What is the optimal weekly schedule for ECT in major depression?

Harrison Frost, Andrew Giam, Prashant Tibrewal, Tarun Bastiampillai

Research output: Contribution to journalLetterpeer-review


Dear Sir,
Electroconvulsive therapy (ECT) is an effective treatment for depression, but is associated with cognitive side-effects. These cognitive deficits often relate to the frequency of ECT sessions administered weekly. The Royal Australian and New Zealand College of Psychiatrists suggest clinician determination of frequency, without providing specific guidance.
A 2012 systematic review of ECT scheduling found ‘no significant difference between twice and thrice-weekly ECT in terms of antidepressant effect’, with a standardised mean difference of −0.10 (95% confidence interval −0.54 to 0.34). Additionally, superiority of thrice-weekly over once-weekly treatment was demonstrated...
Original languageEnglish
Pages (from-to)109
Number of pages1
JournalAustralasian Psychiatry
Issue number1
Early online date9 Dec 2022
Publication statusPublished - Feb 2023


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