?
Numerous studies have defined massive hemoptysis on the basis of the volume of blood lost over time, eg, more than 1 L in 24 hours or more than 400 mL in 6 hours.
Ibrahim3 has proposed that we move away from using the word “massive,” which is not useful, and instead think in terms of “life-threatening” hemoptysis, defined as any of the following:
- More than 100 mL of blood lost in 24 hours (a low number, but blood loss is hard to estimate accurately)
- Causing abnormal gas exchange due to airway obstruction
- Causing hemodynamic instability.
In this article, we use the traditional “massive” terminology.
BRONCHOSCOPY IS SUPERIOR TO IMAGING FOR DIAGNOSIS
Radiography can help identify the side or the site of bleeding in 33% to 82% of patients, and computed tomography can in 70% to 88.5%.4 Magnetic resonance imaging may also have a role; one study found it useful in cases of thoracic endometriosis during the quiescent stage.5 However, transferring a patient who is actively bleeding out of the intensive care unit for imaging can be challenging.
Flexible bronchoscopy is superior to radiographic imaging in evaluating massive hemoptysis: it can be performed at the bed-side and can include therapeutic procedures to control the bleeding until the patient can undergo a definitive therapeutic procedure.6 It has been found helpful in identifying the side of bleeding in 73% to 93% of cases of massive hemoptysis.6
However, one should consider starting the procedure with a rigid bronchoscope, which protects the airway better and allows for better ventilation during the procedure than a flexible one. One can use it to isolate the nonbleeding lung and to apply pressure to the bleeding site if it is in the main bronchus.7 Measuring 12 mm in diameter, a rigid scope cannot go as far into the lung as a flexible bronchoscope (measuring 6.4 mm), but a flexible bronchoscope can be introduced through the rigid bronchoscope to go further in.
MANAGEMENT OPTIONS
The management team should include an anesthesiologist, an intensivist, a thoracic surgeon, an interventional radiologist, and an interventional pulmonologist.
In the intensive care unit, the patient should be placed in the lateral decubitus position on the bleeding side. To maintain ventilation, the nonbleeding lung should be intubated with a large-bore endotracheal tube (internal diameter 8.5–9.0 mm) or, ideally, with a rigid bronchoscope.6 Meanwhile, the patient’s circulatory status should be stabilized with adequate fluid resuscitation and transfusion of blood products, with close monitoring.
Once the bleeding site is found, a bronchoscopic treatment is selected based on the cause of the bleeding. Massive hemoptysis usually arises from high-pressure bronchial vessels (90%) or, less commonly, from non-bronchial vessels or capillaries (10%).8 A variety of agents (eg, cold saline lavage, epinephrine 1:20,000) can be instilled through the bronchoscope to slow the bleeding and offer better visualization of the airway.6
If a bleeding intrabronchial lesion is identified, such as a malignant tracheobronchial tumor, local coagulation therapy can be applied through the bronchoscope. Options include laser treatment, argon plasma coagulation, cryotherapy, and electrocautery (Figure 1).9,10
If the bleeding persists or cannot be localized to a particular subsegment, an endobronchial balloon plug can be placed proximally (Figure 2). This can be left in place to isolate the bleeding and apply tamponade until a definitive procedure can be performed, such as bronchial artery embolization, radiation therapy, or surgery.
- Jean-Baptiste E. Clinical assessment and management of massive hemoptysis. Crit Care Med 2000; 28:1642–1647.
- Abi Khalil S, Gourdier AL, Aoun N, et al. Cystic and cavitary lesions of the lung: imaging characteristics and differential diagnosis [in French]. J Radiol 2010; 91:465–473.
- Ibrahim WH. Massive haemoptysis: the definition should be revised. Eur Respir J 2008; 32:1131–1132.
- Khalil A, Soussan M, Mangiapan G, Fartoukh M, Parrot A, Carette MF. Utility of high-resolution chest CT scan in the emergency management of haemoptysis in the intensive care unit: severity, localization and aetiology. Br J Radiol 2007; 80:21–25.
- Cassina PC, Hauser M, Kacl G, Imthurn B, Schröder S, Weder W. Catamenial hemoptysis. Diagnosis with MRI. Chest 1997; 111:1447–1450.
- Sakr L, Dutau H. Massive hemoptysis: an update on the role of bronchoscopy in diagnosis and management. Respiration 2010; 80:38–58.
- Conlan AA, Hurwitz SS. Management of massive haemoptysis with the rigid bronchoscope and cold saline lavage. Thorax 1980; 35:901–904.
- Deffebach ME, Charan NB, Lakshminarayan S, Butler J. The bronchial circulation. Small, but a vital attribute of the lung. Am Rev Respir Dis 1987; 135:463–481.
- Morice RC, Ece T, Ece F, Keus L. Endobronchial argon plasma coagulation for treatment of hemoptysis and neoplastic airway obstruction. Chest 2001; 119:781–787.
- Sheski FD, Mathur PN. Cryotherapy, electrocautery, and brachytherapy. Clin Chest Med 1999; 20:123–138.
- Jean-Baptiste E. Clinical assessment and management of massive hemoptysis. Crit Care Med 2000; 28:1642–1647.
- Abi Khalil S, Gourdier AL, Aoun N, et al. Cystic and cavitary lesions of the lung: imaging characteristics and differential diagnosis [in French]. J Radiol 2010; 91:465–473.
- Ibrahim WH. Massive haemoptysis: the definition should be revised. Eur Respir J 2008; 32:1131–1132.
- Khalil A, Soussan M, Mangiapan G, Fartoukh M, Parrot A, Carette MF. Utility of high-resolution chest CT scan in the emergency management of haemoptysis in the intensive care unit: severity, localization and aetiology. Br J Radiol 2007; 80:21–25.
- Cassina PC, Hauser M, Kacl G, Imthurn B, Schröder S, Weder W. Catamenial hemoptysis. Diagnosis with MRI. Chest 1997; 111:1447–1450.
- Sakr L, Dutau H. Massive hemoptysis: an update on the role of bronchoscopy in diagnosis and management. Respiration 2010; 80:38–58.
- Conlan AA, Hurwitz SS. Management of massive haemoptysis with the rigid bronchoscope and cold saline lavage. Thorax 1980; 35:901–904.
- Deffebach ME, Charan NB, Lakshminarayan S, Butler J. The bronchial circulation. Small, but a vital attribute of the lung. Am Rev Respir Dis 1987; 135:463–481.
- Morice RC, Ece T, Ece F, Keus L. Endobronchial argon plasma coagulation for treatment of hemoptysis and neoplastic airway obstruction. Chest 2001; 119:781–787.
- Sheski FD, Mathur PN. Cryotherapy, electrocautery, and brachytherapy. Clin Chest Med 1999; 20:123–138.
Miss the ear, and you may miss the diagnosis
A 52-year-old woman presented with pain in both ears associated with redness and swelling. The symptoms appeared 3 weeks earlier. The pain had started on one side, then spread to the other over a period of 2 weeks. She denied fever, chills, rigor, rash, or upper respiratory symptoms. She had experienced similar but unilateral ear pain months before. Her medical history included bilateral knee pain and swelling (treated as osteoarthritis), hypertension, hyperlipidemia, and hypothyroidism. She also reported progressive bilateral hearing loss, for which she now uses hearing aids. She had no history of conjunctivitis or uveitis.
Physical examination showed swelling and erythema of both ears, sparing the earlobes (Figure 1), as well as bilateral knee-joint tenderness and restricted joint movement. The erythrocyte sedimentation rate was elevated at 52 mm/h (reference range 0–20); the complete blood cell count, creatinine, and liver enzyme levels were normal. An autoimmune panel was negative for antinuclear antibody, antineutrophil cytoplasmic antibody, and rheumatoid factor.
A clinical diagnosis of relapsing polychondritis was made based on the McAdam criteria.1 The patient was initially started on steroids and then was maintained on methotrexate. Her symptoms improved dramatically by 3 weeks.
RELAPSING POLYCHONDRITIS
Relapsing polychondritis is a rare, chronic, and potentially multisystem disorder characterized by recurrent episodes of cartilaginous inflammation that often lead to progressive destruction of the cartilage.2,3
Auricular chondritis is the initial presentation in 43% of cases and eventually develops in 89% of patients.2,4 The earlobes are spared, as they are devoid of cartilage, and this feature helps to differentiate the condition from an infection.
If the condition is not treated, recurrent attacks can result in irreversible cartilage damage and drooping of the pinna (ie, “cauliflower ear”). Biopsy is usually avoided, as it may further damage the ear. The diagnostic criteria for relapsing polychondritis formulated by McAdam et al1 accommodate the different presentations in order to limit the need for biopsy. Systemic involvement may include external eye structures, vasculitis affecting the eighth cranial (vestibulocochlear) nerve, noninflammatory large-joint arthritis, and the trachea. There is also an association with myelodysplasia.
- McAdam LP, O’Hanlan MA, Bluestone R, Pearson CM. Relapsing polychondritis: prospective study of 23 patients and a review of the literature. Medicine (Baltimore) 1976; 55:193–215.
- Mathew SD, Battafarano DF, Morris MJ. Relapsing polychondritis in the Department of Defense population and review of the literature. Semin Arthritis Rheum 2012; 42:70–83.
- Letko E, Zafirakis P, Baltatzis S, Voudouri A, Livir-Rallatos C, Foster CS. Relapsing polychondritis: a clinical review. Semin Arthritis Rheum 2002; 31:384–395.
- Kent PD, Michet CJ, Luthra HS. Relapsing polychondritis. Curr Opin Rheumatol 2004; 16:56–61.
A 52-year-old woman presented with pain in both ears associated with redness and swelling. The symptoms appeared 3 weeks earlier. The pain had started on one side, then spread to the other over a period of 2 weeks. She denied fever, chills, rigor, rash, or upper respiratory symptoms. She had experienced similar but unilateral ear pain months before. Her medical history included bilateral knee pain and swelling (treated as osteoarthritis), hypertension, hyperlipidemia, and hypothyroidism. She also reported progressive bilateral hearing loss, for which she now uses hearing aids. She had no history of conjunctivitis or uveitis.
Physical examination showed swelling and erythema of both ears, sparing the earlobes (Figure 1), as well as bilateral knee-joint tenderness and restricted joint movement. The erythrocyte sedimentation rate was elevated at 52 mm/h (reference range 0–20); the complete blood cell count, creatinine, and liver enzyme levels were normal. An autoimmune panel was negative for antinuclear antibody, antineutrophil cytoplasmic antibody, and rheumatoid factor.
A clinical diagnosis of relapsing polychondritis was made based on the McAdam criteria.1 The patient was initially started on steroids and then was maintained on methotrexate. Her symptoms improved dramatically by 3 weeks.
RELAPSING POLYCHONDRITIS
Relapsing polychondritis is a rare, chronic, and potentially multisystem disorder characterized by recurrent episodes of cartilaginous inflammation that often lead to progressive destruction of the cartilage.2,3
Auricular chondritis is the initial presentation in 43% of cases and eventually develops in 89% of patients.2,4 The earlobes are spared, as they are devoid of cartilage, and this feature helps to differentiate the condition from an infection.
If the condition is not treated, recurrent attacks can result in irreversible cartilage damage and drooping of the pinna (ie, “cauliflower ear”). Biopsy is usually avoided, as it may further damage the ear. The diagnostic criteria for relapsing polychondritis formulated by McAdam et al1 accommodate the different presentations in order to limit the need for biopsy. Systemic involvement may include external eye structures, vasculitis affecting the eighth cranial (vestibulocochlear) nerve, noninflammatory large-joint arthritis, and the trachea. There is also an association with myelodysplasia.
A 52-year-old woman presented with pain in both ears associated with redness and swelling. The symptoms appeared 3 weeks earlier. The pain had started on one side, then spread to the other over a period of 2 weeks. She denied fever, chills, rigor, rash, or upper respiratory symptoms. She had experienced similar but unilateral ear pain months before. Her medical history included bilateral knee pain and swelling (treated as osteoarthritis), hypertension, hyperlipidemia, and hypothyroidism. She also reported progressive bilateral hearing loss, for which she now uses hearing aids. She had no history of conjunctivitis or uveitis.
Physical examination showed swelling and erythema of both ears, sparing the earlobes (Figure 1), as well as bilateral knee-joint tenderness and restricted joint movement. The erythrocyte sedimentation rate was elevated at 52 mm/h (reference range 0–20); the complete blood cell count, creatinine, and liver enzyme levels were normal. An autoimmune panel was negative for antinuclear antibody, antineutrophil cytoplasmic antibody, and rheumatoid factor.
A clinical diagnosis of relapsing polychondritis was made based on the McAdam criteria.1 The patient was initially started on steroids and then was maintained on methotrexate. Her symptoms improved dramatically by 3 weeks.
RELAPSING POLYCHONDRITIS
Relapsing polychondritis is a rare, chronic, and potentially multisystem disorder characterized by recurrent episodes of cartilaginous inflammation that often lead to progressive destruction of the cartilage.2,3
Auricular chondritis is the initial presentation in 43% of cases and eventually develops in 89% of patients.2,4 The earlobes are spared, as they are devoid of cartilage, and this feature helps to differentiate the condition from an infection.
If the condition is not treated, recurrent attacks can result in irreversible cartilage damage and drooping of the pinna (ie, “cauliflower ear”). Biopsy is usually avoided, as it may further damage the ear. The diagnostic criteria for relapsing polychondritis formulated by McAdam et al1 accommodate the different presentations in order to limit the need for biopsy. Systemic involvement may include external eye structures, vasculitis affecting the eighth cranial (vestibulocochlear) nerve, noninflammatory large-joint arthritis, and the trachea. There is also an association with myelodysplasia.
- McAdam LP, O’Hanlan MA, Bluestone R, Pearson CM. Relapsing polychondritis: prospective study of 23 patients and a review of the literature. Medicine (Baltimore) 1976; 55:193–215.
- Mathew SD, Battafarano DF, Morris MJ. Relapsing polychondritis in the Department of Defense population and review of the literature. Semin Arthritis Rheum 2012; 42:70–83.
- Letko E, Zafirakis P, Baltatzis S, Voudouri A, Livir-Rallatos C, Foster CS. Relapsing polychondritis: a clinical review. Semin Arthritis Rheum 2002; 31:384–395.
- Kent PD, Michet CJ, Luthra HS. Relapsing polychondritis. Curr Opin Rheumatol 2004; 16:56–61.
- McAdam LP, O’Hanlan MA, Bluestone R, Pearson CM. Relapsing polychondritis: prospective study of 23 patients and a review of the literature. Medicine (Baltimore) 1976; 55:193–215.
- Mathew SD, Battafarano DF, Morris MJ. Relapsing polychondritis in the Department of Defense population and review of the literature. Semin Arthritis Rheum 2012; 42:70–83.
- Letko E, Zafirakis P, Baltatzis S, Voudouri A, Livir-Rallatos C, Foster CS. Relapsing polychondritis: a clinical review. Semin Arthritis Rheum 2002; 31:384–395.
- Kent PD, Michet CJ, Luthra HS. Relapsing polychondritis. Curr Opin Rheumatol 2004; 16:56–61.
Screening guidelines: A matter of perspective
Medical screening consists of trying to detect an occult disease at a point in its course—earlier than if diagnosed by clinical manifestations—when treatment offers a meaningful benefit to the patient. If the cost is acceptable, one would think that most care providers and patients would embrace the concept. So why are there such heated controversies surrounding screening for breast, prostate, and lung cancer?
The answer to that question is interpretive and philosophical and depends in part on the frame of reference. Are we looking at screening from the perspective of the health care system or from the perspective of the individual patient who is contemplating being screened?
The US Preventive Services Task Force (USPSTF), whose guidelines on screening are reviewed by Dr. Craig Nielsen in this issue of the Journal, went to great lengths to generate evidence-based guidelines based on rigorously conducted trials. They did not consider observational information or the emotional contextual biases of individual patients. Since their guidelines carry great weight, they have a big impact, sometimes including effects on insurance reimbursement for certain screening tests.
As with all “evidence-based” decisions, when applying guidelines or trial data in the clinic, we weigh the effect of our recommendations on individual patients, not on populations. Is a test worthwhile if it offers a 1 in 250 (or fill in your own number) chance of prolonging a specific patient’s life but is expensive and uncomfortable and poses the possible stress of a false-positive result that will warrant more testing? Which is actually more stressful: undergoing additional testing (with expense and discomfort) or not knowing whether you have a potentially lethal tumor? What is a reasonable cost to the patient and to a financially failing health system in attempting to delay the end of life to some time in the future when the patient may well be frail and perhaps even incapacitated?
People may differ in how they answer these questions, some of which may not even be answerable. The USPSTF guidelines, I believe, offer solid scaffolding for informed discussion. But we and our patients should use the offered evidence-based guidelines, and perhaps assume some costs, within a personalized context. Guidelines are only guidelines.
