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Public release date: 6-Jun-2012[ | E-mail |
Share ] Contact: Dawn Peters
healthnews@wiley.com
781-388-8408
Wiley-Blackwell
Seizure severity and antiepileptic drug polytherapy among predictors of poor seizure outcomes
A 25-year follow-up study reveals that 68% of patients with juvenile myoclonic epilepsy (JME) became seizure-free, with nearly 30% no longer needing antiepileptic drug (AED) treatment. Findings published today in Epilepsia, a journal of the International League Against Epilepsy (ILAE), report that the occurrence of generalized tonic-clonic seizures preceded by bilateral myoclonic seizures, and AED polytherapy significantly predicted poor long-term seizure outcome.
Patients with JME experience "jerking" of the arms, shoulders, and sometimes the legs. Previous evidence suggests that JME is a common type of epilepsy (in up to 11% of people with epilepsy), occurring more frequently in females than in males, and with onset typically in adolescence.. There is still much debate among experts over the long-term outcome of JME, and about which factors predict seizure outcome.
To further investigate JME outcomes and predictive factors, Dr. Felix Schneider and colleagues from the Epilepsy Center at the University of Greifswald in Germany studied data from 12 male and 19 female patients with JME. All participants had a minimum of 25 years follow-up which included review of medical records, and telephone or in-person interviews.
Sixty-eight percent of the 31 JME patients became free of seizures, and 28% discontinued AED treatment due to seizure-freedom. Significant predictors of poor long-term seizure outcome included: occurrence of generalized tonic-clonic seizures (GTCS - formerly known as grand mal seizures) that affect the entire brain and which are preceded by bilateral myoclonic seizures (abnormal movements on both sides of the body and a regimen of AED polytherapy.
Researchers also determined that remission of GTCS using AED therapy significantly increased the possibility of complete seizure-freedom. However, once AED therapy is discontinued, the occurrence of photoparoxysmal responses (brain discharges in response to brief flashes of light) significantly predicted an increased risk of seizure recurrence.
"Our findings confirm the feasibility of personalized treatment of the individual JME patient," concludes Dr. Schneider. "Life-long AED therapy is not necessarily required in many patients to maintain seizure freedom. Understanding the predictors for successful long-term seizure outcome will aid clinicians in their treatment options for those with JME."
###
This study is published in Epilepsia. Media wishing to receive a PDF of this article may contact healthnews@wiley.com.
Full citation:"Predictors for Long-Term Seizure Outcome in Juvenile Myoclonic Epilepsy: 25-63 Years Of Follow-Up." Julia Geithner, Felix Schneider, Zhong Wang, Julia Berneiser, Rosemarie Herzer, Christof Kessler and Uwe Runge. Epilepsia; Published Online: June 6, 2012 (DOI: 10.1111/j.1528-1167.2012.03526.x).
URL upon publication: http://doi.wiley.com/10.1111/j.1528-1167.2012.03526.x
Epilepsia is the leading, most authoritative source for current clinical and research results on all aspects of epilepsy. As the journal of the International League Against Epilepsy, subscribers every month will review scientific evidence and clinical methodology in: clinical neurology, neurophysiology, molecular biology, neuroimaging, neurochemistry, neurosurgery, pharmacology, neuroepidemiology, and therapeutic trials. For more information, please visit http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1528-1167.
The International League Against Epilepsy (ILAE) is the world's preeminent association of physicians and health professionals working toward a world where no person's life is limited by epilepsy. Since 1909 the ILAE has provided educational and research resources that are essential in understanding, diagnosing and treating persons with epilepsy. The ILAE supports health professionals, patients, and their care providers, governments, and the general public worldwide by advancing knowledge of epilepsy.
Wiley-Blackwell is the international scientific, technical, medical, and scholarly publishing business of John Wiley & Sons, with strengths in every major academic and professional field and partnerships with many of the world's leading societies. Wiley-Blackwell publishes nearly 1,500 peer-reviewed journals and 1,500+ new books annually in print and online, as well as databases, major reference works and laboratory protocols. For more information, please visit www.wileyblackwell.com or our new online platform, Wiley Online Library (wileyonlinelibrary.com), one of the world's most extensive multidisciplinary collections of online resources, covering life, health, social and physical sciences, and humanities.
