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Intracarotid amobarbital procedure for epilepsy surgery
Ashwini Sharan1, Yinn Cher Ooi, John Langfitt
1Department of Neurological Surgery, Thomas Jefferson University, Philadelphia, PA 19107, USA.
Epilepsy & Behavior : E&B
|December 31, 2010
Summary
The intracarotid amobarbital procedure (Wada test) is debated for epilepsy surgery evaluation due to risks and newer methods. Its clinical use and efficacy require re-examination for preoperative patient assessment.
Area of Science:
- Neurology
- Neurosurgery
- Epileptology
Background:
- The intracarotid amobarbital procedure (IAP) has historically determined language dominance and amnesia risk before epilepsy surgery.
- Angiography risks and advancements in noninvasive techniques challenge the IAP's continued necessity.
Purpose of the Study:
- To review the clinical indications for the Wada test in epilepsy surgery candidates.
- To assess the efficacy of the Wada test in preoperative evaluations.
- To summarize a debate on the IAP's role in current practice.
Main Methods:
- Review of clinical indications and efficacy of the Wada test.
- Summary of a debate from the 2009 American Epilepsy Society (AES) annual course.
Main Results:
- The IAP's long-standing use is contrasted with emerging noninvasive alternatives.
- The debate highlights questions regarding the IAP's current relevance in epilepsy surgery evaluations.
Conclusions:
- The necessity of the Wada test for epilepsy surgery evaluation is increasingly questioned.
- Further examination of the IAP's indications and efficacy is warranted in light of technological advancements.