Medical screening consists of trying to detect an occult disease at a point in its course—earlier than if diagnosed by clinical manifestations—when treatment offers a meaningful benefit to the patient. If the cost is acceptable, one would think that most care providers and patients would embrace the concept. So why are there such heated controversies surrounding screening for breast, prostate, and lung cancer?
The answer to that question is interpretive and philosophical and depends in part on the frame of reference. Are we looking at screening from the perspective of the health care system or from the perspective of the individual patient who is contemplating being screened?
The US Preventive Services Task Force (USPSTF), whose guidelines on screening are reviewed by Dr. Craig Nielsen in this issue of the Journal, went to great lengths to generate evidence-based guidelines based on rigorously conducted trials. They did not consider observational information or the emotional contextual biases of individual patients. Since their guidelines carry great weight, they have a big impact, sometimes including effects on insurance reimbursement for certain screening tests.
As with all “evidence-based” decisions, when applying guidelines or trial data in the clinic, we weigh the effect of our recommendations on individual patients, not on populations. Is a test worthwhile if it offers a 1 in 250 (or fill in your own number) chance of prolonging a specific patient’s life but is expensive and uncomfortable and poses the possible stress of a false-positive result that will warrant more testing? Which is actually more stressful: undergoing additional testing (with expense and discomfort) or not knowing whether you have a potentially lethal tumor? What is a reasonable cost to the patient and to a financially failing health system in attempting to delay the end of life to some time in the future when the patient may well be frail and perhaps even incapacitated?
People may differ in how they answer these questions, some of which may not even be answerable. The USPSTF guidelines, I believe, offer solid scaffolding for informed discussion. But we and our patients should use the offered evidence-based guidelines, and perhaps assume some costs, within a personalized context. Guidelines are only guidelines.
Medical screening consists of trying to detect an occult disease at a point in its course—earlier than if diagnosed by clinical manifestations—when treatment offers a meaningful benefit to the patient. If the cost is acceptable, one would think that most care providers and patients would embrace the concept. So why are there such heated controversies surrounding screening for breast, prostate, and lung cancer?
The answer to that question is interpretive and philosophical and depends in part on the frame of reference. Are we looking at screening from the perspective of the health care system or from the perspective of the individual patient who is contemplating being screened?
The US Preventive Services Task Force (USPSTF), whose guidelines on screening are reviewed by Dr. Craig Nielsen in this issue of the Journal, went to great lengths to generate evidence-based guidelines based on rigorously conducted trials. They did not consider observational information or the emotional contextual biases of individual patients. Since their guidelines carry great weight, they have a big impact, sometimes including effects on insurance reimbursement for certain screening tests.
As with all “evidence-based” decisions, when applying guidelines or trial data in the clinic, we weigh the effect of our recommendations on individual patients, not on populations. Is a test worthwhile if it offers a 1 in 250 (or fill in your own number) chance of prolonging a specific patient’s life but is expensive and uncomfortable and poses the possible stress of a false-positive result that will warrant more testing? Which is actually more stressful: undergoing additional testing (with expense and discomfort) or not knowing whether you have a potentially lethal tumor? What is a reasonable cost to the patient and to a financially failing health system in attempting to delay the end of life to some time in the future when the patient may well be frail and perhaps even incapacitated?
People may differ in how they answer these questions, some of which may not even be answerable. The USPSTF guidelines, I believe, offer solid scaffolding for informed discussion. But we and our patients should use the offered evidence-based guidelines, and perhaps assume some costs, within a personalized context. Guidelines are only guidelines.
Six screening tests for adults: What’s recommended? What’s controversial?
A 68-year-old man with a history of hyperlipidemia is evaluated during a routine examination. He has a 25-pack-year cigarette smoking history but quit 12 years ago. He has no history of hypertension, diabetes mellitus, or stroke. A review of systems is unremarkable, and he has no family history of heart disease or cancer. He has noted no change in his bowel movements, and his most recent screening colonoscopy, done at age 60, was normal. His only current medication is lovastatin.
Physical examination reveals no abnormalities. His blood pressure is 130/82 mm Hg, and his body mass index is 24 kg/m2. His total cholesterol level is 213 mg/dL, and his high-density lipoprotein level is 48 mg/dL.
Which screening tests, if any, would be appropriate for this patient?
The advent in recent years of several new screening tests, along with changing and conflicting screening recommendations, has made it a challenge to manage this aspect of patient care. This article reviews six common screening tests and presents the current recommendations for their use (Table 1).
SCREENING CAN HARM
Screening is used to detect a disease in people who have no signs or symptoms of that disease; if signs or symptoms are present, diagnostic testing is indicated instead. Ideally, screening allows for early treatment to reduce the risk of illness and death associated with a disease.
Problems with screening relate to lead-time bias (detection of disease earlier in its course without actually affecting survival time), length-time bias (detection of indolent and benign cancers rather than aggressive ones), and overdiagnosis (detection of abnormalities that would not cause a problem in the patient’s lifetime, causing unnecessary concern, cost, or treatment).
The leading advisory groups on screening are the US Preventive Services Task Force (USPSTF),1 which is stringently evidence-based in its recommendations, and subspecialty societies, which often rely on expert opinion.2,3
ULTRASONOGRAPHY FOR ABDOMINAL AORTIC ANEURYSM
In 2005, the USPSTF gave a grade-B recommendation (recommended; benefit outweighs harm) for one-time ultrasonographic screening for abdominal aortic aneurysm in men ages 65 to 75 who have ever smoked at least 100 cigarettes over a lifetime. For men in the same age range who have never smoked, they gave a grade-C recommendation (no recommendation; small net benefit). The USPSTF updated its recommendation in 2014. For women ages 65 to 75 who smoke, the USPSTF thinks the evidence is insufficient to recommend for or against screening (grade-I recommendation).
Our patient described above—male, age 68, and with a 25 pack-year smoking history—is a candidate for screening for abdominal aortic aneurysm.
CT SCREENING FOR LUNG CANCER
In December 2013, the USPSTF gave a B-grade recommendation for annual screening for lung cancer with low-dose computed tomography (CT) for adults ages 55 to 80 who have a 30-pack-year smoking history and currently smoke or have quit within the past 15 years. Screening should be discontinued once a person has not smoked for 15 years or develops a health problem that limits life expectancy or the ability to undergo curative lung surgery.
These recommendations were based on the outcomes of the National Lung Screening Trial.4 However, whereas this trial was in people ages 55 to 74, the USPSTF boosted the upper age limit to 80 based on computer modeling, a decision that was somewhat controversial.
Patz et al5 analyzed data from the National Lung Screening Trial and found that about 18% of lung cancers detected by low-dose CT appeared to be indolent and were unlikely to become clinically apparent during the patient’s lifetime. The authors concluded that overdiagnosis should be considered when guidelines for mass screening programs are developed.
Our 68-year-old patient would not qualify for CT screening for lung cancer, since his smoking history is less than 30 pack-years.
COLORECTAL CANCER SCREENING AND PREVENTION
Unlike other cancer screening tests, colorectal cancer screening can also be a preventive measure; removing polyps found during screening with colonoscopy or sigmoidoscopy is an effective strategy in preventing colon cancer.
The USPSTF last updated its colorectal screening recommendations in 2008, giving a grade-A recommendation (strongly recommended; benefit far outweighs harm) to screening using fecal occult blood testing, sigmoidoscopy, or colonoscopy for adults ages 50 to 75. The risks and benefits of these screening methods vary. For adults ages 76 to 85, the task force recommends against routine screening but gives a grade-C recommendation for screening in that age group in some circumstances. They give a grade-D recommendation for screening after age 85.
The USPSTF concluded that the evidence is insufficient to assess the benefits and harms of CT colonography and fecal DNA testing for colorectal cancer screening.
The American Cancer Society issued similar guidelines in 2013, recommending that starting at age 50, men and women at low risk of colorectal cancer should be screened using one of the following schedules (the first four methods help detect both polyps and cancers, and the others detect only cancer)6:
- Colonoscopy every 10 years
- Flexible sigmoidoscopy every 5 years
- A double-contrast barium enema every 5 years
- CT colonography (“virtual colonoscopy”) every 5 years
- A guaiac-based fecal occult blood test annually
- A fecal immunochemical test annually.
Those at moderate or high risk of colorectal cancer are advised to talk with a doctor about a different testing schedule. (eg, colonoscopy every 5 years in patients with a significant family history of colon cancer).
Our patient last underwent colonoscopy 8 years ago and so does not need to be screened again for another 2 years.
CERVICAL CANCER SCREENING: MOVING TOWARD HPV TESTING FIRST?
Cervical cancer screening recommendations are fairly uniform across the major guideline-setting organizations.7 In general, they are:
- Ages 21–29: Check cytology every 3 years
- Ages 30–65: Cytology plus human papillomavirus (HPV) testing every 5 years (or cytology alone every 3 years)
- After age 65: Stop screening if prior screenings have been adequate and negative over the past 20 years.
Women who have been vaccinated against HPV have the same screening recommendations as above. Women who have had a hysterectomy for benign reasons do not need further screening.
The future of cervical cancer screening may be “reflex testing.” Rather than checking cervical samples for cytologic study (Papanicolaou smear) and HPV status together, we may one day screen samples first for HPV and, if that is positive, follow up with cytologic study. Easy-to-use home tests for HPV will likely be developed and should increase screening rates.
PROSTATE CANCER SCREENING: A SHARED DECISION
Prostate cancer screening remains controversial. Different guideline-setting bodies have different recommendations, creating confusion for patients. Physicians must follow what fits their own practice and beliefs.
The USPSTF in 2012 gave a grade-D recommendation to prostate-specific antigen (PSA) testing to screen for prostate cancer, stating that it did more harm than good. However, some men continue to be screened for PSA.
The American Cancer Society in 2013 recommended against routine testing for prostate cancer without a full discussion between physician and patient of the pros and cons of testing.8 If screening is decided upon, it should be done with annual PSA measurement or digital rectal examination, or both, starting at age 50. Men at high risk (ie, African American men, and men with a first-degree relative diagnosed with prostate cancer before age 65) should begin screening at age 45.
The American College of Physicians in 2013 issued a statement that clinicians should inform men between the ages of 50 and 69 about the limited potential benefits and substantial harms of prostate cancer screening.9 They recommended against PSA screening in men of average risk who are younger than age 50 or older than age 69, or those whose life expectancy is less than 10 to 15 years.
The American Urological Association in 2013 advised that10:
- PSA screening is not recommended in men younger than 40.
- Routine screening is not recommended in men between ages 40 and 54 at average risk.
- In men ages 55 to 69, decisions about PSA screening should be shared and based on each patient’s values and preferences. The decision to undergo PSA screening involves weighing the benefits of preventing death from prostate cancer in 1 man for every 1,000 men screened over a decade against the known potential harms associated with screening and treatment.
- To reduce the harm of screening, a routine interval of 2 years may be chosen over annual screening; such a schedule may preserve most benefits and reduce overdiagnosis and false-positive results.
- Routine PSA screening is not recommended in men ages 70 and older or with less than a 10- to 15-year life expectancy.
Shared decision-making. Many of the guidelines for prostate cancer screening are based on the concept of shared decision-making. However, studies indicate that many patients do not receive a full discussion of the issue,11 and in any event, patient education may make little difference in PSA testing rates.12,13
On the horizon for prostate cancer screening is the hope of finding a more predictable test. There is also discussion of using the PSA test earlier: some evidence shows that a very low result at age 45 predicts a less than 1% chance of developing metastatic prostate cancer by age 75, so it is possible that screening could stop in that population.
BREAST CANCER SCREENING: DIVERGENT RECOMMENDATIONS
The USPSTF created considerable controversy a few years ago when it recommended screening mammography from ages 50 to 74, and then only every 2 years—a departure from the traditional practice of starting screening at age 40. Few doctors heed the USPSTF guideline: most of the other guideline-setting organizations (eg, the American Cancer Society, the American Congress of Obstetricians and Gynecologists) recommend annual mammography for women starting at age 40.
Overdiagnosis is an especially pertinent issue with screening mammography for breast cancer because some cancers are indolent and will not cause a problem during a lifetime. Falk et al14 analyzed a Norwegian breast cancer screening program and found that overdiagnosis occurred in 10% to 20% of cases. Welch and Passow15 quantified the benefits and harms of screening mammography in 50-year-old women in the United States and found that of 1,000 women screened annually for a decade, 0.3 to 3.2 will avoid a breast cancer death, 490 to 670 will have at least one false alarm, and 3 to 14 will be overdiagnosed and treated needlessly.
Mammography screening for breast cancer will likely stay controversial for some time as we await additional data.
OTHER CANCERS: SCREENING NOT RECOMMENDED
The USPSTF currently does not recommend screening for ovarian cancer (guideline issued in 2012), pancreatic cancer (2004), or testicular cancer (2011), giving each a grade-D recommendation, indicating that screening does more harm than good. It also stated that there is insufficient evidence to recommend screening for oral cancer (2013), skin cancer (2009), and bladder cancer (2011).
- US Preventive Services Task Force. www.uspreventiveservicestask-force.org. Accessed August 11, 2014.
- Tricoci P, Allen JM, Kramer JM, Califf RM, Smith SC Jr. Scientific evidence underlying the ACC/AHA clinical practice guidelines. JAMA 2009; 301:831–841. Erratum in: JAMA 2009; 301:1544.
- Lee DH, Vielemeyer O. Analysis of overall level of evidence behind Infectious Diseases Society of America practice guidelines. Arch Intern Med 2011; 171:18–22.
- National Lung Screening Trial Research Team; Aberle DR, Adams AM, Berg CD, et al. Reduced lung-cancer mortality with low-dose computed tomographic screening. N Engl J Med 2011; 365:395–409.
- Patz EF, Pinsky P, Gatsonis C, et al; NLST Overdiagnosis Manuscript Writing Team. Overdiagnosis in low-dose computed tomography screening for lung cancer. JAMA Intern Med 2014; 174:269–274.
- American Cancer Society. Colorectal cancer screening and surveillance guidelines. www.cancer.org/healthy/informationforhealth-careprofessionals/colonmdclinicansinformationsource/colorec-talcancerscreeningandsurveillanceguidelines/index. Accessed August 11, 2014.
- Jin XW, Lipold L, McKenzie M, Sikon A. Cervical cancer screening: what’s new and what’s coming? Cleve Clin J Med 2013; 80:153–160.
- American Cancer Society. Prostate cancer screening guidelines. www.cancer.org/healthy/informationforhealthcareprofessionals/pros-tatemdcliniciansinformationsource/prostatecancerscreeningguide-lines/index. Accessed August 11, 2014.
- Qaseem A, Barry MJ, Denberg TD, Owens DK, Shekelle P; Clinical Guidelines Committee of the American College of Physicians. Screening for prostate cancer: a guidance statement from the Clinical Guidelines Committee of the American College of Physicians. Ann Intern Med 2013; 158:761–769.
- Carter HB, Albertsen PC, Barry MJ, et al. Early detection of prostate cancer: AUA guideline. www.auanet.org/common/pdf/education/clinical-guidance/Prostate-Cancer-Detection.pdf. Accessed September 5, 2014.
- Han PK, Kobrin S, Breen N, et al. National evidence on the use of shared decision making in prostate-specific antigen screening. Ann Fam Med 2013; 11:306–314.
- Taylor KL, Williams RM, Davis K, et al. Decision making in prostate cancer screening using decision aids vs usual care: a randomized clinical trial. JAMA Intern Med 2013; 173:1704–1712.
- Landrey AR, Matlock DD, Andrews L, Bronsert M, Denberg T. Shared decision making in prostate-specific antigen testing: the effect of a mailed patient flyer prior to an annual exam. J Prim Care Community Health 2013; 4:67–74.
- Falk RS, Hofvind S, Skaane P, Haldorsen T. Overdiagnosis among women attending a population-based mammography screening program. Int J Cancer 2013; 133:705–712.
- Welch HG, Passow HJ. Quantifying the benefits and harms of screening mammography. JAMA Intern Med 2014; 174:448–454.
A 68-year-old man with a history of hyperlipidemia is evaluated during a routine examination. He has a 25-pack-year cigarette smoking history but quit 12 years ago. He has no history of hypertension, diabetes mellitus, or stroke. A review of systems is unremarkable, and he has no family history of heart disease or cancer. He has noted no change in his bowel movements, and his most recent screening colonoscopy, done at age 60, was normal. His only current medication is lovastatin.
Physical examination reveals no abnormalities. His blood pressure is 130/82 mm Hg, and his body mass index is 24 kg/m2. His total cholesterol level is 213 mg/dL, and his high-density lipoprotein level is 48 mg/dL.
Which screening tests, if any, would be appropriate for this patient?
The advent in recent years of several new screening tests, along with changing and conflicting screening recommendations, has made it a challenge to manage this aspect of patient care. This article reviews six common screening tests and presents the current recommendations for their use (Table 1).
SCREENING CAN HARM
Screening is used to detect a disease in people who have no signs or symptoms of that disease; if signs or symptoms are present, diagnostic testing is indicated instead. Ideally, screening allows for early treatment to reduce the risk of illness and death associated with a disease.
