A review of continuation electroconvulsive therapy: Application, safety, and efficacy

Research output: Contribution to journalReview article

54 Scopus citations

Abstract

Electroconvulsive therapy (ECT) is a neurostimulation therapeutic intervention that is highly effective and frequently used to treat certain psychiatric conditions, particularly major depressive disorder. Despite its high efficacy, a major limitation of ECT is the significant rate at which patients relapse after treatment. Providing additional ECT treatments after completion of a short-term course of ECT, referred to as continuation ECT (C-ECT), is a strategy used to reduce the risk of relapse. Specifically, C-ECT involves the administration of additional ECT treatments during the 6-month period after remission. This article summarizes the available literature regarding C-ECT including indication for use, patient selection, treatment guidelines/ parameters, and safety. The efficacy of C-ECT is also discussed, with a focus on major depressive disorder and schizophrenia. On the basis of the current literature, indications for use and patient selection for C-ECT are predominately similar to those for a short-term ECT course. The treatment guidelines/parameters for C-ECT are recommended to be consistent with the parameters used to achieve remission, with the exception of greater intertreatment intervals during C-ECT. Although adverse cognitive effects can occur during C-ECT, the risk and severity of cognitive impairment are generally low, possibly because of the greater intertreatment intervals. Most research supports the use of C-ECT to prolong remission; however, methodologic limitations mitigate firm conclusions and generalizability of these findings. Nonetheless, the available evidence supports the use of C-ECT as a safe and effective method in relapse prevention.

Original languageEnglish (US)
Pages (from-to)186-195
Number of pages10
JournalJournal of ECT
Volume26
Issue number3
DOIs
StatePublished - Sep 1 2010

Keywords

  • continuation ECT
  • electroconvulsive therapy
  • neurostimulation

ASJC Scopus subject areas

  • Neuroscience (miscellaneous)
  • Psychiatry and Mental health

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