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Lookup NU author(s): Dr Iain McKinnonORCiD, Dr Stuart WatsonORCiD, Professor Hamish McAllister-WilliamsORCiD
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BackgroundDepression is associated with increased mortality, with underlying causes unclear. We conducted a systematic review and meta-analysis of cardiovascular (CV) mortality in depression and how antidepressant treatments and comorbidities modify this.MethodsWe searched Medline, Embase, Scopus, Web of Science and Cochrane registers (inception to 31 December 2024) for randomized controlled trials (RCTs) and observational studies comparing CV mortality in adults with depression vs without, and receiving antidepressants vs controls. We excluded studies with <12 months follow-up, reporting only all-cause mortality or lacking control groups. Random-effects meta-analyses were conducted with CV mortality as the primary outcome. Risk of bias was assessed with RoB 2 and ROBINS-I. PROSPERO: CRD42020200812.ResultsWe included 7 RCTs and 47 cohort studies (1,593,722 people). In multivariable-adjusted cohorts (k=26), depression was associated with a significantly higher CV mortality versus no-depression (hazard ratio [HR] 1.45, 95%CI 1.25-1.69). Effects were similar in non-selected community-dwelling cohorts and those with CV disease or type 2 diabetes. Antidepressants overall were associated with increased CV mortality in cohorts but after adjustment only tricyclic antidepressants (TCAs) had significantly increased risk vs no antidepressant (k=4; HR 1.27, 95%CI 1.02-1.58). RCT findings were directionally consistent but underpowered.ConclusionsDepression is associated with increased risk of CV mortality irrespective of cohort studied. Antidepressants do not appear to modify this risk, apart from TCAs, which may increase it. The antidepressant models in particular had high heterogeneity, reflecting a knowledge gap on the long-term effects of antidepressants in patients with depression on CV mortality.
Author(s): Costa T, Hall B, Hill S, Teama R, Romaine E, Ahmed S, McKinnon I, Watson S, Bagnall A, Kenny R, McAllister-Williams RH
Publication type: Article
Publication status: In Press
Journal: Journal of Psychopharmacology
Year: 2026
Acceptance date: 23/02/2026
ISSN (print): 0269-8811
ISSN (electronic): 1461-7285
Publisher: Sage Publications Ltd.
