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Related Concept Videos

Seizures: Classification01:13

Seizures: Classification

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:
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...
Seizures l: Introduction01:20

Seizures l: Introduction

Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...
Seizures ll: Types01:19

Seizures ll: Types

Seizures are sudden bursts of abnormal electrical discharge in the brain that interfere with normal function. They are commonly divided into three groups: focal seizures, generalized seizures, and other types that do not fit neatly into either category.Focal SeizuresFocal seizures begin in a single brain region. When awareness is preserved, they are called focal aware seizures and may cause sensations such as tingling, unusual smells, or flashing lights. When awareness is impaired, they are...
Electroconvulsive Therapy01:30

Electroconvulsive Therapy

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 years,...

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Vagus Nerve Stimulation As an Adjunctive Neurostimulation Tool in Treatment-resistant Depression
04:29

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Published on: January 7, 2019

Vagus nerve stimulation for seizure control: Local experience.

J N Hsiang1, L K Wong, R Kay

  • 1Division of Neurosurgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong.

Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia
|July 22, 2008
PubMed
Summary

Vagus nerve stimulation (VNS) offers a new treatment for difficult epilepsy. This study reviews 6 Chinese patients receiving VNS, discussing its effectiveness and potential issues.

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Area of Science:

  • Neurology
  • Neurosurgery
  • Epilepsy Research

Background:

  • Intractable epilepsy presents a significant therapeutic challenge.
  • Vagus nerve stimulation (VNS) is an emerging treatment option for refractory epilepsy.
  • Global adoption of VNS is increasing, with over 800 implants worldwide.

Purpose of the Study:

  • To evaluate the safety and efficacy of VNS in Chinese epilepsy patients.
  • To present initial outcomes and discuss challenges associated with VNS implantation in this population.

Main Methods:

  • Retrospective case series of 6 patients with intractable epilepsy who underwent VNS.
  • Data collection on VNS implantation, patient demographics, seizure control, and adverse events.

Main Results:

  • Reported outcomes for 6 Chinese patients receiving VNS for intractable epilepsy.
  • Analysis of VNS indications and associated complications in the studied cohort.

Conclusions:

  • VNS is a viable therapeutic option for intractable epilepsy in Chinese patients.
  • Further research is needed to optimize VNS use and management in diverse populations.