Problems with screening relate to lead-time bias (detection of disease earlier in its course without actually affecting survival time), length-time bias (detection of indolent and benign cancers rather than aggressive ones), and overdiagnosis (detection of abnormalities that would not cause a problem in the patient’s lifetime, causing unnecessary concern, cost, or treatment).
The leading advisory groups on screening are the US Preventive Services Task Force (USPSTF),1 which is stringently evidence-based in its recommendations, and subspecialty societies, which often rely on expert opinion.2,3
ULTRASONOGRAPHY FOR ABDOMINAL AORTIC ANEURYSM
In 2005, the USPSTF gave a grade-B recommendation (recommended; benefit outweighs harm) for one-time ultrasonographic screening for abdominal aortic aneurysm in men ages 65 to 75 who have ever smoked at least 100 cigarettes over a lifetime. For men in the same age range who have never smoked, they gave a grade-C recommendation (no recommendation; small net benefit). The USPSTF updated its recommendation in 2014. For women ages 65 to 75 who smoke, the USPSTF thinks the evidence is insufficient to recommend for or against screening (grade-I recommendation).
Our patient described above—male, age 68, and with a 25 pack-year smoking history—is a candidate for screening for abdominal aortic aneurysm.
CT SCREENING FOR LUNG CANCER
In December 2013, the USPSTF gave a B-grade recommendation for annual screening for lung cancer with low-dose computed tomography (CT) for adults ages 55 to 80 who have a 30-pack-year smoking history and currently smoke or have quit within the past 15 years. Screening should be discontinued once a person has not smoked for 15 years or develops a health problem that limits life expectancy or the ability to undergo curative lung surgery.
These recommendations were based on the outcomes of the National Lung Screening Trial.4 However, whereas this trial was in people ages 55 to 74, the USPSTF boosted the upper age limit to 80 based on computer modeling, a decision that was somewhat controversial.
Patz et al5 analyzed data from the National Lung Screening Trial and found that about 18% of lung cancers detected by low-dose CT appeared to be indolent and were unlikely to become clinically apparent during the patient’s lifetime. The authors concluded that overdiagnosis should be considered when guidelines for mass screening programs are developed.
Our 68-year-old patient would not qualify for CT screening for lung cancer, since his smoking history is less than 30 pack-years.
COLORECTAL CANCER SCREENING AND PREVENTION
Unlike other cancer screening tests, colorectal cancer screening can also be a preventive measure; removing polyps found during screening with colonoscopy or sigmoidoscopy is an effective strategy in preventing colon cancer.
The USPSTF last updated its colorectal screening recommendations in 2008, giving a grade-A recommendation (strongly recommended; benefit far outweighs harm) to screening using fecal occult blood testing, sigmoidoscopy, or colonoscopy for adults ages 50 to 75. The risks and benefits of these screening methods vary. For adults ages 76 to 85, the task force recommends against routine screening but gives a grade-C recommendation for screening in that age group in some circumstances. They give a grade-D recommendation for screening after age 85.
The USPSTF concluded that the evidence is insufficient to assess the benefits and harms of CT colonography and fecal DNA testing for colorectal cancer screening.
The American Cancer Society issued similar guidelines in 2013, recommending that starting at age 50, men and women at low risk of colorectal cancer should be screened using one of the following schedules (the first four methods help detect both polyps and cancers, and the others detect only cancer)6:
- Colonoscopy every 10 years
- Flexible sigmoidoscopy every 5 years
- A double-contrast barium enema every 5 years
- CT colonography (“virtual colonoscopy”) every 5 years
- A guaiac-based fecal occult blood test annually
- A fecal immunochemical test annually.
Those at moderate or high risk of colorectal cancer are advised to talk with a doctor about a different testing schedule. (eg, colonoscopy every 5 years in patients with a significant family history of colon cancer).
Our patient last underwent colonoscopy 8 years ago and so does not need to be screened again for another 2 years.
CERVICAL CANCER SCREENING: MOVING TOWARD HPV TESTING FIRST?
Cervical cancer screening recommendations are fairly uniform across the major guideline-setting organizations.7 In general, they are:
- Ages 21–29: Check cytology every 3 years
- Ages 30–65: Cytology plus human papillomavirus (HPV) testing every 5 years (or cytology alone every 3 years)
- After age 65: Stop screening if prior screenings have been adequate and negative over the past 20 years.
Women who have been vaccinated against HPV have the same screening recommendations as above. Women who have had a hysterectomy for benign reasons do not need further screening.
The future of cervical cancer screening may be “reflex testing.” Rather than checking cervical samples for cytologic study (Papanicolaou smear) and HPV status together, we may one day screen samples first for HPV and, if that is positive, follow up with cytologic study. Easy-to-use home tests for HPV will likely be developed and should increase screening rates.
PROSTATE CANCER SCREENING: A SHARED DECISION
Prostate cancer screening remains controversial. Different guideline-setting bodies have different recommendations, creating confusion for patients. Physicians must follow what fits their own practice and beliefs.
The USPSTF in 2012 gave a grade-D recommendation to prostate-specific antigen (PSA) testing to screen for prostate cancer, stating that it did more harm than good. However, some men continue to be screened for PSA.
The American Cancer Society in 2013 recommended against routine testing for prostate cancer without a full discussion between physician and patient of the pros and cons of testing.8 If screening is decided upon, it should be done with annual PSA measurement or digital rectal examination, or both, starting at age 50. Men at high risk (ie, African American men, and men with a first-degree relative diagnosed with prostate cancer before age 65) should begin screening at age 45.
The American College of Physicians in 2013 issued a statement that clinicians should inform men between the ages of 50 and 69 about the limited potential benefits and substantial harms of prostate cancer screening.9 They recommended against PSA screening in men of average risk who are younger than age 50 or older than age 69, or those whose life expectancy is less than 10 to 15 years.
The American Urological Association in 2013 advised that10:
- PSA screening is not recommended in men younger than 40.
- Routine screening is not recommended in men between ages 40 and 54 at average risk.
- In men ages 55 to 69, decisions about PSA screening should be shared and based on each patient’s values and preferences. The decision to undergo PSA screening involves weighing the benefits of preventing death from prostate cancer in 1 man for every 1,000 men screened over a decade against the known potential harms associated with screening and treatment.
- To reduce the harm of screening, a routine interval of 2 years may be chosen over annual screening; such a schedule may preserve most benefits and reduce overdiagnosis and false-positive results.
- Routine PSA screening is not recommended in men ages 70 and older or with less than a 10- to 15-year life expectancy.
Shared decision-making. Many of the guidelines for prostate cancer screening are based on the concept of shared decision-making. However, studies indicate that many patients do not receive a full discussion of the issue,11 and in any event, patient education may make little difference in PSA testing rates.12,13
On the horizon for prostate cancer screening is the hope of finding a more predictable test. There is also discussion of using the PSA test earlier: some evidence shows that a very low result at age 45 predicts a less than 1% chance of developing metastatic prostate cancer by age 75, so it is possible that screening could stop in that population.
BREAST CANCER SCREENING: DIVERGENT RECOMMENDATIONS
The USPSTF created considerable controversy a few years ago when it recommended screening mammography from ages 50 to 74, and then only every 2 years—a departure from the traditional practice of starting screening at age 40. Few doctors heed the USPSTF guideline: most of the other guideline-setting organizations (eg, the American Cancer Society, the American Congress of Obstetricians and Gynecologists) recommend annual mammography for women starting at age 40.
Overdiagnosis is an especially pertinent issue with screening mammography for breast cancer because some cancers are indolent and will not cause a problem during a lifetime. Falk et al14 analyzed a Norwegian breast cancer screening program and found that overdiagnosis occurred in 10% to 20% of cases. Welch and Passow15 quantified the benefits and harms of screening mammography in 50-year-old women in the United States and found that of 1,000 women screened annually for a decade, 0.3 to 3.2 will avoid a breast cancer death, 490 to 670 will have at least one false alarm, and 3 to 14 will be overdiagnosed and treated needlessly.
Mammography screening for breast cancer will likely stay controversial for some time as we await additional data.
OTHER CANCERS: SCREENING NOT RECOMMENDED
The USPSTF currently does not recommend screening for ovarian cancer (guideline issued in 2012), pancreatic cancer (2004), or testicular cancer (2011), giving each a grade-D recommendation, indicating that screening does more harm than good. It also stated that there is insufficient evidence to recommend screening for oral cancer (2013), skin cancer (2009), and bladder cancer (2011).
A 68-year-old man with a history of hyperlipidemia is evaluated during a routine examination. He has a 25-pack-year cigarette smoking history but quit 12 years ago. He has no history of hypertension, diabetes mellitus, or stroke. A review of systems is unremarkable, and he has no family history of heart disease or cancer. He has noted no change in his bowel movements, and his most recent screening colonoscopy, done at age 60, was normal. His only current medication is lovastatin.
Physical examination reveals no abnormalities. His blood pressure is 130/82 mm Hg, and his body mass index is 24 kg/m2. His total cholesterol level is 213 mg/dL, and his high-density lipoprotein level is 48 mg/dL.
Which screening tests, if any, would be appropriate for this patient?
The advent in recent years of several new screening tests, along with changing and conflicting screening recommendations, has made it a challenge to manage this aspect of patient care. This article reviews six common screening tests and presents the current recommendations for their use (Table 1).
SCREENING CAN HARM
Screening is used to detect a disease in people who have no signs or symptoms of that disease; if signs or symptoms are present, diagnostic testing is indicated instead. Ideally, screening allows for early treatment to reduce the risk of illness and death associated with a disease.
Problems with screening relate to lead-time bias (detection of disease earlier in its course without actually affecting survival time), length-time bias (detection of indolent and benign cancers rather than aggressive ones), and overdiagnosis (detection of abnormalities that would not cause a problem in the patient’s lifetime, causing unnecessary concern, cost, or treatment).
The leading advisory groups on screening are the US Preventive Services Task Force (USPSTF),1 which is stringently evidence-based in its recommendations, and subspecialty societies, which often rely on expert opinion.2,3
ULTRASONOGRAPHY FOR ABDOMINAL AORTIC ANEURYSM
In 2005, the USPSTF gave a grade-B recommendation (recommended; benefit outweighs harm) for one-time ultrasonographic screening for abdominal aortic aneurysm in men ages 65 to 75 who have ever smoked at least 100 cigarettes over a lifetime. For men in the same age range who have never smoked, they gave a grade-C recommendation (no recommendation; small net benefit). The USPSTF updated its recommendation in 2014. For women ages 65 to 75 who smoke, the USPSTF thinks the evidence is insufficient to recommend for or against screening (grade-I recommendation).
Our patient described above—male, age 68, and with a 25 pack-year smoking history—is a candidate for screening for abdominal aortic aneurysm.
CT SCREENING FOR LUNG CANCER
In December 2013, the USPSTF gave a B-grade recommendation for annual screening for lung cancer with low-dose computed tomography (CT) for adults ages 55 to 80 who have a 30-pack-year smoking history and currently smoke or have quit within the past 15 years. Screening should be discontinued once a person has not smoked for 15 years or develops a health problem that limits life expectancy or the ability to undergo curative lung surgery.
These recommendations were based on the outcomes of the National Lung Screening Trial.4 However, whereas this trial was in people ages 55 to 74, the USPSTF boosted the upper age limit to 80 based on computer modeling, a decision that was somewhat controversial.
Patz et al5 analyzed data from the National Lung Screening Trial and found that about 18% of lung cancers detected by low-dose CT appeared to be indolent and were unlikely to become clinically apparent during the patient’s lifetime. The authors concluded that overdiagnosis should be considered when guidelines for mass screening programs are developed.
Our 68-year-old patient would not qualify for CT screening for lung cancer, since his smoking history is less than 30 pack-years.
COLORECTAL CANCER SCREENING AND PREVENTION
Unlike other cancer screening tests, colorectal cancer screening can also be a preventive measure; removing polyps found during screening with colonoscopy or sigmoidoscopy is an effective strategy in preventing colon cancer.
The USPSTF last updated its colorectal screening recommendations in 2008, giving a grade-A recommendation (strongly recommended; benefit far outweighs harm) to screening using fecal occult blood testing, sigmoidoscopy, or colonoscopy for adults ages 50 to 75. The risks and benefits of these screening methods vary. For adults ages 76 to 85, the task force recommends against routine screening but gives a grade-C recommendation for screening in that age group in some circumstances. They give a grade-D recommendation for screening after age 85.
The USPSTF concluded that the evidence is insufficient to assess the benefits and harms of CT colonography and fecal DNA testing for colorectal cancer screening.
The American Cancer Society issued similar guidelines in 2013, recommending that starting at age 50, men and women at low risk of colorectal cancer should be screened using one of the following schedules (the first four methods help detect both polyps and cancers, and the others detect only cancer)6:
- Colonoscopy every 10 years
- Flexible sigmoidoscopy every 5 years
- A double-contrast barium enema every 5 years
- CT colonography (“virtual colonoscopy”) every 5 years
- A guaiac-based fecal occult blood test annually
- A fecal immunochemical test annually.
Those at moderate or high risk of colorectal cancer are advised to talk with a doctor about a different testing schedule. (eg, colonoscopy every 5 years in patients with a significant family history of colon cancer).
Our patient last underwent colonoscopy 8 years ago and so does not need to be screened again for another 2 years.
CERVICAL CANCER SCREENING: MOVING TOWARD HPV TESTING FIRST?
Cervical cancer screening recommendations are fairly uniform across the major guideline-setting organizations.7 In general, they are:
- Ages 21–29: Check cytology every 3 years
- Ages 30–65: Cytology plus human papillomavirus (HPV) testing every 5 years (or cytology alone every 3 years)
- After age 65: Stop screening if prior screenings have been adequate and negative over the past 20 years.
Women who have been vaccinated against HPV have the same screening recommendations as above. Women who have had a hysterectomy for benign reasons do not need further screening.
The future of cervical cancer screening may be “reflex testing.” Rather than checking cervical samples for cytologic study (Papanicolaou smear) and HPV status together, we may one day screen samples first for HPV and, if that is positive, follow up with cytologic study. Easy-to-use home tests for HPV will likely be developed and should increase screening rates.
PROSTATE CANCER SCREENING: A SHARED DECISION
Prostate cancer screening remains controversial. Different guideline-setting bodies have different recommendations, creating confusion for patients. Physicians must follow what fits their own practice and beliefs.
The USPSTF in 2012 gave a grade-D recommendation to prostate-specific antigen (PSA) testing to screen for prostate cancer, stating that it did more harm than good. However, some men continue to be screened for PSA.
The American Cancer Society in 2013 recommended against routine testing for prostate cancer without a full discussion between physician and patient of the pros and cons of testing.8 If screening is decided upon, it should be done with annual PSA measurement or digital rectal examination, or both, starting at age 50. Men at high risk (ie, African American men, and men with a first-degree relative diagnosed with prostate cancer before age 65) should begin screening at age 45.
The American College of Physicians in 2013 issued a statement that clinicians should inform men between the ages of 50 and 69 about the limited potential benefits and substantial harms of prostate cancer screening.9 They recommended against PSA screening in men of average risk who are younger than age 50 or older than age 69, or those whose life expectancy is less than 10 to 15 years.
The American Urological Association in 2013 advised that10:
- PSA screening is not recommended in men younger than 40.
- Routine screening is not recommended in men between ages 40 and 54 at average risk.
- In men ages 55 to 69, decisions about PSA screening should be shared and based on each patient’s values and preferences. The decision to undergo PSA screening involves weighing the benefits of preventing death from prostate cancer in 1 man for every 1,000 men screened over a decade against the known potential harms associated with screening and treatment.
- To reduce the harm of screening, a routine interval of 2 years may be chosen over annual screening; such a schedule may preserve most benefits and reduce overdiagnosis and false-positive results.
- Routine PSA screening is not recommended in men ages 70 and older or with less than a 10- to 15-year life expectancy.
Shared decision-making. Many of the guidelines for prostate cancer screening are based on the concept of shared decision-making. However, studies indicate that many patients do not receive a full discussion of the issue,11 and in any event, patient education may make little difference in PSA testing rates.12,13
On the horizon for prostate cancer screening is the hope of finding a more predictable test. There is also discussion of using the PSA test earlier: some evidence shows that a very low result at age 45 predicts a less than 1% chance of developing metastatic prostate cancer by age 75, so it is possible that screening could stop in that population.
BREAST CANCER SCREENING: DIVERGENT RECOMMENDATIONS
The USPSTF created considerable controversy a few years ago when it recommended screening mammography from ages 50 to 74, and then only every 2 years—a departure from the traditional practice of starting screening at age 40. Few doctors heed the USPSTF guideline: most of the other guideline-setting organizations (eg, the American Cancer Society, the American Congress of Obstetricians and Gynecologists) recommend annual mammography for women starting at age 40.
