Long-term follow-up in depressed patients treated with ECT

• Design: The aim was to study the long-term effects of electroconvulsive therapy (ECT) in depression. 55 patients were followed-up 20-24 years after an ECT series. 13 patients were still alive and 10 agreed to participate in the study. All 55 patients had been investigated with clinical and neuropsychological assessment and with neurophysiological measurements; regional Cerebral Blood Flow (rCBF) and EEG before the first ECT, six months later and after about one year. These investigations were now repeated in the 10 patients. Results: Before the original ECT series all patients had suffered from severe mood disorder. At the follow-up the 10 patients showed no clear signs of mood disorder or cognitive impairment. There was a slightly subnormal performance in working memory and in verbal as well as visual episodic memory on all three occasions after the ECT series. The rCBF measurement showed a significant average CBF decrease from the first to the last measurement. There was, moreover, a significant rCBF decrease in frontal areas at the last measurement compared to the three previous assessments. Conclusion: All ten patients followed-up 20 – 24 years after an ECT series were mentally healthy and thus besides a moderate visual memory dysfunction no severe side effects were observed with clinical and neuroimaging techniques.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Psykiatri (hsv//swe)

MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Psychiatry (hsv//eng)

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