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Related Concept Videos

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

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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Psychosurgery, the surgical alteration or permanent removal of brain tissue to alleviate severe psychological conditions, stands as one of the most radical and controversial treatments in the history of mental health care. Its development and application have evolved significantly, marked by dramatic shifts in scientific understanding and ethical perspectives.
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Related Experiment Video

Updated: Jul 5, 2026

Anteromesial Temporal Lobectomy for Medically Intractable Temporal Lobe Epilepsy: An Operative Study
11:29

Anteromesial Temporal Lobectomy for Medically Intractable Temporal Lobe Epilepsy: An Operative Study

Published on: August 15, 2025

[Does epilepsy surgery really lower mortality?].

P Ryvlin1, A Montavont

  • 1Service de neurologie fonctionnelle et d'épileptologie, CTRS-Inserm-institut des épilepsies de l'enfant et de l'adolescent (IDEE), hospices civils de Lyon, Inserm U821, Lyon, France. ryvlin@cermep.fr

Neuro-Chirurgie
|April 19, 2008
PubMed
Summary
This summary is machine-generated.

Patients with epilepsy face higher death risks, especially those with drug-resistant epilepsy undergoing surgery. Epilepsy surgery may reduce sudden unexpected death in epilepsy (SUDEP) risk for seizure-free patients, but more research is needed.

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Last Updated: Jul 5, 2026

Anteromesial Temporal Lobectomy for Medically Intractable Temporal Lobe Epilepsy: An Operative Study
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Frontal Disconnection for Treating Mild Malformation of Cortical Development with Oligodendroglial Hyperplasia in Epilepsy (MOGHE) in the Frontal Lobe
06:04

Frontal Disconnection for Treating Mild Malformation of Cortical Development with Oligodendroglial Hyperplasia in Epilepsy (MOGHE) in the Frontal Lobe

Published on: August 16, 2024

Area of Science:

  • Neurology
  • Neurosurgery
  • Epileptology

Context:

  • Patients with epilepsy have a 2-3 times higher mortality rate than the general population.
  • This risk increases to 5-fold in drug-resistant partial epilepsy patients eligible for surgery, with SUDEP being the primary cause of death.
  • The exact cause of SUDEP is unknown, but it often occurs during or immediately after a seizure.

Purpose:

  • To evaluate the impact of epilepsy surgery on seizure-related mortality and SUDEP.
  • To compare mortality rates between surgically and medically treated patients with refractory partial epilepsy.
  • To identify methodological limitations in previous studies and suggest future research directions.

Summary:

  • Studies comparing outcomes in operated patients show a lower SUDEP risk in those seizure-free post-surgery.
  • However, studies comparing surgically vs. medically treated patients with refractory epilepsy have not found significant differences in death or SUDEP rates.
  • Existing research is hampered by methodological limitations, preventing definitive conclusions on epilepsy surgery's impact on mortality.

Impact:

  • Epilepsy surgery may reduce SUDEP risk in select patients, highlighting the importance of achieving seizure freedom.
  • Further large-scale, multicenter studies are crucial to overcome current limitations and provide conclusive evidence on epilepsy surgery's effect on mortality.
  • Results from future studies could inform clinical practice and improve patient outcomes in epilepsy management.