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Quantitative Autonomic Testing
11:40

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Published on: July 19, 2011

Complications during the Wada test.

Tobias Loddenkemper1, Harold H Morris, Gabriel Möddel

  • 1Department of Neurology, Cleveland Clinic, Cleveland, OH, USA. tobias.loddenkemper@childrens.harvard.edu

Epilepsy & Behavior : E&B
|July 2, 2008
PubMed
Summary
This summary is machine-generated.

The intracarotid amobarbital procedure (IAP) for epilepsy may cause complications in 11% of patients, including encephalopathy and seizures. Careful consideration of risks versus benefits is crucial before undergoing this diagnostic test.

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Area of Science:

  • Neurology
  • Neurosurgery
  • Diagnostic Imaging

Background:

  • The intracarotid amobarbital procedure (IAP) is a standard preoperative evaluation for epilepsy patients.
  • Previous studies noted dissections and seizures as IAP complications.
  • This study aimed to identify additional complications from the IAP.

Purpose of the Study:

  • To review a cohort of patients who underwent the intracarotid amobarbital procedure (IAP).
  • To identify and quantify additional complications associated with the IAP.
  • To analyze patient demographics and drug associations with specific complications.

Main Methods:

  • A retrospective chart review of 677 consecutive patients undergoing the IAP.
  • Documentation and categorization of all observed complications during the procedure.

Main Results:

  • Complications occurred in 10.9% of patients (74/677).
  • Common complications included encephalopathy (7.2%), seizures (1.2%), and strokes (0.6%).
  • Older patients had higher risks for strokes and dissections; younger patients had more seizures. Amobarbital was linked to encephalopathy, methohexital to seizures.

Conclusions:

  • The IAP carries a significant risk of complications, affecting up to 11% of patients.
  • Both minor and major complications can arise from the IAP.
  • When considering the IAP, a thorough assessment of risks, benefits, and alternative diagnostic options is essential.