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Journal of ECT:
doi: 10.1097/YCT.0b013e31827a70ba
Original Studies

Transcranial Magnetic Stimulation Maintenance as a Substitute for Maintenance Electroconvulsive Therapy: A Case Series.

Cristancho, Mario A. MD*; Helmer, Amanda RN; Connolly, Ryan MD; Cristancho, Pilar MD§; O’Reardon, John P. MD

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Abstract

Background

Transcranial magnetic stimulation (TMS) is an efficacious, well-tolerated, noninvasive brain stimulation treatment for major depressive disorder. Electroconvulsive therapy (ECT) is an effective maintenance treatment for depression but is not tolerated by some patients and declined by others.

Objective

We evaluated the effectiveness of TMS as a substitution strategy for successful maintenance ECT.

Methods

A consecutive clinical case series (n = 6) of maintenance ECT patients were transitioned to maintenance TMS because of adverse effects from ECT or because of specific patient request and preference. Patients were in either full remission or had clinical response to ECT at the time of transition. Primary outcome was the change in the Beck Depression Inventory (BDI) score from initiation of TMS maintenance sessions to the last observation time point. Relapse of depressive symptoms was also documented.

Results

Mean age of patients was 64 years, and most were female (n = 5). The majority (5 of 6) were diagnosed with major depressive disorder. Reasons for transition from ECT to TMS were, in order of frequency, cognitive adverse effects, fear of general anesthesia, time burden, lack of remission with ECT, and stigma associated with ECT. The mean frequency of TMS sessions was 1 every 3.5 weeks. Based on BDI scores, all patients maintained or improved their clinical status achieved with ECT at 3 and 6 months of TMS treatment. At last observation (range, 7–23 months), 4 patients maintained or improved their clinical status (total BDI score remained constant or decreased by 1–8 points). Two patients had a relapse after 8 and 9 months. Stimulation was well tolerated with adverse effects limited to headache and scalp discomfort.

Conclusions

In this case series, TMS was effective and safe when used as a substitution strategy for successful maintenance ECT.

Copyright © 2013 by Lippincott Williams & Wilkins

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