Overdiagnosis is an especially pertinent issue with screening mammography for breast cancer because some cancers are indolent and will not cause a problem during a lifetime. Falk et al14 analyzed a Norwegian breast cancer screening program and found that overdiagnosis occurred in 10% to 20% of cases. Welch and Passow15 quantified the benefits and harms of screening mammography in 50-year-old women in the United States and found that of 1,000 women screened annually for a decade, 0.3 to 3.2 will avoid a breast cancer death, 490 to 670 will have at least one false alarm, and 3 to 14 will be overdiagnosed and treated needlessly.
Mammography screening for breast cancer will likely stay controversial for some time as we await additional data.
OTHER CANCERS: SCREENING NOT RECOMMENDED
The USPSTF currently does not recommend screening for ovarian cancer (guideline issued in 2012), pancreatic cancer (2004), or testicular cancer (2011), giving each a grade-D recommendation, indicating that screening does more harm than good. It also stated that there is insufficient evidence to recommend screening for oral cancer (2013), skin cancer (2009), and bladder cancer (2011).
- US Preventive Services Task Force. www.uspreventiveservicestask-force.org. Accessed August 11, 2014.
- Tricoci P, Allen JM, Kramer JM, Califf RM, Smith SC Jr. Scientific evidence underlying the ACC/AHA clinical practice guidelines. JAMA 2009; 301:831–841. Erratum in: JAMA 2009; 301:1544.
- Lee DH, Vielemeyer O. Analysis of overall level of evidence behind Infectious Diseases Society of America practice guidelines. Arch Intern Med 2011; 171:18–22.
- National Lung Screening Trial Research Team; Aberle DR, Adams AM, Berg CD, et al. Reduced lung-cancer mortality with low-dose computed tomographic screening. N Engl J Med 2011; 365:395–409.
- Patz EF, Pinsky P, Gatsonis C, et al; NLST Overdiagnosis Manuscript Writing Team. Overdiagnosis in low-dose computed tomography screening for lung cancer. JAMA Intern Med 2014; 174:269–274.
- American Cancer Society. Colorectal cancer screening and surveillance guidelines. www.cancer.org/healthy/informationforhealth-careprofessionals/colonmdclinicansinformationsource/colorec-talcancerscreeningandsurveillanceguidelines/index. Accessed August 11, 2014.
- Jin XW, Lipold L, McKenzie M, Sikon A. Cervical cancer screening: what’s new and what’s coming? Cleve Clin J Med 2013; 80:153–160.
- American Cancer Society. Prostate cancer screening guidelines. www.cancer.org/healthy/informationforhealthcareprofessionals/pros-tatemdcliniciansinformationsource/prostatecancerscreeningguide-lines/index. Accessed August 11, 2014.
- Qaseem A, Barry MJ, Denberg TD, Owens DK, Shekelle P; Clinical Guidelines Committee of the American College of Physicians. Screening for prostate cancer: a guidance statement from the Clinical Guidelines Committee of the American College of Physicians. Ann Intern Med 2013; 158:761–769.
- Carter HB, Albertsen PC, Barry MJ, et al. Early detection of prostate cancer: AUA guideline. www.auanet.org/common/pdf/education/clinical-guidance/Prostate-Cancer-Detection.pdf. Accessed September 5, 2014.
- Han PK, Kobrin S, Breen N, et al. National evidence on the use of shared decision making in prostate-specific antigen screening. Ann Fam Med 2013; 11:306–314.
- Taylor KL, Williams RM, Davis K, et al. Decision making in prostate cancer screening using decision aids vs usual care: a randomized clinical trial. JAMA Intern Med 2013; 173:1704–1712.
- Landrey AR, Matlock DD, Andrews L, Bronsert M, Denberg T. Shared decision making in prostate-specific antigen testing: the effect of a mailed patient flyer prior to an annual exam. J Prim Care Community Health 2013; 4:67–74.
- Falk RS, Hofvind S, Skaane P, Haldorsen T. Overdiagnosis among women attending a population-based mammography screening program. Int J Cancer 2013; 133:705–712.
- Welch HG, Passow HJ. Quantifying the benefits and harms of screening mammography. JAMA Intern Med 2014; 174:448–454.
- US Preventive Services Task Force. www.uspreventiveservicestask-force.org. Accessed August 11, 2014.
- Tricoci P, Allen JM, Kramer JM, Califf RM, Smith SC Jr. Scientific evidence underlying the ACC/AHA clinical practice guidelines. JAMA 2009; 301:831–841. Erratum in: JAMA 2009; 301:1544.
- Lee DH, Vielemeyer O. Analysis of overall level of evidence behind Infectious Diseases Society of America practice guidelines. Arch Intern Med 2011; 171:18–22.
- National Lung Screening Trial Research Team; Aberle DR, Adams AM, Berg CD, et al. Reduced lung-cancer mortality with low-dose computed tomographic screening. N Engl J Med 2011; 365:395–409.
- Patz EF, Pinsky P, Gatsonis C, et al; NLST Overdiagnosis Manuscript Writing Team. Overdiagnosis in low-dose computed tomography screening for lung cancer. JAMA Intern Med 2014; 174:269–274.
- American Cancer Society. Colorectal cancer screening and surveillance guidelines. www.cancer.org/healthy/informationforhealth-careprofessionals/colonmdclinicansinformationsource/colorec-talcancerscreeningandsurveillanceguidelines/index. Accessed August 11, 2014.
- Jin XW, Lipold L, McKenzie M, Sikon A. Cervical cancer screening: what’s new and what’s coming? Cleve Clin J Med 2013; 80:153–160.
- American Cancer Society. Prostate cancer screening guidelines. www.cancer.org/healthy/informationforhealthcareprofessionals/pros-tatemdcliniciansinformationsource/prostatecancerscreeningguide-lines/index. Accessed August 11, 2014.
- Qaseem A, Barry MJ, Denberg TD, Owens DK, Shekelle P; Clinical Guidelines Committee of the American College of Physicians. Screening for prostate cancer: a guidance statement from the Clinical Guidelines Committee of the American College of Physicians. Ann Intern Med 2013; 158:761–769.
- Carter HB, Albertsen PC, Barry MJ, et al. Early detection of prostate cancer: AUA guideline. www.auanet.org/common/pdf/education/clinical-guidance/Prostate-Cancer-Detection.pdf. Accessed September 5, 2014.
- Han PK, Kobrin S, Breen N, et al. National evidence on the use of shared decision making in prostate-specific antigen screening. Ann Fam Med 2013; 11:306–314.
- Taylor KL, Williams RM, Davis K, et al. Decision making in prostate cancer screening using decision aids vs usual care: a randomized clinical trial. JAMA Intern Med 2013; 173:1704–1712.
- Landrey AR, Matlock DD, Andrews L, Bronsert M, Denberg T. Shared decision making in prostate-specific antigen testing: the effect of a mailed patient flyer prior to an annual exam. J Prim Care Community Health 2013; 4:67–74.
- Falk RS, Hofvind S, Skaane P, Haldorsen T. Overdiagnosis among women attending a population-based mammography screening program. Int J Cancer 2013; 133:705–712.
- Welch HG, Passow HJ. Quantifying the benefits and harms of screening mammography. JAMA Intern Med 2014; 174:448–454.
KEY POINTS
- The USPSTF has stringent standards of evidence and therefore its recommendations tend to be more conservative than those of other organizations that issue guidelines. Recommendations are available at www.uspreventiveservicestaskforce.org.
- Because screening can result in harm as well as benefit, screening should be done after shared decision-making with the patient, especially if the screening is controversial, as is the case with mammography for breast cancer and prostate-specific antigen testing for prostate cancer.
- Screening for lung cancer using low-dose computed tomography is recommended yearly beginning at age 55 for people who have at least a 30-pack-year smoking history.
- In women over age 30, cervical cancer screening with Papanicolaou (Pap) and human papillomavirus (HPV) testing is now recommended every 5 years rather than every 3 years. Testing for HPV infection may soon become the first-line screening test, with Pap testing reserved for patients who have a positive HPV result.
- Although the USPSTF no longer recommends mammography for women ages 40 to 49, other organizations continue to do so.
Imaging Studies Reveal Effects of Concussion in Ice Hockey Players
PHILADELPHIA—Head trauma among ice hockey players may produce abnormalities in brain function, as assessed by neuropsychologic testing, diffusion tensor imaging, quantitative EEG, and postmortem studies, according to research reported at the 66th Annual Meeting of the American Academy of Neurology (AAN).
“The relationship between these measures in the short term and midterm and postmortem findings of chronic traumatic encephalopathy (CTE) is still unclear,” stated Ozan Toy, a medical student at the Commonwealth Medical College in Scranton, Pennsylvania, and colleagues.
Head Impact Injuries in Hockey
The researchers conducted a literature review regarding the effect of concussions in male ice hockey players. In addition, a Google search was performed to obtain information regarding professional hockey players who have been diagnosed with CTE.
In one of the studies reviewed, Gaetz and colleagues reported that electrophysiologic evidence from a cohort of junior hockey players showed that multiple concussions can lead to long-term neurologic symptoms, including headache, decreased memory, and decreased thinking speed, which correlate with electrophysiologic deficits related to attention, working memory, and mental processing. The study authors concluded that multiple concussions in hockey players can lead to neurologic deficits that can linger for at least six months postconcussion.
In 2012, Koerte et al found that diffusion tensor imaging revealed changes in white matter diffusivity in 17 male ice hockey players (ages 20 to 26) throughout the course of one season. Also in 2012, Bazarian and colleagues found that two high school ice hockey players who had multiple subconcussive head blows had significant changes in a percentage of their white matter that was more than three times higher than in controls.
Furthermore, in 2013 McKee and colleagues found that in eight subjects who were examined postmortem for CTE and who had a history of playing amateur and professional ice hockey, five had a presence of CTE on examination. Of the five players who underwent neuropathologic analysis, four showed signs of CTE. Three of the former National Hockey League players had stage II CTE, and one had stage III CTE and Lewy body disease; one of the four was nonsymptomatic at the time of death.
CNS Injuries in Ice Hockey
In a related study presented at the AAN Meeting, Mr. Toy and colleagues found that concussion (0.2 to 6.6 per 1,000 player hours) and spinal cord injury (five per 1,000 player hours) were the most common CNS injuries among ice hockey players.
Other reported injuries were second impact syndrome, subarachnoid hemorrhage, subdural hematoma, epidural hematoma, spinal cord concussion, and vertebral hemorrhage.
“Although numerous measures have been taken to decrease the incidence of CNS injuries in ice hockey, it has been difficult to measure the impact of those changes,” stated Mr. Toy. “Nonetheless, knowledge of the potential for CNS injuries and the mechanisms of those injuries helps inform the athletes and trainers to make more informed decisions regarding play.”
—Colby Stong
Suggested Reading
Bazarian JJ, Zhu T, Blyth B, et al. Subject-specific changes in brain white matter on diffusion tensor imaging after sports-related concussion. Magn Reson Imaging. 2012;30(2):171-180.
Gaetz M, Goodman D, Weinberg H. Electrophysiological evidence for the cumulative effects of concussion. Brain Inj. 2000;14(12):1077-1088.
Koerte IK, Kaufmann D, Hartl E, et al. A prospective study of physician-observed concussion during a varsity university hockey season: white matter integrity in ice hockey players. Part 3 of 4. Neurosurg Focus. 2012;33(6):E3:1-7.
McKee AC, Stern RA, Nowinski CJ, et al. The spectrum of disease in chronic traumatic encephalopathy. Brain. 2013;136(pt 1):43-64.
PHILADELPHIA—Head trauma among ice hockey players may produce abnormalities in brain function, as assessed by neuropsychologic testing, diffusion tensor imaging, quantitative EEG, and postmortem studies, according to research reported at the 66th Annual Meeting of the American Academy of Neurology (AAN).
“The relationship between these measures in the short term and midterm and postmortem findings of chronic traumatic encephalopathy (CTE) is still unclear,” stated Ozan Toy, a medical student at the Commonwealth Medical College in Scranton, Pennsylvania, and colleagues.
Head Impact Injuries in Hockey
The researchers conducted a literature review regarding the effect of concussions in male ice hockey players. In addition, a Google search was performed to obtain information regarding professional hockey players who have been diagnosed with CTE.
In one of the studies reviewed, Gaetz and colleagues reported that electrophysiologic evidence from a cohort of junior hockey players showed that multiple concussions can lead to long-term neurologic symptoms, including headache, decreased memory, and decreased thinking speed, which correlate with electrophysiologic deficits related to attention, working memory, and mental processing. The study authors concluded that multiple concussions in hockey players can lead to neurologic deficits that can linger for at least six months postconcussion.
In 2012, Koerte et al found that diffusion tensor imaging revealed changes in white matter diffusivity in 17 male ice hockey players (ages 20 to 26) throughout the course of one season. Also in 2012, Bazarian and colleagues found that two high school ice hockey players who had multiple subconcussive head blows had significant changes in a percentage of their white matter that was more than three times higher than in controls.
Furthermore, in 2013 McKee and colleagues found that in eight subjects who were examined postmortem for CTE and who had a history of playing amateur and professional ice hockey, five had a presence of CTE on examination. Of the five players who underwent neuropathologic analysis, four showed signs of CTE. Three of the former National Hockey League players had stage II CTE, and one had stage III CTE and Lewy body disease; one of the four was nonsymptomatic at the time of death.
CNS Injuries in Ice Hockey
In a related study presented at the AAN Meeting, Mr. Toy and colleagues found that concussion (0.2 to 6.6 per 1,000 player hours) and spinal cord injury (five per 1,000 player hours) were the most common CNS injuries among ice hockey players.
Other reported injuries were second impact syndrome, subarachnoid hemorrhage, subdural hematoma, epidural hematoma, spinal cord concussion, and vertebral hemorrhage.
“Although numerous measures have been taken to decrease the incidence of CNS injuries in ice hockey, it has been difficult to measure the impact of those changes,” stated Mr. Toy. “Nonetheless, knowledge of the potential for CNS injuries and the mechanisms of those injuries helps inform the athletes and trainers to make more informed decisions regarding play.”
—Colby Stong
PHILADELPHIA—Head trauma among ice hockey players may produce abnormalities in brain function, as assessed by neuropsychologic testing, diffusion tensor imaging, quantitative EEG, and postmortem studies, according to research reported at the 66th Annual Meeting of the American Academy of Neurology (AAN).
“The relationship between these measures in the short term and midterm and postmortem findings of chronic traumatic encephalopathy (CTE) is still unclear,” stated Ozan Toy, a medical student at the Commonwealth Medical College in Scranton, Pennsylvania, and colleagues.
Head Impact Injuries in Hockey
The researchers conducted a literature review regarding the effect of concussions in male ice hockey players. In addition, a Google search was performed to obtain information regarding professional hockey players who have been diagnosed with CTE.
In one of the studies reviewed, Gaetz and colleagues reported that electrophysiologic evidence from a cohort of junior hockey players showed that multiple concussions can lead to long-term neurologic symptoms, including headache, decreased memory, and decreased thinking speed, which correlate with electrophysiologic deficits related to attention, working memory, and mental processing. The study authors concluded that multiple concussions in hockey players can lead to neurologic deficits that can linger for at least six months postconcussion.
In 2012, Koerte et al found that diffusion tensor imaging revealed changes in white matter diffusivity in 17 male ice hockey players (ages 20 to 26) throughout the course of one season. Also in 2012, Bazarian and colleagues found that two high school ice hockey players who had multiple subconcussive head blows had significant changes in a percentage of their white matter that was more than three times higher than in controls.
Furthermore, in 2013 McKee and colleagues found that in eight subjects who were examined postmortem for CTE and who had a history of playing amateur and professional ice hockey, five had a presence of CTE on examination. Of the five players who underwent neuropathologic analysis, four showed signs of CTE. Three of the former National Hockey League players had stage II CTE, and one had stage III CTE and Lewy body disease; one of the four was nonsymptomatic at the time of death.
CNS Injuries in Ice Hockey
In a related study presented at the AAN Meeting, Mr. Toy and colleagues found that concussion (0.2 to 6.6 per 1,000 player hours) and spinal cord injury (five per 1,000 player hours) were the most common CNS injuries among ice hockey players.
Other reported injuries were second impact syndrome, subarachnoid hemorrhage, subdural hematoma, epidural hematoma, spinal cord concussion, and vertebral hemorrhage.
“Although numerous measures have been taken to decrease the incidence of CNS injuries in ice hockey, it has been difficult to measure the impact of those changes,” stated Mr. Toy. “Nonetheless, knowledge of the potential for CNS injuries and the mechanisms of those injuries helps inform the athletes and trainers to make more informed decisions regarding play.”
—Colby Stong
Suggested Reading
Bazarian JJ, Zhu T, Blyth B, et al. Subject-specific changes in brain white matter on diffusion tensor imaging after sports-related concussion. Magn Reson Imaging. 2012;30(2):171-180.
Gaetz M, Goodman D, Weinberg H. Electrophysiological evidence for the cumulative effects of concussion. Brain Inj. 2000;14(12):1077-1088.
