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Infantile spasms
1Department of Neurology, The John M. Freeman Pediatric Epilepsy Center, The Johns Hopkins Hospital, Baltimore, MD 21287, USA. ekossoff@jhmi.edu
Insights
Infantile spasms (West syndrome) is a serious epilepsy affecting 1 in 2000 infants. While established treatments exist, newer therapies offer promise with fewer side effects for this rapidly evolving condition.
Area of Science:
- Pediatric Neurology
- Epileptology
Background:
- Infantile spasms (West syndrome) is a rare epilepsy affecting 1 in 2000 infants.
- Associated with significant developmental and cognitive delays.
- Limited effective, tolerable, and available therapies since 1841.
Purpose of the Study:
- To review clinical features, EEG findings (hypsarrhythmia), prognostic factors, and treatment options for infantile spasms.
- To discuss current and emerging therapeutic strategies.
Main Methods:
- Review of existing guidelines, surveys, and practice parameters.
- Discussion of established and novel treatment options.
- Inclusion of recent advances in animal models for treatment research.
Main Results:
- Adrenocorticotropin hormone and vigabatrin are established treatments; vigabatrin is indicated for tuberous sclerosis.
- Emerging therapies include high-dose oral prednisolone, ketogenic diet, and topiramate, potentially with fewer side effects.
- Development of animal models facilitates new treatment testing.
Conclusions:
- The field of infantile spasms research is experiencing rapid advancements.
- Timely intervention and exploration of new treatments are crucial for affected infants.
Background:
Infantile spasms (West syndrome) is an epilepsy condition affecting 1 in 2000 infants. Perhaps no more worrisome neurologic disorder exists because of its frequent association with delayed development and cognition at such a young age. Despite its existence in the literature since 1841, proven therapies are limited because of efficacy, tolerability, at times even availability.
Review Summary:
In this review, the clinical features, electroencephalogram (EEG) findings (hypsarrhythmia), prognostic factors, and myriad of treatment options for this condition will be discussed. Guidelines, surveys, and practice parameters have judged adrenocorticotropin hormone and vigabatrin to be the most proven treatments, with the latter indicated for tuberous sclerosis. However, potentially helpful therapies with fewer side effects have recently emerged including high-dose oral prednisolone, ketogenic diet, and topiramate. Additionally, advances in the past several years include the creation of viable animal models for testing new treatments.
Conclusions:
At no other time since its first description in 1841 has the field of infantile spasms research been so rapidly changing. For the thousands of infants faced with this potentially devastating disorder, there is no time like the present.
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