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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Public release date: 6-Jun-2012[ | E-mail |
Share ] Contact: Dawn Peters
healthnews@wiley.com
781-388-8408
Wiley-Blackwell
Seizure severity and antiepileptic drug polytherapy among predictors of poor seizure outcomes
A 25-year follow-up study reveals that 68% of patients with juvenile myoclonic epilepsy (JME) became seizure-free, with nearly 30% no longer needing antiepileptic drug (AED) treatment. Findings published today in Epilepsia, a journal of the International League Against Epilepsy (ILAE), report that the occurrence of generalized tonic-clonic seizures preceded by bilateral myoclonic seizures, and AED polytherapy significantly predicted poor long-term seizure outcome.
Patients with JME experience "jerking" of the arms, shoulders, and sometimes the legs. Previous evidence suggests that JME is a common type of epilepsy (in up to 11% of people with epilepsy), occurring more frequently in females than in males, and with onset typically in adolescence.. There is still much debate among experts over the long-term outcome of JME, and about which factors predict seizure outcome.
To further investigate JME outcomes and predictive factors, Dr. Felix Schneider and colleagues from the Epilepsy Center at the University of Greifswald in Germany studied data from 12 male and 19 female patients with JME. All participants had a minimum of 25 years follow-up which included review of medical records, and telephone or in-person interviews.
Sixty-eight percent of the 31 JME patients became free of seizures, and 28% discontinued AED treatment due to seizure-freedom. Significant predictors of poor long-term seizure outcome included: occurrence of generalized tonic-clonic seizures (GTCS - formerly known as grand mal seizures) that affect the entire brain and which are preceded by bilateral myoclonic seizures (abnormal movements on both sides of the body and a regimen of AED polytherapy.
Researchers also determined that remission of GTCS using AED therapy significantly increased the possibility of complete seizure-freedom. However, once AED therapy is discontinued, the occurrence of photoparoxysmal responses (brain discharges in response to brief flashes of light) significantly predicted an increased risk of seizure recurrence.
"Our findings confirm the feasibility of personalized treatment of the individual JME patient," concludes Dr. Schneider. "Life-long AED therapy is not necessarily required in many patients to maintain seizure freedom. Understanding the predictors for successful long-term seizure outcome will aid clinicians in their treatment options for those with JME."
###
This study is published in Epilepsia. Media wishing to receive a PDF of this article may contact healthnews@wiley.com.
Full citation:"Predictors for Long-Term Seizure Outcome in Juvenile Myoclonic Epilepsy: 25-63 Years Of Follow-Up." Julia Geithner, Felix Schneider, Zhong Wang, Julia Berneiser, Rosemarie Herzer, Christof Kessler and Uwe Runge. Epilepsia; Published Online: June 6, 2012 (DOI: 10.1111/j.1528-1167.2012.03526.x).
URL upon publication: http://doi.wiley.com/10.1111/j.1528-1167.2012.03526.x
Epilepsia is the leading, most authoritative source for current clinical and research results on all aspects of epilepsy. As the journal of the International League Against Epilepsy, subscribers every month will review scientific evidence and clinical methodology in: clinical neurology, neurophysiology, molecular biology, neuroimaging, neurochemistry, neurosurgery, pharmacology, neuroepidemiology, and therapeutic trials. For more information, please visit http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1528-1167.
The International League Against Epilepsy (ILAE) is the world's preeminent association of physicians and health professionals working toward a world where no person's life is limited by epilepsy. Since 1909 the ILAE has provided educational and research resources that are essential in understanding, diagnosing and treating persons with epilepsy. The ILAE supports health professionals, patients, and their care providers, governments, and the general public worldwide by advancing knowledge of epilepsy.
Wiley-Blackwell is the international scientific, technical, medical, and scholarly publishing business of John Wiley & Sons, with strengths in every major academic and professional field and partnerships with many of the world's leading societies. Wiley-Blackwell publishes nearly 1,500 peer-reviewed journals and 1,500+ new books annually in print and online, as well as databases, major reference works and laboratory protocols. For more information, please visit www.wileyblackwell.com or our new online platform, Wiley Online Library (wileyonlinelibrary.com), one of the world's most extensive multidisciplinary collections of online resources, covering life, health, social and physical sciences, and humanities.
[ | E-mail | Share ] ?
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
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