Koerte IK, Kaufmann D, Hartl E, et al. A prospective study of physician-observed concussion during a varsity university hockey season: white matter integrity in ice hockey players. Part 3 of 4. Neurosurg Focus. 2012;33(6):E3:1-7.
McKee AC, Stern RA, Nowinski CJ, et al. The spectrum of disease in chronic traumatic encephalopathy. Brain. 2013;136(pt 1):43-64.
Suggested Reading
Bazarian JJ, Zhu T, Blyth B, et al. Subject-specific changes in brain white matter on diffusion tensor imaging after sports-related concussion. Magn Reson Imaging. 2012;30(2):171-180.
Gaetz M, Goodman D, Weinberg H. Electrophysiological evidence for the cumulative effects of concussion. Brain Inj. 2000;14(12):1077-1088.
Koerte IK, Kaufmann D, Hartl E, et al. A prospective study of physician-observed concussion during a varsity university hockey season: white matter integrity in ice hockey players. Part 3 of 4. Neurosurg Focus. 2012;33(6):E3:1-7.
McKee AC, Stern RA, Nowinski CJ, et al. The spectrum of disease in chronic traumatic encephalopathy. Brain. 2013;136(pt 1):43-64.
Study supports 2:1 ratio for transfusion in pregnancy
PHILADELPHIA—Results of a single-center study suggest that, when it comes to massive transfusion in pregnancy, a 1:1 ratio of red blood cells (RBCs) to plasma is not needed to maintain adequate hemostasis.
A 2:1 ratio produces prothrombin times (PTs), activated partial thromboplastin times (PTTs), and fibrinogen levels within references ranges.
Vanessa Plasencia, MLS (ASCP)CM, of Texas Children’s Hospital in Houston, presented these findings at the AABB Annual Meeting 2014 (abstract S43-030G).
She noted that hospital staff perform approximately 4500 to 5000 deliveries per year, and they define massive transfusion as 4 or more RBC units in 1 hour or 10 or more RBC units in 24 hours.
The hospital’s initial obstetric massive transfusion protocol was 4 units of RBCs and 4 units of plasma to be issued in a cooler. Four units of group AB thawed plasma or liquid plasma were always available.
To determine if this protocol is optimal, Plasencia and her colleagues conducted a retrospective review of patient records from April 2012 to June 2014. During this time, there were 28 cases of massive transfusion.
Two of these patients died and were excluded from the study. One, who had placental abruption, received 131 RBC units and 48 plasma units (ratio=2.7:1). The other, who had placenta percreta, received 90 RBC units and 52 plasma units (ratio=1.7:1).
The median age of the remaining 26 patients was 34 years (range, 24-44). Four of these patients had placenta accreta, 2 had placenta increta, 14 had placenta percreta, and 6 had other complications (such as placental abruption, diabetes, and risks due to advanced-age pregnancy).
A median of 12 RBC units (range, 9-20) and 9 plasma units (range, 5-19) were issued. And a median of 8 RBC units (range, 6-12) and 5 plasma units (range, 4-8) were actually transfused. That translates to RBC-to-plasma ratios of 1.4:1 (range, 1.0-2.0) and 1.7:1 (1.3-2.5), respectively.
So despite the hospital’s protocol of a 1:1 RBC-to-plasma ratio, the actual ratio of transfusion in practice was approximately 2:1, Plasencia noted. And the patients had PT, PTT, and fibrinogen values within reference ranges.
Coagulation data were collected after transfusions took place, once patients were stable. The median PT was 14.8 seconds (range, 14.1-15.2), the median PTT was 29.9 seconds (range, 27.6-33.3), and the median fibrinogen was 283 mg/dL (range, 225-325).
Because of these results, Texas Children’s Hospital decided to change its massive transfusion protocol for obstetrics to a 2:1 RBC-to-plasma ratio. Now, the hospital issues 4 units of RBCs and 2 units of plasma in its initial blood package.
PHILADELPHIA—Results of a single-center study suggest that, when it comes to massive transfusion in pregnancy, a 1:1 ratio of red blood cells (RBCs) to plasma is not needed to maintain adequate hemostasis.
A 2:1 ratio produces prothrombin times (PTs), activated partial thromboplastin times (PTTs), and fibrinogen levels within references ranges.
Vanessa Plasencia, MLS (ASCP)CM, of Texas Children’s Hospital in Houston, presented these findings at the AABB Annual Meeting 2014 (abstract S43-030G).
She noted that hospital staff perform approximately 4500 to 5000 deliveries per year, and they define massive transfusion as 4 or more RBC units in 1 hour or 10 or more RBC units in 24 hours.
The hospital’s initial obstetric massive transfusion protocol was 4 units of RBCs and 4 units of plasma to be issued in a cooler. Four units of group AB thawed plasma or liquid plasma were always available.
To determine if this protocol is optimal, Plasencia and her colleagues conducted a retrospective review of patient records from April 2012 to June 2014. During this time, there were 28 cases of massive transfusion.
Two of these patients died and were excluded from the study. One, who had placental abruption, received 131 RBC units and 48 plasma units (ratio=2.7:1). The other, who had placenta percreta, received 90 RBC units and 52 plasma units (ratio=1.7:1).
The median age of the remaining 26 patients was 34 years (range, 24-44). Four of these patients had placenta accreta, 2 had placenta increta, 14 had placenta percreta, and 6 had other complications (such as placental abruption, diabetes, and risks due to advanced-age pregnancy).
A median of 12 RBC units (range, 9-20) and 9 plasma units (range, 5-19) were issued. And a median of 8 RBC units (range, 6-12) and 5 plasma units (range, 4-8) were actually transfused. That translates to RBC-to-plasma ratios of 1.4:1 (range, 1.0-2.0) and 1.7:1 (1.3-2.5), respectively.
So despite the hospital’s protocol of a 1:1 RBC-to-plasma ratio, the actual ratio of transfusion in practice was approximately 2:1, Plasencia noted. And the patients had PT, PTT, and fibrinogen values within reference ranges.
Coagulation data were collected after transfusions took place, once patients were stable. The median PT was 14.8 seconds (range, 14.1-15.2), the median PTT was 29.9 seconds (range, 27.6-33.3), and the median fibrinogen was 283 mg/dL (range, 225-325).
Because of these results, Texas Children’s Hospital decided to change its massive transfusion protocol for obstetrics to a 2:1 RBC-to-plasma ratio. Now, the hospital issues 4 units of RBCs and 2 units of plasma in its initial blood package.
PHILADELPHIA—Results of a single-center study suggest that, when it comes to massive transfusion in pregnancy, a 1:1 ratio of red blood cells (RBCs) to plasma is not needed to maintain adequate hemostasis.
A 2:1 ratio produces prothrombin times (PTs), activated partial thromboplastin times (PTTs), and fibrinogen levels within references ranges.
Vanessa Plasencia, MLS (ASCP)CM, of Texas Children’s Hospital in Houston, presented these findings at the AABB Annual Meeting 2014 (abstract S43-030G).
She noted that hospital staff perform approximately 4500 to 5000 deliveries per year, and they define massive transfusion as 4 or more RBC units in 1 hour or 10 or more RBC units in 24 hours.
The hospital’s initial obstetric massive transfusion protocol was 4 units of RBCs and 4 units of plasma to be issued in a cooler. Four units of group AB thawed plasma or liquid plasma were always available.
To determine if this protocol is optimal, Plasencia and her colleagues conducted a retrospective review of patient records from April 2012 to June 2014. During this time, there were 28 cases of massive transfusion.
Two of these patients died and were excluded from the study. One, who had placental abruption, received 131 RBC units and 48 plasma units (ratio=2.7:1). The other, who had placenta percreta, received 90 RBC units and 52 plasma units (ratio=1.7:1).
The median age of the remaining 26 patients was 34 years (range, 24-44). Four of these patients had placenta accreta, 2 had placenta increta, 14 had placenta percreta, and 6 had other complications (such as placental abruption, diabetes, and risks due to advanced-age pregnancy).
A median of 12 RBC units (range, 9-20) and 9 plasma units (range, 5-19) were issued. And a median of 8 RBC units (range, 6-12) and 5 plasma units (range, 4-8) were actually transfused. That translates to RBC-to-plasma ratios of 1.4:1 (range, 1.0-2.0) and 1.7:1 (1.3-2.5), respectively.
So despite the hospital’s protocol of a 1:1 RBC-to-plasma ratio, the actual ratio of transfusion in practice was approximately 2:1, Plasencia noted. And the patients had PT, PTT, and fibrinogen values within reference ranges.
Coagulation data were collected after transfusions took place, once patients were stable. The median PT was 14.8 seconds (range, 14.1-15.2), the median PTT was 29.9 seconds (range, 27.6-33.3), and the median fibrinogen was 283 mg/dL (range, 225-325).
Because of these results, Texas Children’s Hospital decided to change its massive transfusion protocol for obstetrics to a 2:1 RBC-to-plasma ratio. Now, the hospital issues 4 units of RBCs and 2 units of plasma in its initial blood package.
11-Year Data From BENEFIT Trial Support Early Treatment of Interferon Beta-1b for CIS
BALTIMORE—Patients with clinically isolated syndrome (CIS) who received early treatment with interferon beta-1b had a more favorable outcome after 11 years than did patients who had delayed treatment, Ludwig Kappos, MD, and colleagues reported.
Patients in the early treatment arm of the Betaferon/Betaseron in Newly Emerging MS For Initial Treatment (BENEFIT) trial had a longer time to clinically definite multiple sclerosis (MS) (hazard ratio [HR], 0.67), compared with patients in the delayed treatment group. Patients who had early treatment also had a longer time to first relapse (HR, 0.655) and a lower annualized relapse rate (relative risk, 0.8094), compared with those in the delayed treatment group.
Patients in BENEFIT 11 were randomized to receive either 250 µg of interferon beta-1b as early treatment or placebo as delayed treatment subcutaneously every other day. All participants had CIS and two or more MRI lesions suggestive of MS. After two years or conversion to clinically definite MS, patients who had received placebo were offered treatment with interferon beta-1b but could take another medication or no medication for MS. In the delayed treatment group, the mean delay in start of interferon beta-1b treatment was 1.33 years.
Eleven years after the initial randomization, all patients were asked to complete a comprehensive reassessment. A total of 167 patients received early treatment with interferon beta-1b, and 111 received placebo in BENEFIT 11.
Scores on the Expanded Disability Status Scale (EDSS) “remained low and stable,” with a median of 2.0 and a median change from baseline of 0.5 in both groups, noted Dr. Kappos, Chair in Neurology at the University Hospital Basel, Switzerland. Kaplan–Meier estimates of risk of secondary progressive MS at 11 years were 4.5% in the early treatment group and 8.3% in the delayed treatment groups.
“The 11-year follow-up of the BENEFIT trial includes a sizeable proportion of the originally randomized patients from the participating centers and shows that relapse-related clinical outcomes—time to clinically definite MS, time to first relapse, and annualized relapse rate—still favor patients who had early treatment with interferon beta-1b, relative to those in the delayed interferon beta-1b treatment arm,” stated Dr. Kappos.
The differences between the treatment groups remained after 11 years “despite the relatively small differences in interferon beta-1b exposure between the treatment arms,” noted Dr. Kappos. All patients in the delayed treatment group began their treatment within a maximum of two years following a first demyelinating event.
“BENEFIT 11 provides evidence that the early treatment of patients with CIS had a positive impact on clinical outcomes, even 11 years postrandomization, and supports the importance of starting therapy with interferon beta-1b early in the course of disease,” Dr. Kappos concluded. “Disability data from BENEFIT 11 also appear to suggest a positive effect of interferon beta-1b on EDSS progression.”
Are Patients With Ischemic Stroke Receiving Guideline-Concordant Cardiac Stress Testing?
Guideline-concordant cardiac screening is underused in patients who have had an ischemic stroke without evidence of previous cardiac stress testing, researchers reported.
“Current guidelines recommend screening for coronary heart disease using cardiac stress testing for ischemic stroke patients at high risk of future cardiac events,” stated Jason J. Sico, MD, Assistant Professor of Neurology at the Yale University School of Medicine and Director of Stroke Care at the VA Connecticut Healthcare System in New Haven. “Whether high-risk stroke patients routinely receive guideline-concordant cardiac stress testing is not known.”
Dr. Sico and colleagues analyzed the medical records of 3,965 veterans from 131 Veterans Health Administration facilities who were admitted with a confirmed diagnosis of ischemic stroke in 2007. The investigators used a Framingham Risk Score of 20 or greater to define patients who had a high risk of coronary heart disease. The study authors used logistic regression analysis to assess whether cardiac stress testing had been performed more frequently among patients who were at high risk for stroke.
Among the 2,337 patients who were included in the analysis, 664 (28%) had a Framingham Risk Score of 20 or greater. A total of 140 patients (6%) had cardiac stress testing within six months of discharge.
“High-risk patients were as likely to have received cardiac stress testing as were those with a low Framingham Risk Score (odds ratio, 0.90),” Dr. Sico reported.
Mild TBI Is a More Common Risk Factor for Early-Onset Alzheimer’s Disease Than for Late-Onset Alzheimer’s Disease
Mild traumatic brain injury (TBI) occurring two or more years before the initial diagnosis of dementia is more common in patients with early-onset Alzheimer’s disease, compared with patients who have late-onset Alzheimer’s disease, according to research presented.
Ugur Sener, MD, of the Department of Neurology, University of Oklahoma Medical Center in Oklahoma City, and colleagues conducted a retrospective chart review that compared patients with early-onset Alzheimer’s disease with those who had late-onset Alzheimer’s disease, regarding vascular risk factors, depression, excessive use of alcohol, TBI, education, and family history of dementia. Neuroimaging tests and laboratory screening tests were performed according to guidelines from the American Academy of Neurology.
The investigators found that 35 patients had early-onset Alzheimer’s disease and 103 patients had late-onset Alzheimer’s disease during the study period of September 1, 2010, through September 1, 2013. Seven of the 35 patients with early-onset Alzheimer’s disease had had a concussion two years or more before their initial visit, compared with five of the 103 patients with late-onset Alzheimer’s disease.
“There were no significant differences in any of the other risk factors,” stated Dr. Sener.
Sodium Channel–Blocking AEDs Linked to Better Adherence
Patients with epilepsy who use a sodium channel–blocking antiepileptic drug (AED) have a higher likelihood of treatment adherence for 12 months, compared with patients who use AEDs with other mechanisms, researchers reported.
Jennifer S. Korsnes, Senior Health Outcomes Scientist, RTI Health Solutions in Research Triangle Park, North Carolina, and colleagues based their findings on a review of a US commercial claims database of adult patients with epilepsy, ages 18 to 65. Patients were required to have six or more months of continuous health plan enrollment before their index date and 12 or more months of continuous enrollment after their index date, as well as a monotherapy index AED. Patients were considered to be adherent if they had a proportion of days covered greater than or equal to 80% with an AED during the 12-month follow-up. The investigators performed logistic regression analysis to assess the relationship between AED mechanism and adherence.
A total of 53,338 patients were included in the study—40.2% had been taking a sodium channel blocker, 15.8% were using a gamma-aminobutyric acid (GABA) enhancer, 23.3% were using a synaptic vesicle protein 2A (SV2A) binding agent, 10.1% had been taking a glutamate blocker, and 10.6% had been using a multiple-mechanism index AED.
Compared with patients who were using a sodium-channel blocker, the one-year odds of being adherent were 57.2% lower for patients taking a GABA enhancer, 8.3% lower for patients taking an SV2A-binding agent, 6.8% lower for patients taking a glutamate blocker, and 12% lower for patients using a multiple-mechanism AED.
—Colby Stong
BALTIMORE—Patients with clinically isolated syndrome (CIS) who received early treatment with interferon beta-1b had a more favorable outcome after 11 years than did patients who had delayed treatment, Ludwig Kappos, MD, and colleagues reported.
Patients in the early treatment arm of the Betaferon/Betaseron in Newly Emerging MS For Initial Treatment (BENEFIT) trial had a longer time to clinically definite multiple sclerosis (MS) (hazard ratio [HR], 0.67), compared with patients in the delayed treatment group. Patients who had early treatment also had a longer time to first relapse (HR, 0.655) and a lower annualized relapse rate (relative risk, 0.8094), compared with those in the delayed treatment group.
Patients in BENEFIT 11 were randomized to receive either 250 µg of interferon beta-1b as early treatment or placebo as delayed treatment subcutaneously every other day. All participants had CIS and two or more MRI lesions suggestive of MS. After two years or conversion to clinically definite MS, patients who had received placebo were offered treatment with interferon beta-1b but could take another medication or no medication for MS. In the delayed treatment group, the mean delay in start of interferon beta-1b treatment was 1.33 years.
Eleven years after the initial randomization, all patients were asked to complete a comprehensive reassessment. A total of 167 patients received early treatment with interferon beta-1b, and 111 received placebo in BENEFIT 11.
