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Related Concept Videos

Arteries of the Lower Limbs01:24

Arteries of the Lower Limbs

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Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
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Seizures: Classification01:13

Seizures: Classification

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Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
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Electroconvulsive Therapy01:30

Electroconvulsive Therapy

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Electroconvulsive therapy (ECT), or shock therapy, remains a critical biomedical intervention for severe, treatment-resistant depression. While its origins can be traced back to Hippocrates' observations that malaria-induced convulsions alleviated mental illness, modern ECT has evolved significantly from its earlier, more primitive applications. First introduced in 1938 by Ugo Cerletti and his colleagues, ECT involves inducing controlled seizures using electrical currents. In its early...
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Related Experiment Video

Updated: Jun 6, 2025

Network Analysis of Foramen Ovale Electrode Recordings in Drug-resistant Temporal Lobe Epilepsy Patients
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Epilepsy surgery for postinfectious lesions: A review.

Georgia Ramantani1, Antonio Giulio Gennari2, Hans Holthausen3

  • 1University Children's Hospital, Department of Neuropediatrics, and University of Zurich, Zurich, Switzerland.

Epilepsy & Behavior : E&B
|November 30, 2024
PubMed
Summary

Epilepsy surgery can be highly effective for patients with post-cerebral infection epilepsy, especially those with mesial temporal sclerosis (MTS). Careful patient selection is crucial for successful surgical outcomes in managing this challenging condition.

Keywords:
EncephalitisEpilepsy surgeryHemispherotomyHippocampal sclerosisMeningitisRefractory epilepsy

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Area of Science:

  • Neurology
  • Neurosurgery
  • Infectious Diseases

Background:

  • Cerebral infections are a significant cause of focal epilepsy, particularly in developing nations.
  • Pharmacoresistant epilepsy is common post-infection, yet surgical referral rates remain low.
  • Mesial temporal sclerosis (MTS), often linked to early-life meningitis or encephalitis, predicts good surgical outcomes.

Purpose of the Study:

  • To review the role and outcomes of epilepsy surgery in patients with post-infectious epilepsy.
  • To identify patient subgroups who are optimal candidates for surgical intervention.
  • To highlight the importance of surgical management for selected cases of post-infectious epilepsy.

Main Methods:

  • Literature review focusing on epilepsy surgery in the context of cerebral infections.
  • Analysis of surgical outcomes based on epilepsy etiology, lesion type, and surgical procedure.
  • Evaluation of factors influencing surgical success, including patient age and specific infection types.

Main Results:

  • Temporal resections are most common and successful for MTS-related epilepsy.
  • Extratemporal resections are less successful, particularly in multifocal or parasitic infections.
  • Hemispheric procedures can yield favorable outcomes in severe unilateral cases; post-viral encephalitis surgery is variable.

Conclusions:

  • Epilepsy surgery offers significant benefits for carefully selected patients with post-infectious epilepsy.
  • Early identification and referral for surgical evaluation are critical for improving seizure control.
  • Further research into optimizing surgical strategies for diverse post-infectious epilepsy etiologies is warranted.