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J ECT. 2005 Dec;21(4):221-6.

One-year outcome of psychotic depression after successful electroconvulsive therapy.

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  • 1Department of Psychiatry, Erasmus Medical Centre, Rotterdam, The Netherlands. t.birkenhager@erasmusmc.nl

Abstract

BACKGROUND:

Psychotic depression is thought to have a higher relapse frequency after electroconvulsive therapy (ECT) compared with nonpsychotic depression, although this observation is contradicted by previous studies that have found the opposite. In this study, the 1-year risk of relapse after successful ECT was determined prospectively in patients with psychotic depression and compared with the risk of relapse observed for depressed patients without psychotic features.

METHOD:

Fifty-nine responders to ECT (a decrease in Hamilton Rating Scale for Depression [HAM-D] score > or = 50%) were followed for 1 year: 29 with and 30 without psychotic features. Relapse was defined as meeting DSM-IV criteria for major depressive disorder and a HAM-D score > or = 16. The frequency of relapse after 4 and 12 months was compared between both samples, adjusted for the co-variables duration of the index episode and type of post-ECT pharmacotherapy.

RESULTS:

: At both 4 and 12 months after ECT, instances of relapse were significantly lower in patients with psychotic depression compared with nonpsychotic patients: 3/28 (11%) versus 16/27 (59%) and 4/27 (15%) versus 19/28 (68%), respectively.

CONCLUSIONS:

The main finding of the present study is the favorable 1-year outcome for patients with psychotic depression after response to ECT with a trend toward the same result at 4 months. The 1-year outcome of the total sample is also more favorable than expected.

PMID:
16301881
[PubMed - indexed for MEDLINE]
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