Scores on the Expanded Disability Status Scale (EDSS) “remained low and stable,” with a median of 2.0 and a median change from baseline of 0.5 in both groups, noted Dr. Kappos, Chair in Neurology at the University Hospital Basel, Switzerland. Kaplan–Meier estimates of risk of secondary progressive MS at 11 years were 4.5% in the early treatment group and 8.3% in the delayed treatment groups.
“The 11-year follow-up of the BENEFIT trial includes a sizeable proportion of the originally randomized patients from the participating centers and shows that relapse-related clinical outcomes—time to clinically definite MS, time to first relapse, and annualized relapse rate—still favor patients who had early treatment with interferon beta-1b, relative to those in the delayed interferon beta-1b treatment arm,” stated Dr. Kappos.
The differences between the treatment groups remained after 11 years “despite the relatively small differences in interferon beta-1b exposure between the treatment arms,” noted Dr. Kappos. All patients in the delayed treatment group began their treatment within a maximum of two years following a first demyelinating event.
“BENEFIT 11 provides evidence that the early treatment of patients with CIS had a positive impact on clinical outcomes, even 11 years postrandomization, and supports the importance of starting therapy with interferon beta-1b early in the course of disease,” Dr. Kappos concluded. “Disability data from BENEFIT 11 also appear to suggest a positive effect of interferon beta-1b on EDSS progression.”
Are Patients With Ischemic Stroke Receiving Guideline-Concordant Cardiac Stress Testing?
Guideline-concordant cardiac screening is underused in patients who have had an ischemic stroke without evidence of previous cardiac stress testing, researchers reported.
“Current guidelines recommend screening for coronary heart disease using cardiac stress testing for ischemic stroke patients at high risk of future cardiac events,” stated Jason J. Sico, MD, Assistant Professor of Neurology at the Yale University School of Medicine and Director of Stroke Care at the VA Connecticut Healthcare System in New Haven. “Whether high-risk stroke patients routinely receive guideline-concordant cardiac stress testing is not known.”
Dr. Sico and colleagues analyzed the medical records of 3,965 veterans from 131 Veterans Health Administration facilities who were admitted with a confirmed diagnosis of ischemic stroke in 2007. The investigators used a Framingham Risk Score of 20 or greater to define patients who had a high risk of coronary heart disease. The study authors used logistic regression analysis to assess whether cardiac stress testing had been performed more frequently among patients who were at high risk for stroke.
Among the 2,337 patients who were included in the analysis, 664 (28%) had a Framingham Risk Score of 20 or greater. A total of 140 patients (6%) had cardiac stress testing within six months of discharge.
“High-risk patients were as likely to have received cardiac stress testing as were those with a low Framingham Risk Score (odds ratio, 0.90),” Dr. Sico reported.
Mild TBI Is a More Common Risk Factor for Early-Onset Alzheimer’s Disease Than for Late-Onset Alzheimer’s Disease
Mild traumatic brain injury (TBI) occurring two or more years before the initial diagnosis of dementia is more common in patients with early-onset Alzheimer’s disease, compared with patients who have late-onset Alzheimer’s disease, according to research presented.
Ugur Sener, MD, of the Department of Neurology, University of Oklahoma Medical Center in Oklahoma City, and colleagues conducted a retrospective chart review that compared patients with early-onset Alzheimer’s disease with those who had late-onset Alzheimer’s disease, regarding vascular risk factors, depression, excessive use of alcohol, TBI, education, and family history of dementia. Neuroimaging tests and laboratory screening tests were performed according to guidelines from the American Academy of Neurology.
The investigators found that 35 patients had early-onset Alzheimer’s disease and 103 patients had late-onset Alzheimer’s disease during the study period of September 1, 2010, through September 1, 2013. Seven of the 35 patients with early-onset Alzheimer’s disease had had a concussion two years or more before their initial visit, compared with five of the 103 patients with late-onset Alzheimer’s disease.
“There were no significant differences in any of the other risk factors,” stated Dr. Sener.
Sodium Channel–Blocking AEDs Linked to Better Adherence
Patients with epilepsy who use a sodium channel–blocking antiepileptic drug (AED) have a higher likelihood of treatment adherence for 12 months, compared with patients who use AEDs with other mechanisms, researchers reported.
Jennifer S. Korsnes, Senior Health Outcomes Scientist, RTI Health Solutions in Research Triangle Park, North Carolina, and colleagues based their findings on a review of a US commercial claims database of adult patients with epilepsy, ages 18 to 65. Patients were required to have six or more months of continuous health plan enrollment before their index date and 12 or more months of continuous enrollment after their index date, as well as a monotherapy index AED. Patients were considered to be adherent if they had a proportion of days covered greater than or equal to 80% with an AED during the 12-month follow-up. The investigators performed logistic regression analysis to assess the relationship between AED mechanism and adherence.
A total of 53,338 patients were included in the study—40.2% had been taking a sodium channel blocker, 15.8% were using a gamma-aminobutyric acid (GABA) enhancer, 23.3% were using a synaptic vesicle protein 2A (SV2A) binding agent, 10.1% had been taking a glutamate blocker, and 10.6% had been using a multiple-mechanism index AED.
Compared with patients who were using a sodium-channel blocker, the one-year odds of being adherent were 57.2% lower for patients taking a GABA enhancer, 8.3% lower for patients taking an SV2A-binding agent, 6.8% lower for patients taking a glutamate blocker, and 12% lower for patients using a multiple-mechanism AED.
—Colby Stong
BALTIMORE—Patients with clinically isolated syndrome (CIS) who received early treatment with interferon beta-1b had a more favorable outcome after 11 years than did patients who had delayed treatment, Ludwig Kappos, MD, and colleagues reported.
Patients in the early treatment arm of the Betaferon/Betaseron in Newly Emerging MS For Initial Treatment (BENEFIT) trial had a longer time to clinically definite multiple sclerosis (MS) (hazard ratio [HR], 0.67), compared with patients in the delayed treatment group. Patients who had early treatment also had a longer time to first relapse (HR, 0.655) and a lower annualized relapse rate (relative risk, 0.8094), compared with those in the delayed treatment group.
Patients in BENEFIT 11 were randomized to receive either 250 µg of interferon beta-1b as early treatment or placebo as delayed treatment subcutaneously every other day. All participants had CIS and two or more MRI lesions suggestive of MS. After two years or conversion to clinically definite MS, patients who had received placebo were offered treatment with interferon beta-1b but could take another medication or no medication for MS. In the delayed treatment group, the mean delay in start of interferon beta-1b treatment was 1.33 years.
Eleven years after the initial randomization, all patients were asked to complete a comprehensive reassessment. A total of 167 patients received early treatment with interferon beta-1b, and 111 received placebo in BENEFIT 11.
Scores on the Expanded Disability Status Scale (EDSS) “remained low and stable,” with a median of 2.0 and a median change from baseline of 0.5 in both groups, noted Dr. Kappos, Chair in Neurology at the University Hospital Basel, Switzerland. Kaplan–Meier estimates of risk of secondary progressive MS at 11 years were 4.5% in the early treatment group and 8.3% in the delayed treatment groups.
“The 11-year follow-up of the BENEFIT trial includes a sizeable proportion of the originally randomized patients from the participating centers and shows that relapse-related clinical outcomes—time to clinically definite MS, time to first relapse, and annualized relapse rate—still favor patients who had early treatment with interferon beta-1b, relative to those in the delayed interferon beta-1b treatment arm,” stated Dr. Kappos.
The differences between the treatment groups remained after 11 years “despite the relatively small differences in interferon beta-1b exposure between the treatment arms,” noted Dr. Kappos. All patients in the delayed treatment group began their treatment within a maximum of two years following a first demyelinating event.
“BENEFIT 11 provides evidence that the early treatment of patients with CIS had a positive impact on clinical outcomes, even 11 years postrandomization, and supports the importance of starting therapy with interferon beta-1b early in the course of disease,” Dr. Kappos concluded. “Disability data from BENEFIT 11 also appear to suggest a positive effect of interferon beta-1b on EDSS progression.”
Are Patients With Ischemic Stroke Receiving Guideline-Concordant Cardiac Stress Testing?
Guideline-concordant cardiac screening is underused in patients who have had an ischemic stroke without evidence of previous cardiac stress testing, researchers reported.
“Current guidelines recommend screening for coronary heart disease using cardiac stress testing for ischemic stroke patients at high risk of future cardiac events,” stated Jason J. Sico, MD, Assistant Professor of Neurology at the Yale University School of Medicine and Director of Stroke Care at the VA Connecticut Healthcare System in New Haven. “Whether high-risk stroke patients routinely receive guideline-concordant cardiac stress testing is not known.”
Dr. Sico and colleagues analyzed the medical records of 3,965 veterans from 131 Veterans Health Administration facilities who were admitted with a confirmed diagnosis of ischemic stroke in 2007. The investigators used a Framingham Risk Score of 20 or greater to define patients who had a high risk of coronary heart disease. The study authors used logistic regression analysis to assess whether cardiac stress testing had been performed more frequently among patients who were at high risk for stroke.
Among the 2,337 patients who were included in the analysis, 664 (28%) had a Framingham Risk Score of 20 or greater. A total of 140 patients (6%) had cardiac stress testing within six months of discharge.
“High-risk patients were as likely to have received cardiac stress testing as were those with a low Framingham Risk Score (odds ratio, 0.90),” Dr. Sico reported.
Mild TBI Is a More Common Risk Factor for Early-Onset Alzheimer’s Disease Than for Late-Onset Alzheimer’s Disease
Mild traumatic brain injury (TBI) occurring two or more years before the initial diagnosis of dementia is more common in patients with early-onset Alzheimer’s disease, compared with patients who have late-onset Alzheimer’s disease, according to research presented.
Ugur Sener, MD, of the Department of Neurology, University of Oklahoma Medical Center in Oklahoma City, and colleagues conducted a retrospective chart review that compared patients with early-onset Alzheimer’s disease with those who had late-onset Alzheimer’s disease, regarding vascular risk factors, depression, excessive use of alcohol, TBI, education, and family history of dementia. Neuroimaging tests and laboratory screening tests were performed according to guidelines from the American Academy of Neurology.
The investigators found that 35 patients had early-onset Alzheimer’s disease and 103 patients had late-onset Alzheimer’s disease during the study period of September 1, 2010, through September 1, 2013. Seven of the 35 patients with early-onset Alzheimer’s disease had had a concussion two years or more before their initial visit, compared with five of the 103 patients with late-onset Alzheimer’s disease.
“There were no significant differences in any of the other risk factors,” stated Dr. Sener.
Sodium Channel–Blocking AEDs Linked to Better Adherence
Patients with epilepsy who use a sodium channel–blocking antiepileptic drug (AED) have a higher likelihood of treatment adherence for 12 months, compared with patients who use AEDs with other mechanisms, researchers reported.
Jennifer S. Korsnes, Senior Health Outcomes Scientist, RTI Health Solutions in Research Triangle Park, North Carolina, and colleagues based their findings on a review of a US commercial claims database of adult patients with epilepsy, ages 18 to 65. Patients were required to have six or more months of continuous health plan enrollment before their index date and 12 or more months of continuous enrollment after their index date, as well as a monotherapy index AED. Patients were considered to be adherent if they had a proportion of days covered greater than or equal to 80% with an AED during the 12-month follow-up. The investigators performed logistic regression analysis to assess the relationship between AED mechanism and adherence.
A total of 53,338 patients were included in the study—40.2% had been taking a sodium channel blocker, 15.8% were using a gamma-aminobutyric acid (GABA) enhancer, 23.3% were using a synaptic vesicle protein 2A (SV2A) binding agent, 10.1% had been taking a glutamate blocker, and 10.6% had been using a multiple-mechanism index AED.
Compared with patients who were using a sodium-channel blocker, the one-year odds of being adherent were 57.2% lower for patients taking a GABA enhancer, 8.3% lower for patients taking an SV2A-binding agent, 6.8% lower for patients taking a glutamate blocker, and 12% lower for patients using a multiple-mechanism AED.
—Colby Stong
David Henry's JCSO podcast, October 2014
In his monthly podcast for The Journal of Community and Supportive Oncology for October, David Henry examines two research articles that focus on patient-provider communication: one article looks at patient and provider concordance on symptoms and the other discusses the informational needs and the quality of life of patients after being diagnosed with metastatic breast cancer. Two other original research articles on weight change in breast cancer patients on third-generation adjuvant chemotherapy and the quality of supportive care in patients with advanced lung cancer in the Veterans Health Administration plus a Case Report about breast cancer with brain metastases in pregnancy round off the clinical portion of the line-up. A feature article details the current state of biomarker development and challenges that temper their clinical potential.
In his monthly podcast for The Journal of Community and Supportive Oncology for October, David Henry examines two research articles that focus on patient-provider communication: one article looks at patient and provider concordance on symptoms and the other discusses the informational needs and the quality of life of patients after being diagnosed with metastatic breast cancer. Two other original research articles on weight change in breast cancer patients on third-generation adjuvant chemotherapy and the quality of supportive care in patients with advanced lung cancer in the Veterans Health Administration plus a Case Report about breast cancer with brain metastases in pregnancy round off the clinical portion of the line-up. A feature article details the current state of biomarker development and challenges that temper their clinical potential.
In his monthly podcast for The Journal of Community and Supportive Oncology for October, David Henry examines two research articles that focus on patient-provider communication: one article looks at patient and provider concordance on symptoms and the other discusses the informational needs and the quality of life of patients after being diagnosed with metastatic breast cancer. Two other original research articles on weight change in breast cancer patients on third-generation adjuvant chemotherapy and the quality of supportive care in patients with advanced lung cancer in the Veterans Health Administration plus a Case Report about breast cancer with brain metastases in pregnancy round off the clinical portion of the line-up. A feature article details the current state of biomarker development and challenges that temper their clinical potential.
Product update
RELIZEN: NONHORMONAL TX FOR HOT FLASHES
RELIZEN® is a patented, nonhormonal therapy for the relief of hot flashes associated with menopause from JDS Therapeutics.New to the United States, Relizen has been used by women and physicians in Europe for more than 15 years, according to the manufacturer, and has clinical efficacy data established in a placebo-controlled trial published in Climacteric. The active ingredient is a non-estrogenic, purified Swedish pollen extract that has pollen allergens removed. The daily dose is 2 pills/day.
FOR MORE INFORMATION, VISIT www.relizen.com
RISK ASSESSMENT FOR SPORADIC BREAST CA
BREVAGenplus, from Phenogen Sciences, Inc, assesses clinical risk factors (Gail score) and genetic markers (SNP profile) to determine 5-year and lifetime risks of developing sporadic (nonhereditary) breast cancer. The test is for Caucasian, Hispanic, and African-American women, aged 35 years and older, who have not had breast cancer but have one or more risk factors for developing breast cancer.
FOR MORE INFORMATION, VISIT http://phenogensciences.com
3 NEW DEVICE LENGTHS FOR DISSECTION
Covidien has added 13-cm, 26-cm, and 48-cm lengths to its Sonicisiontm Cordless Ultrasonic Dissection Device portfolio. Covidien reports that Sonicision offers surgeons faster dissection with increased mobility without having to manage electrical cords. Single-use and reusable components available.
FOR MORE INFORMATION, VISIT www.covidien.com
ROBOTICS SIMULATOR
Simbionix has launched RobotiX Mentor, a comprehensive educational tool for surgeons of all levels to practice the skills required to perform robotic surgery. By using basic task modules and cross-specialty clinical procedure simulations, surgeons can experience partial or entire robotic procedures.
FOR MORE INFORMATION, VISIT www.simbionix.com
NATURAL PRODUCTS FOR PREGNANCY
Fairhaven Health’s PregnancyPlus Line includes Prenatal Vitamins, Omega-3, and Cal-Mag (calcium, magnesium, and vitamin D3) natural supplements. Fairhaven Health claims that the Belly Rest Pregnancy Pillow provides back-pain relief during sleep. All products are BPA-free, with no artificial flavors, colors, or preservatives.
FOR MORE INFORMATION, VISIT www.fairhavenhealth.com
OPTIMIZE OFFICE WORKFLOW
Comtron offers Medgen EHR, a customized electronic health record (EHR) system. Comtron claims the Medgen EHR system is easily adaptable and is cost-effective by offering increased efficiency, decreased overhead, and improved patient care.
FOR MORE INFORMATION, VISIT www.medgenehr.com
VISUALIZATION ENHANCEMENT TOOLS
Karl Storz launched the Image1® SPIEStm visualization enhancement modular system for endoscopic surgery. SPIES, an acronym for Storz Professional Image Enhancement System, has three components: video software, a modular camera control unit, and a graphic user interface. Karl Storz reports that the modular design allows customization to individual needs. The combined camera heads and visualization tools offer homogenous illumination and contrast enhancement.
