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Structural lesion in the brain is a risk factor of childhood intractable epilepsy

K A Islam1, M M Rahman, S Akhter

  • 1Department of Paediatrcs, Bangabandhu Sheikh Mujib Medical University, Shahbagh, Dhaka, Bangladesh.

Mymensingh Medical Journal : MMJ
|February 9, 2012
PubMed

Insights

Pediatric intractable epilepsy often involves structural brain lesions detectable by neuroimaging. This study found a significantly higher rate of these abnormalities in children with intractable epilepsy compared to well-controlled cases.

Area of Science:

  • Neurology
  • Pediatrics
  • Medical Imaging

Background:

  • Intractable epilepsy is a significant challenge in pediatric neurology.
  • Approximately 80% of intractable epilepsy cases are symptomatic and linked to structural brain lesions.
  • Neuroimaging techniques are crucial for identifying these underlying structural abnormalities.

Purpose of the Study:

  • To investigate the prevalence and types of structural brain lesions in children with intractable epilepsy.
  • To compare neuroimaging findings between children with intractable epilepsy and those with well-controlled epilepsy.
  • To identify associations between specific neuroimaging abnormalities and epilepsy intractability.

Main Methods:

  • A study involving 104 children with epilepsy, divided into two groups: 52 with intractable epilepsy and 52 with well-controlled epilepsy.
  • Neuroimaging was performed on all participants.
  • Statistical analysis was used to compare demographic data, neuroimaging results, and clinical characteristics between the groups.

Main Results:

  • Abnormal neuroimaging findings were significantly more prevalent in the intractable epilepsy group (78.8%) compared to the well-controlled group.
  • Commonly detected lesions included cortical atrophy, ventricular dilatation, and encephalomalacia.
  • Bilateral lesions, multiple abnormalities, and focal neurological deficits were more frequently associated with intractable epilepsy.

Conclusions:

  • Structural brain lesions are a common finding in pediatric intractable epilepsy.
  • Neuroimaging plays a vital role in diagnosing the underlying causes of intractable epilepsy in children.
  • The presence of specific structural abnormalities and focal neurological deficits may predict epilepsy intractability.

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