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Nineteen articles met final inclusion criteria for meta\u2010analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The pooled response and remission rates with <jats:styled-content style=\"fixed-case\">ECT<\/jats:styled-content> in <jats:styled-content style=\"fixed-case\">MDD<\/jats:styled-content> were 74.2% (<jats:italic>n<\/jats:italic> = 1246\/1680) and 52.3% (<jats:italic>n<\/jats:italic> = 850\/1626), respectively. In <jats:styled-content style=\"fixed-case\">BDD<\/jats:styled-content>, they were 77.1% (<jats:italic>n<\/jats:italic> = 437\/567) and 52.3% (<jats:italic>n<\/jats:italic> = 275\/377), respectively. Although response rates to <jats:styled-content style=\"fixed-case\">ECT<\/jats:styled-content> were statistically higher in <jats:styled-content style=\"fixed-case\">BDD<\/jats:styled-content> (<jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content> = 0.73, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>: 0.56\u20130.95, <jats:italic>P<\/jats:italic> = 0.02), remission rates were similar (<jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content> = 0.91, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>: 0.65\u20131.26, <jats:italic>P<\/jats:italic> = 0.56). Individuals with <jats:styled-content style=\"fixed-case\">BDD<\/jats:styled-content> vs. <jats:styled-content style=\"fixed-case\">MDD<\/jats:styled-content> required fewer number of <jats:styled-content style=\"fixed-case\">ECT<\/jats:styled-content> sessions to achieve response (<jats:styled-content style=\"fixed-case\">SMD<\/jats:styled-content> = \u22120.23, 95% <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>: \u22120.44 to \u22120.023, <jats:italic>P<\/jats:italic> = 0.03). There were no significant moderator effects identified.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Response rates and speed of response are higher in individuals with <jats:styled-content style=\"fixed-case\">BDD<\/jats:styled-content>; however, remission rates are equivalent. These findings support increased utilization of <jats:styled-content style=\"fixed-case\">ECT<\/jats:styled-content> in individuals with treatment\u2010refractory <jats:styled-content style=\"fixed-case\">BDD<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/acps.12994","type":"journal-article","created":{"date-parts":[[2018,12,3]],"date-time":"2018-12-03T08:15:12Z","timestamp":1543824912000},"page":"214-226","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":143,"title":["<scp>ECT<\/scp> beyond unipolar major depression: systematic review and meta\u2010analysis of electroconvulsive therapy in bipolar depression"],"prefix":"10.1111","volume":"139","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3490-314X","authenticated-orcid":false,"given":"A.","family":"Bahji","sequence":"first","affiliation":[{"name":"Department of Psychiatry Providence Care Hospital, Queen's University Kingston ON Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E. 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