FOR MORE INFORMATION, VISIT www.karlstorz.com
NONINVASIVE PRENATAL GENETIC BLOOD TEST
Synapse Diagnostics offers Materni T21 PLUS, a test for specific chromosomal conditions in a fetus that are associated with birth defects. Conducted on blood drawn from the mother as early as 10 weeks’ gestation, the test uses genomic sequencing. Synapse Diagnostics claims that this is the only test that not only detects abnormalities like Down syndrome but also reveals defects called “microdeletions” caused by a missing gene that are otherwise difficult to discover early in pregnancy.
FOR MORE INFORMATION, VISIT www.synapsediagnostics.com
NEW ULTRASOUND SYSTEM
Samsung Electronics America, Inc. has introduced the UGEO WS80A ultrasound system for ObGyn applications. Key features: 21.5"-wide LED monitor with touch panel, 5D technologies, FRVtm (Feto Realistic View) with 3D visualization, and piezoelectric crystal design for high resolution. Samsung reports that the UGEO WS80A has improved gray scale and color with a more precise signal, speckle reduction, and edge and contrast enhancement.
FOR MORE INFORMATION, VISIT www.samsung.com/healthcare
SEAL & CUT TECHNOLOGY
Aesculap has expanded its line of Caiman 5 Seal and Cut Technology to include 24-cm and 44-cm lengths of vessel sealing devices in addition to its original 36-cm device. Aesculap claims that the extended jaw design provides uniform pressure distribution across a variety of tissue thicknesses. These bipolar electrosurgical RF energy instruments are intended for open and laparoscopic surgery.
FOR MORE INFORMATION, VISIT www.caimansurgery.com
DETECTING RUPTURED MEMBRANES
ROM Plus®is a rapid qualitative test for in vitro detection of amniotic proteins in vaginal secretions of pregnant women for possible diagnosis of premature rupture of membranes (PROM). ROM Plus uses a monoclonal/polyclonal antibody approach to detect two amniotic proteins, AFP and PP12. Accurate and prompt diagnosis of PROM helps decrease or avoid serious complications for mother and fetus.
FOR MORE INFORMATION, VISIT www.clinicalinnovations.com
RELIZEN: NONHORMONAL TX FOR HOT FLASHES
RELIZEN® is a patented, nonhormonal therapy for the relief of hot flashes associated with menopause from JDS Therapeutics.New to the United States, Relizen has been used by women and physicians in Europe for more than 15 years, according to the manufacturer, and has clinical efficacy data established in a placebo-controlled trial published in Climacteric. The active ingredient is a non-estrogenic, purified Swedish pollen extract that has pollen allergens removed. The daily dose is 2 pills/day.
FOR MORE INFORMATION, VISIT www.relizen.com
RISK ASSESSMENT FOR SPORADIC BREAST CA
BREVAGenplus, from Phenogen Sciences, Inc, assesses clinical risk factors (Gail score) and genetic markers (SNP profile) to determine 5-year and lifetime risks of developing sporadic (nonhereditary) breast cancer. The test is for Caucasian, Hispanic, and African-American women, aged 35 years and older, who have not had breast cancer but have one or more risk factors for developing breast cancer.
FOR MORE INFORMATION, VISIT http://phenogensciences.com
3 NEW DEVICE LENGTHS FOR DISSECTION
Covidien has added 13-cm, 26-cm, and 48-cm lengths to its Sonicisiontm Cordless Ultrasonic Dissection Device portfolio. Covidien reports that Sonicision offers surgeons faster dissection with increased mobility without having to manage electrical cords. Single-use and reusable components available.
FOR MORE INFORMATION, VISIT www.covidien.com
ROBOTICS SIMULATOR
Simbionix has launched RobotiX Mentor, a comprehensive educational tool for surgeons of all levels to practice the skills required to perform robotic surgery. By using basic task modules and cross-specialty clinical procedure simulations, surgeons can experience partial or entire robotic procedures.
FOR MORE INFORMATION, VISIT www.simbionix.com
NATURAL PRODUCTS FOR PREGNANCY
Fairhaven Health’s PregnancyPlus Line includes Prenatal Vitamins, Omega-3, and Cal-Mag (calcium, magnesium, and vitamin D3) natural supplements. Fairhaven Health claims that the Belly Rest Pregnancy Pillow provides back-pain relief during sleep. All products are BPA-free, with no artificial flavors, colors, or preservatives.
FOR MORE INFORMATION, VISIT www.fairhavenhealth.com
OPTIMIZE OFFICE WORKFLOW
Comtron offers Medgen EHR, a customized electronic health record (EHR) system. Comtron claims the Medgen EHR system is easily adaptable and is cost-effective by offering increased efficiency, decreased overhead, and improved patient care.
FOR MORE INFORMATION, VISIT www.medgenehr.com
VISUALIZATION ENHANCEMENT TOOLS
Karl Storz launched the Image1® SPIEStm visualization enhancement modular system for endoscopic surgery. SPIES, an acronym for Storz Professional Image Enhancement System, has three components: video software, a modular camera control unit, and a graphic user interface. Karl Storz reports that the modular design allows customization to individual needs. The combined camera heads and visualization tools offer homogenous illumination and contrast enhancement.
FOR MORE INFORMATION, VISIT www.karlstorz.com
NONINVASIVE PRENATAL GENETIC BLOOD TEST
Synapse Diagnostics offers Materni T21 PLUS, a test for specific chromosomal conditions in a fetus that are associated with birth defects. Conducted on blood drawn from the mother as early as 10 weeks’ gestation, the test uses genomic sequencing. Synapse Diagnostics claims that this is the only test that not only detects abnormalities like Down syndrome but also reveals defects called “microdeletions” caused by a missing gene that are otherwise difficult to discover early in pregnancy.
FOR MORE INFORMATION, VISIT www.synapsediagnostics.com
NEW ULTRASOUND SYSTEM
Samsung Electronics America, Inc. has introduced the UGEO WS80A ultrasound system for ObGyn applications. Key features: 21.5"-wide LED monitor with touch panel, 5D technologies, FRVtm (Feto Realistic View) with 3D visualization, and piezoelectric crystal design for high resolution. Samsung reports that the UGEO WS80A has improved gray scale and color with a more precise signal, speckle reduction, and edge and contrast enhancement.
FOR MORE INFORMATION, VISIT www.samsung.com/healthcare
SEAL & CUT TECHNOLOGY
Aesculap has expanded its line of Caiman 5 Seal and Cut Technology to include 24-cm and 44-cm lengths of vessel sealing devices in addition to its original 36-cm device. Aesculap claims that the extended jaw design provides uniform pressure distribution across a variety of tissue thicknesses. These bipolar electrosurgical RF energy instruments are intended for open and laparoscopic surgery.
FOR MORE INFORMATION, VISIT www.caimansurgery.com
DETECTING RUPTURED MEMBRANES
ROM Plus®is a rapid qualitative test for in vitro detection of amniotic proteins in vaginal secretions of pregnant women for possible diagnosis of premature rupture of membranes (PROM). ROM Plus uses a monoclonal/polyclonal antibody approach to detect two amniotic proteins, AFP and PP12. Accurate and prompt diagnosis of PROM helps decrease or avoid serious complications for mother and fetus.
FOR MORE INFORMATION, VISIT www.clinicalinnovations.com
RELIZEN: NONHORMONAL TX FOR HOT FLASHES
RELIZEN® is a patented, nonhormonal therapy for the relief of hot flashes associated with menopause from JDS Therapeutics.New to the United States, Relizen has been used by women and physicians in Europe for more than 15 years, according to the manufacturer, and has clinical efficacy data established in a placebo-controlled trial published in Climacteric. The active ingredient is a non-estrogenic, purified Swedish pollen extract that has pollen allergens removed. The daily dose is 2 pills/day.
FOR MORE INFORMATION, VISIT www.relizen.com
RISK ASSESSMENT FOR SPORADIC BREAST CA
BREVAGenplus, from Phenogen Sciences, Inc, assesses clinical risk factors (Gail score) and genetic markers (SNP profile) to determine 5-year and lifetime risks of developing sporadic (nonhereditary) breast cancer. The test is for Caucasian, Hispanic, and African-American women, aged 35 years and older, who have not had breast cancer but have one or more risk factors for developing breast cancer.
FOR MORE INFORMATION, VISIT http://phenogensciences.com
3 NEW DEVICE LENGTHS FOR DISSECTION
Covidien has added 13-cm, 26-cm, and 48-cm lengths to its Sonicisiontm Cordless Ultrasonic Dissection Device portfolio. Covidien reports that Sonicision offers surgeons faster dissection with increased mobility without having to manage electrical cords. Single-use and reusable components available.
FOR MORE INFORMATION, VISIT www.covidien.com
ROBOTICS SIMULATOR
Simbionix has launched RobotiX Mentor, a comprehensive educational tool for surgeons of all levels to practice the skills required to perform robotic surgery. By using basic task modules and cross-specialty clinical procedure simulations, surgeons can experience partial or entire robotic procedures.
FOR MORE INFORMATION, VISIT www.simbionix.com
NATURAL PRODUCTS FOR PREGNANCY
Fairhaven Health’s PregnancyPlus Line includes Prenatal Vitamins, Omega-3, and Cal-Mag (calcium, magnesium, and vitamin D3) natural supplements. Fairhaven Health claims that the Belly Rest Pregnancy Pillow provides back-pain relief during sleep. All products are BPA-free, with no artificial flavors, colors, or preservatives.
FOR MORE INFORMATION, VISIT www.fairhavenhealth.com
OPTIMIZE OFFICE WORKFLOW
Comtron offers Medgen EHR, a customized electronic health record (EHR) system. Comtron claims the Medgen EHR system is easily adaptable and is cost-effective by offering increased efficiency, decreased overhead, and improved patient care.
FOR MORE INFORMATION, VISIT www.medgenehr.com
VISUALIZATION ENHANCEMENT TOOLS
Karl Storz launched the Image1® SPIEStm visualization enhancement modular system for endoscopic surgery. SPIES, an acronym for Storz Professional Image Enhancement System, has three components: video software, a modular camera control unit, and a graphic user interface. Karl Storz reports that the modular design allows customization to individual needs. The combined camera heads and visualization tools offer homogenous illumination and contrast enhancement.
FOR MORE INFORMATION, VISIT www.karlstorz.com
NONINVASIVE PRENATAL GENETIC BLOOD TEST
Synapse Diagnostics offers Materni T21 PLUS, a test for specific chromosomal conditions in a fetus that are associated with birth defects. Conducted on blood drawn from the mother as early as 10 weeks’ gestation, the test uses genomic sequencing. Synapse Diagnostics claims that this is the only test that not only detects abnormalities like Down syndrome but also reveals defects called “microdeletions” caused by a missing gene that are otherwise difficult to discover early in pregnancy.
FOR MORE INFORMATION, VISIT www.synapsediagnostics.com
NEW ULTRASOUND SYSTEM
Samsung Electronics America, Inc. has introduced the UGEO WS80A ultrasound system for ObGyn applications. Key features: 21.5"-wide LED monitor with touch panel, 5D technologies, FRVtm (Feto Realistic View) with 3D visualization, and piezoelectric crystal design for high resolution. Samsung reports that the UGEO WS80A has improved gray scale and color with a more precise signal, speckle reduction, and edge and contrast enhancement.
FOR MORE INFORMATION, VISIT www.samsung.com/healthcare
SEAL & CUT TECHNOLOGY
Aesculap has expanded its line of Caiman 5 Seal and Cut Technology to include 24-cm and 44-cm lengths of vessel sealing devices in addition to its original 36-cm device. Aesculap claims that the extended jaw design provides uniform pressure distribution across a variety of tissue thicknesses. These bipolar electrosurgical RF energy instruments are intended for open and laparoscopic surgery.
FOR MORE INFORMATION, VISIT www.caimansurgery.com
DETECTING RUPTURED MEMBRANES
ROM Plus®is a rapid qualitative test for in vitro detection of amniotic proteins in vaginal secretions of pregnant women for possible diagnosis of premature rupture of membranes (PROM). ROM Plus uses a monoclonal/polyclonal antibody approach to detect two amniotic proteins, AFP and PP12. Accurate and prompt diagnosis of PROM helps decrease or avoid serious complications for mother and fetus.
FOR MORE INFORMATION, VISIT www.clinicalinnovations.com
Which Factors Predict an Autism Diagnosis in Children With Tuberous Sclerosis Complex?
COLUMBUS, OHIO—Cognitive impairment at age 12 months predicts a subsequent diagnosis of autism spectrum disorder in children with tuberous sclerosis complex, according to researchers.
The relationship between intellectual disability and social-communication deficits among children with tuberous sclerosis complex, however, requires further investigation, said the investigators.
Shafali S. Jeste, MD, Assistant Professor in Psychiatry and Neurology at the University of California, Los Angeles, and colleagues conducted a longitudinal cohort study of infants with tuberous sclerosis complex to determine early clinical predictors of autism spectrum disorder and characterize the phenotype of autism in young children with tuberous sclerosis complex.
The researchers recruited infants with tuberous sclerosis complex and typically developing infants as young as 3 months and followed them longitudinally until age 36 months. They gathered data including standard cognitive and social-communication measures (ie, Mullen Scales of Early Learning, Autism Observation Scale of Infancy, and the Early Social Communication Scales), comorbidities questionnaires, and a detailed seizure history. Autism spectrum diagnosis was made using the Autism Diagnostic Observation Schedule and confirmed using best clinical estimate at ages 18, 24, and 36 months.
Of a population of 40 infants, 22 received a diagnosis of autism spectrum disorder. Children with autism had significantly greater cognitive delays by age 12 months and a significant decline in nonverbal IQ from ages 12 to 36 months, compared with children without autism. At 24 months, children with autism had significantly greater cognitive impairment, higher anxiety symptoms, more sleep impairment, and a trend toward greater seizure severity. Children not diagnosed with autism had subclinical evidence of social-communication impairment, particularly in language and play.
Do rTMS and Constraint Therapy Reduce Perinatal Stroke Hemiparesis?
Children with hemiparesis resulting from perinatal stroke perceive marked increases in goal-specific function following treatment with repetitive transcranial magnetic stimulation (rTMS) and constraint therapy, investigators reported.
Further study of noninvasive brain stimulation is feasible and may enhance motor learning therapy in such patients, according to the researchers.
Researchers previously had studied rTMS and constraint therapy in adults with stroke, but the treatments had not been examined in perinatal stroke. Adam Kirton, MD, Associate Professor of Pediatrics and Clinical Neurosciences at the University of Calgary in Canada, and colleagues conducted a blinded factorial trial of rTMS and constraint therapy in 45 children with perinatal stroke hemiparesis. Eligible participants were between ages 6 and 18, and the sample’s mean age was 11.
The children were randomized to daily inhibitory rTMS (ie, 1,200 stimulations at 1 Hz) over contralesional M1, constraint therapy, both treatments, or neither treatment. All interventions were administered for two weeks as part of a goal-directed, peer-supported motor learning camp.
The study’s primary outcome measure was the Canadian Occupational Performance Measure (COPM) at one, eight, and 24 weeks. Secondary outcomes included Assisting Hand Assessment (AHA), Melbourne Assessment (MA), safety, and tolerability. The researchers assessed change across treatment groups from baseline to six months and across all time points.
For all participants, COPM performance and satisfaction scores increased, and maximal gains were observed at six months. Linear mixed effects model analysis demonstrated effects of combined rTMS and constraint therapy on AHA gains at all time points. Constraint therapy alone increased AHA at two months, rTMS alone increased AHA at one week, and neither treatment decreased normal hand function. Affected hand function did not decrease with rTMS in children with ipsilateral corticospinal tract arrangements. The procedures were well tolerated.
Arbaclofen May Not Reduce Social Avoidance in Fragile X Syndrome
Arbaclofen may not reduce social avoidance among patients with fragile X syndrome, according to clinical trial results presented. The drug may modify the disease’s trajectory, however, and deserves further testing, said Elizabeth Berry-Kravis, MD, PhD.
Arbaclofen is a specific GABA-B agonist that has been approved to treat spasticity in multiple sclerosis. The drug improved several abnormal phenotypes in animal models of fragile X syndrome and showed promise in a phase II clinical trial. Dr. Berry-Kravis, Associate Professor of Biochemistry, Neurological Sciences, and Pediatrics at Rush Medical College in Chicago, and colleagues conducted two phase III placebo-controlled trials to determine the drug’s safety and efficacy for social avoidance in fragile X syndrome.
The investigators randomized 125 patients to arbaclofen or placebo in a flexible-dose trial. Eligible patients were between ages 12 and 50. In a separate fixed-dose trial, the researchers randomized 172 participants to 5 mg of arbaclofen twice per day, 10 mg of arbaclofen twice per day, 10 mg of arbaclofen three times per day, or placebo. Eligible subjects in this trial were between ages 5 and 11.
The primary end point for both trials was the Fragile X Syndrome Social Avoidance subscale of the Aberrant Behavior Checklist (ABC). Secondary outcomes included other ABC subscale scores, Clinical Global Impression–Improvement score, Clinical Global Impression-Severity score, and Vineland Socialization domain score.
