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Fifteen elderly depressed patients were treated by 36-hour sleep deprivation (SD). The depression was unipolar in 3 cases, bipolar in 3, and secondary in 4. Nine of the 15 patients responded to SD, and 6 had a remission (1 with SD alone and 5 with SD plus an antidepressant drug). Some of the remaining 6 patients might have responded if the treatment had not been interrupted for various reasons. These favorable results in elderly patients were better than anticipated. SD was well tolerated, although in one patient with bipolar depression a manic attack was precipitated. The effectiveness of SD poses interesting theoretic questions.
Cole et al. (Thu,) studied this question.
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