Related Experiment Videos
Failed and short seizures associated with prior electroconvulsive therapy
K Tomasson1, G Winokur, B Pfohl
1National University Hospital, Department of Psychiatry, Reykjavík, Iceland.
European Archives of Psychiatry and Clinical Neuroscience
|January 1, 1992
Summary
Prior electroconvulsive therapy (ECT) may increase seizure duration and failure rates in men, but not women. This suggests a potential long-lasting effect of ECT on seizure characteristics, particularly in males undergoing the treatment.
Area of Science:
- Neurology
- Psychiatry
Background:
- Electroconvulsive therapy (ECT) is a medical treatment most often used for patients with severe major depression or bipolar disorder that has not responded to other treatments.
- Long-lasting effects of ECT are not well-documented, prompting further investigation into its impact on seizure physiology.
Purpose of the Study:
- To investigate whether prior electroconvulsive therapy (ECT) is associated with a long-lasting increase in seizure threshold.
- To determine if patients with a history of ECT experience more frequent failed or short seizures during subsequent treatments.
Main Methods:
- A retrospective review of treatment data was conducted.
- The study analyzed data from 114 males and 220 females who received electroconvulsive therapy.
Main Results:
- A significant association was found between prior ECT and an increased incidence of failed and short seizures in men.
- No such association was observed in women, indicating a potential sex-specific effect.
Conclusions:
- Prior electroconvulsive therapy may have a lasting impact on seizure characteristics, specifically increasing seizure duration and failure rates in males.
- These findings suggest that sex-specific considerations may be important when evaluating the long-term physiological effects of ECT.