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Bilateral sinusoidal ECT following poor response to five unilateral brief-pulse ECTs
The Journal of Clinical Psychiatry
|October 1, 1985
Summary
Twelve of 31 depressed patients did not respond to brief-pulse electroconvulsive therapy (ECT). However, eight of these patients fully responded to sinusoidal electroconvulsive therapy (ECT), suggesting stimulus type impacts treatment outcomes.
Area of Science:
- Neuroscience
- Psychiatry
- Clinical Medicine
Background:
- Electroconvulsive therapy (ECT) is a common treatment for severe depression.
- Treatment resistance remains a challenge in managing major depressive disorder.
- Different ECT stimulus parameters may influence therapeutic efficacy.
Purpose of the Study:
- To investigate the efficacy of switching ECT stimulus type in treatment-resistant depression.
- To compare patient response to unilateral brief-pulse versus bilateral sinusoidal ECT.
Main Methods:
- A cohort of 31 patients with major depressive disorder was studied.
- Twelve patients initially unresponsive to five unilateral brief-pulse ECT sessions were identified.
- These 12 patients subsequently received bilateral sinusoidal ECT.
Main Results:
- Eight out of the 12 non-responsive patients achieved a full therapeutic response after switching to bilateral sinusoidal ECT.
- This indicates a significant treatment effect in a subset of non-responders.
Conclusions:
- The type of electroconvulsive therapy (ECT) stimulus may play a critical role in achieving therapeutic outcomes for some patients with depression.
- Bilateral sinusoidal ECT can be an effective alternative for patients who do not respond to unilateral brief-pulse ECT.