The investigators observed no serious adverse events during the trial. The most common adverse events included headache, vomiting, nausea, irritability, anxiety, hyperactivity, decreased appetite, and infections. In all, 12 patients discontinued participation in the trial because of neurobehavioral adverse events.
The flexible-dose trial did not indicate a benefit for arbaclofen over placebo for any outcome. The highest dose group in the fixed-dose trial had significantly better outcome than those who received placebo on the ABC Fragile X Irritability subscale. The same group demonstrated a trend toward benefit on the ABC Fragile X Social Avoidance and Hyperactivity subscales.
“Data from secondary measures and the long-term treatment extension (improved Vineland Socialization [domain score]) suggest that some patients derive benefit, but these studies illustrate the challenges of translating targeted treatments from animal models to humans in fragile X syndrome,” said Dr. Berry-Kravis.
Everolimus Reduces SEGA Volume in Tuberous Sclerosis Complex
Everolimus, an mTOR inhibitor, significantly reduces the volume of subependymal giant cell astrocytoma (SEGA) in children with tuberous sclerosis complex, according to an extension analysis presented. In a phase III trial, the researchers did not find any new safety concerns to be associated with the drug.
David N. Franz, MD, Pediatric Neurologist at Cincinnati Children’s Hospital Medical Center, and colleagues enrolled 117 patients in a randomized, double-blind trial of everolimus. All patients had SEGA associated with tuberous sclerosis complex of at least 1 cm in diameter. Participants received either 4.5 mg/m2/day of oral everolimus or placebo. The primary end point was SEGA response rate, which the investigators defined as the proportion of patients with 50% or greater reduction in SEGA volume, compared with baseline.
Patients’ mean age was approximately 11, and mean SEGA volume was 2.6 cm³. Participants received treatment for a median of 41 months.
At the original cutoff of the trial, SEGA response rate was 34.6% for everolimus and 0.0% for placebo. At that point, patients on placebo were offered open-label everolimus in the extension phase of the trial. As of January 11, 2013, 111 patients had received at least one dose of everolimus and were included in the extension analysis. The overall SEGA response rate was 48.6%, and the SEGA response rate for everolimus increased steadily until week 96. The duration of SEGA response ranged from 2.1 to 31.1 months.
Adverse events were common, but their incidence decreased with time. Approximately 40% of patients had serious adverse events, and 19% were suspected to be associated with everolimus. The most frequent serious adverse events occurring in more than 3% of patients were pneumonia, pyrexia, gastroenteritis, and convulsion.
—Erik Greb
COLUMBUS, OHIO—Cognitive impairment at age 12 months predicts a subsequent diagnosis of autism spectrum disorder in children with tuberous sclerosis complex, according to researchers.
The relationship between intellectual disability and social-communication deficits among children with tuberous sclerosis complex, however, requires further investigation, said the investigators.
Shafali S. Jeste, MD, Assistant Professor in Psychiatry and Neurology at the University of California, Los Angeles, and colleagues conducted a longitudinal cohort study of infants with tuberous sclerosis complex to determine early clinical predictors of autism spectrum disorder and characterize the phenotype of autism in young children with tuberous sclerosis complex.
The researchers recruited infants with tuberous sclerosis complex and typically developing infants as young as 3 months and followed them longitudinally until age 36 months. They gathered data including standard cognitive and social-communication measures (ie, Mullen Scales of Early Learning, Autism Observation Scale of Infancy, and the Early Social Communication Scales), comorbidities questionnaires, and a detailed seizure history. Autism spectrum diagnosis was made using the Autism Diagnostic Observation Schedule and confirmed using best clinical estimate at ages 18, 24, and 36 months.
Of a population of 40 infants, 22 received a diagnosis of autism spectrum disorder. Children with autism had significantly greater cognitive delays by age 12 months and a significant decline in nonverbal IQ from ages 12 to 36 months, compared with children without autism. At 24 months, children with autism had significantly greater cognitive impairment, higher anxiety symptoms, more sleep impairment, and a trend toward greater seizure severity. Children not diagnosed with autism had subclinical evidence of social-communication impairment, particularly in language and play.
Do rTMS and Constraint Therapy Reduce Perinatal Stroke Hemiparesis?
Children with hemiparesis resulting from perinatal stroke perceive marked increases in goal-specific function following treatment with repetitive transcranial magnetic stimulation (rTMS) and constraint therapy, investigators reported.
Further study of noninvasive brain stimulation is feasible and may enhance motor learning therapy in such patients, according to the researchers.
Researchers previously had studied rTMS and constraint therapy in adults with stroke, but the treatments had not been examined in perinatal stroke. Adam Kirton, MD, Associate Professor of Pediatrics and Clinical Neurosciences at the University of Calgary in Canada, and colleagues conducted a blinded factorial trial of rTMS and constraint therapy in 45 children with perinatal stroke hemiparesis. Eligible participants were between ages 6 and 18, and the sample’s mean age was 11.
The children were randomized to daily inhibitory rTMS (ie, 1,200 stimulations at 1 Hz) over contralesional M1, constraint therapy, both treatments, or neither treatment. All interventions were administered for two weeks as part of a goal-directed, peer-supported motor learning camp.
The study’s primary outcome measure was the Canadian Occupational Performance Measure (COPM) at one, eight, and 24 weeks. Secondary outcomes included Assisting Hand Assessment (AHA), Melbourne Assessment (MA), safety, and tolerability. The researchers assessed change across treatment groups from baseline to six months and across all time points.
For all participants, COPM performance and satisfaction scores increased, and maximal gains were observed at six months. Linear mixed effects model analysis demonstrated effects of combined rTMS and constraint therapy on AHA gains at all time points. Constraint therapy alone increased AHA at two months, rTMS alone increased AHA at one week, and neither treatment decreased normal hand function. Affected hand function did not decrease with rTMS in children with ipsilateral corticospinal tract arrangements. The procedures were well tolerated.
Arbaclofen May Not Reduce Social Avoidance in Fragile X Syndrome
Arbaclofen may not reduce social avoidance among patients with fragile X syndrome, according to clinical trial results presented. The drug may modify the disease’s trajectory, however, and deserves further testing, said Elizabeth Berry-Kravis, MD, PhD.
Arbaclofen is a specific GABA-B agonist that has been approved to treat spasticity in multiple sclerosis. The drug improved several abnormal phenotypes in animal models of fragile X syndrome and showed promise in a phase II clinical trial. Dr. Berry-Kravis, Associate Professor of Biochemistry, Neurological Sciences, and Pediatrics at Rush Medical College in Chicago, and colleagues conducted two phase III placebo-controlled trials to determine the drug’s safety and efficacy for social avoidance in fragile X syndrome.
The investigators randomized 125 patients to arbaclofen or placebo in a flexible-dose trial. Eligible patients were between ages 12 and 50. In a separate fixed-dose trial, the researchers randomized 172 participants to 5 mg of arbaclofen twice per day, 10 mg of arbaclofen twice per day, 10 mg of arbaclofen three times per day, or placebo. Eligible subjects in this trial were between ages 5 and 11.
The primary end point for both trials was the Fragile X Syndrome Social Avoidance subscale of the Aberrant Behavior Checklist (ABC). Secondary outcomes included other ABC subscale scores, Clinical Global Impression–Improvement score, Clinical Global Impression-Severity score, and Vineland Socialization domain score.
The investigators observed no serious adverse events during the trial. The most common adverse events included headache, vomiting, nausea, irritability, anxiety, hyperactivity, decreased appetite, and infections. In all, 12 patients discontinued participation in the trial because of neurobehavioral adverse events.
The flexible-dose trial did not indicate a benefit for arbaclofen over placebo for any outcome. The highest dose group in the fixed-dose trial had significantly better outcome than those who received placebo on the ABC Fragile X Irritability subscale. The same group demonstrated a trend toward benefit on the ABC Fragile X Social Avoidance and Hyperactivity subscales.
“Data from secondary measures and the long-term treatment extension (improved Vineland Socialization [domain score]) suggest that some patients derive benefit, but these studies illustrate the challenges of translating targeted treatments from animal models to humans in fragile X syndrome,” said Dr. Berry-Kravis.
Everolimus Reduces SEGA Volume in Tuberous Sclerosis Complex
Everolimus, an mTOR inhibitor, significantly reduces the volume of subependymal giant cell astrocytoma (SEGA) in children with tuberous sclerosis complex, according to an extension analysis presented. In a phase III trial, the researchers did not find any new safety concerns to be associated with the drug.
David N. Franz, MD, Pediatric Neurologist at Cincinnati Children’s Hospital Medical Center, and colleagues enrolled 117 patients in a randomized, double-blind trial of everolimus. All patients had SEGA associated with tuberous sclerosis complex of at least 1 cm in diameter. Participants received either 4.5 mg/m2/day of oral everolimus or placebo. The primary end point was SEGA response rate, which the investigators defined as the proportion of patients with 50% or greater reduction in SEGA volume, compared with baseline.
Patients’ mean age was approximately 11, and mean SEGA volume was 2.6 cm³. Participants received treatment for a median of 41 months.
At the original cutoff of the trial, SEGA response rate was 34.6% for everolimus and 0.0% for placebo. At that point, patients on placebo were offered open-label everolimus in the extension phase of the trial. As of January 11, 2013, 111 patients had received at least one dose of everolimus and were included in the extension analysis. The overall SEGA response rate was 48.6%, and the SEGA response rate for everolimus increased steadily until week 96. The duration of SEGA response ranged from 2.1 to 31.1 months.
Adverse events were common, but their incidence decreased with time. Approximately 40% of patients had serious adverse events, and 19% were suspected to be associated with everolimus. The most frequent serious adverse events occurring in more than 3% of patients were pneumonia, pyrexia, gastroenteritis, and convulsion.
—Erik Greb
COLUMBUS, OHIO—Cognitive impairment at age 12 months predicts a subsequent diagnosis of autism spectrum disorder in children with tuberous sclerosis complex, according to researchers.
The relationship between intellectual disability and social-communication deficits among children with tuberous sclerosis complex, however, requires further investigation, said the investigators.
Shafali S. Jeste, MD, Assistant Professor in Psychiatry and Neurology at the University of California, Los Angeles, and colleagues conducted a longitudinal cohort study of infants with tuberous sclerosis complex to determine early clinical predictors of autism spectrum disorder and characterize the phenotype of autism in young children with tuberous sclerosis complex.
The researchers recruited infants with tuberous sclerosis complex and typically developing infants as young as 3 months and followed them longitudinally until age 36 months. They gathered data including standard cognitive and social-communication measures (ie, Mullen Scales of Early Learning, Autism Observation Scale of Infancy, and the Early Social Communication Scales), comorbidities questionnaires, and a detailed seizure history. Autism spectrum diagnosis was made using the Autism Diagnostic Observation Schedule and confirmed using best clinical estimate at ages 18, 24, and 36 months.
Of a population of 40 infants, 22 received a diagnosis of autism spectrum disorder. Children with autism had significantly greater cognitive delays by age 12 months and a significant decline in nonverbal IQ from ages 12 to 36 months, compared with children without autism. At 24 months, children with autism had significantly greater cognitive impairment, higher anxiety symptoms, more sleep impairment, and a trend toward greater seizure severity. Children not diagnosed with autism had subclinical evidence of social-communication impairment, particularly in language and play.
Do rTMS and Constraint Therapy Reduce Perinatal Stroke Hemiparesis?
Children with hemiparesis resulting from perinatal stroke perceive marked increases in goal-specific function following treatment with repetitive transcranial magnetic stimulation (rTMS) and constraint therapy, investigators reported.
Further study of noninvasive brain stimulation is feasible and may enhance motor learning therapy in such patients, according to the researchers.
Researchers previously had studied rTMS and constraint therapy in adults with stroke, but the treatments had not been examined in perinatal stroke. Adam Kirton, MD, Associate Professor of Pediatrics and Clinical Neurosciences at the University of Calgary in Canada, and colleagues conducted a blinded factorial trial of rTMS and constraint therapy in 45 children with perinatal stroke hemiparesis. Eligible participants were between ages 6 and 18, and the sample’s mean age was 11.
The children were randomized to daily inhibitory rTMS (ie, 1,200 stimulations at 1 Hz) over contralesional M1, constraint therapy, both treatments, or neither treatment. All interventions were administered for two weeks as part of a goal-directed, peer-supported motor learning camp.
The study’s primary outcome measure was the Canadian Occupational Performance Measure (COPM) at one, eight, and 24 weeks. Secondary outcomes included Assisting Hand Assessment (AHA), Melbourne Assessment (MA), safety, and tolerability. The researchers assessed change across treatment groups from baseline to six months and across all time points.
For all participants, COPM performance and satisfaction scores increased, and maximal gains were observed at six months. Linear mixed effects model analysis demonstrated effects of combined rTMS and constraint therapy on AHA gains at all time points. Constraint therapy alone increased AHA at two months, rTMS alone increased AHA at one week, and neither treatment decreased normal hand function. Affected hand function did not decrease with rTMS in children with ipsilateral corticospinal tract arrangements. The procedures were well tolerated.
Arbaclofen May Not Reduce Social Avoidance in Fragile X Syndrome
Arbaclofen may not reduce social avoidance among patients with fragile X syndrome, according to clinical trial results presented. The drug may modify the disease’s trajectory, however, and deserves further testing, said Elizabeth Berry-Kravis, MD, PhD.
Arbaclofen is a specific GABA-B agonist that has been approved to treat spasticity in multiple sclerosis. The drug improved several abnormal phenotypes in animal models of fragile X syndrome and showed promise in a phase II clinical trial. Dr. Berry-Kravis, Associate Professor of Biochemistry, Neurological Sciences, and Pediatrics at Rush Medical College in Chicago, and colleagues conducted two phase III placebo-controlled trials to determine the drug’s safety and efficacy for social avoidance in fragile X syndrome.
The investigators randomized 125 patients to arbaclofen or placebo in a flexible-dose trial. Eligible patients were between ages 12 and 50. In a separate fixed-dose trial, the researchers randomized 172 participants to 5 mg of arbaclofen twice per day, 10 mg of arbaclofen twice per day, 10 mg of arbaclofen three times per day, or placebo. Eligible subjects in this trial were between ages 5 and 11.
The primary end point for both trials was the Fragile X Syndrome Social Avoidance subscale of the Aberrant Behavior Checklist (ABC). Secondary outcomes included other ABC subscale scores, Clinical Global Impression–Improvement score, Clinical Global Impression-Severity score, and Vineland Socialization domain score.
The investigators observed no serious adverse events during the trial. The most common adverse events included headache, vomiting, nausea, irritability, anxiety, hyperactivity, decreased appetite, and infections. In all, 12 patients discontinued participation in the trial because of neurobehavioral adverse events.
The flexible-dose trial did not indicate a benefit for arbaclofen over placebo for any outcome. The highest dose group in the fixed-dose trial had significantly better outcome than those who received placebo on the ABC Fragile X Irritability subscale. The same group demonstrated a trend toward benefit on the ABC Fragile X Social Avoidance and Hyperactivity subscales.
“Data from secondary measures and the long-term treatment extension (improved Vineland Socialization [domain score]) suggest that some patients derive benefit, but these studies illustrate the challenges of translating targeted treatments from animal models to humans in fragile X syndrome,” said Dr. Berry-Kravis.
Everolimus Reduces SEGA Volume in Tuberous Sclerosis Complex
Everolimus, an mTOR inhibitor, significantly reduces the volume of subependymal giant cell astrocytoma (SEGA) in children with tuberous sclerosis complex, according to an extension analysis presented. In a phase III trial, the researchers did not find any new safety concerns to be associated with the drug.
David N. Franz, MD, Pediatric Neurologist at Cincinnati Children’s Hospital Medical Center, and colleagues enrolled 117 patients in a randomized, double-blind trial of everolimus. All patients had SEGA associated with tuberous sclerosis complex of at least 1 cm in diameter. Participants received either 4.5 mg/m2/day of oral everolimus or placebo. The primary end point was SEGA response rate, which the investigators defined as the proportion of patients with 50% or greater reduction in SEGA volume, compared with baseline.
Patients’ mean age was approximately 11, and mean SEGA volume was 2.6 cm³. Participants received treatment for a median of 41 months.
At the original cutoff of the trial, SEGA response rate was 34.6% for everolimus and 0.0% for placebo. At that point, patients on placebo were offered open-label everolimus in the extension phase of the trial. As of January 11, 2013, 111 patients had received at least one dose of everolimus and were included in the extension analysis. The overall SEGA response rate was 48.6%, and the SEGA response rate for everolimus increased steadily until week 96. The duration of SEGA response ranged from 2.1 to 31.1 months.
Adverse events were common, but their incidence decreased with time. Approximately 40% of patients had serious adverse events, and 19% were suspected to be associated with everolimus. The most frequent serious adverse events occurring in more than 3% of patients were pneumonia, pyrexia, gastroenteritis, and convulsion.
—Erik Greb