Prevalence and natural history of depression after stroke: A systematic review and meta-analysis of observational studies

Lu Liu, Min Xu, Iain J Marshall, Charles DA Wolfe, Yanzhong Wang and Matthew DL O’Connell

PLOS Medicine, 2023, vol. 20, issue 3, 1-21

Abstract: Background: Depression is the most frequent psychiatric condition after stroke and is associated with negative health outcomes. We aim to undertake a systematic review and meta-analysis of the prevalence and natural history of depression after stroke. Methods and findings: Studies published up to 4 November 2022 on Medline, Embase, PsycINFO, and Web of Science Core Collection were searched. We included studies of adults with stroke, where depression was assessed at a prespecified time point. Studies excluding people with aphasia and history of depression are excluded. Critical Appraisal Skills Programme(CASP) cohort study tool was used to assess risk of bias. A total of 77 studies were included in the pooled estimates of the prevalence of poststroke depression (PSD). The overall prevalence of depression was 27% (95% CI 25 to 30). Prevalence of depression was 24% (95% CI 21 to 28) by clinical interview and 29% (95% CI 25 to 32) by rating scales. Twenty-four studies with more than one assessment time point reported the natural history of PSD. Among people who were depressed within 3 months of stroke, 53% (95% CI 47 to 59) experienced persistent depression, while 44% (95% CI 38 to 50) recovered. The incidence of later depression (3 to 12 months after stroke) was 9% (95% CI 7 to 12). The cumulative incidence during 1 year after stroke was 38% (95% CI 33 to 43), and the majority (71% (95% CI 65 to 76)) of depression had onset within 3 months after stroke. The main limitation of the present study is that excluding people in source studies with severe impairments may produce imprecise estimates of the prevalence of PSD. Conclusions: In this study, we observed that stroke survivors with early-onset depression (within 3 months after stroke) are at high risks for remaining depressed and make up two-thirds of the incident cases during 1 year after stroke. This highlights the need for ongoing clinical monitoring of patients depressed shortly after stroke. Trial Registration: PROSPERO CRD42022314146. Lu Liu and colleagues present an updated systematic review and pooled analysis of depression after stroke.Why was this study done?: What did the researhers do and find?: What do these findings mean?:

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pmed00:1004200

DOI: 10.1371/journal.pmed.1004200

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