Do patients with bipolar disorders have an increased risk of stroke? A systematic review and meta-analysis.

Pak J Med Sci

Jiaojiao Yang, Department of Psychosomatic Disorders, Huzhou Third Municipal Hospital, The Affiliated Hospital of Huzhou University, Huzhou, Zhejiang Province 313000, P.R. China.

Published: December 2024

AI Article Synopsis

  • - The review aimed to determine if patients with bipolar disorder (BD) have a higher risk of stroke in comparison to those without BD.
  • - An analysis of eight studies involving nearly 9.2 million participants found that BD patients have a significantly increased risk of stroke (HR: 1.60), but results varied due to factors like study location and sample size.
  • - The conclusion suggests that while there is a clear risk for stroke among BD patients, the findings are limited by potential biases and differences among the studies, necessitating careful interpretation.

Article Abstract

Objective: The objective of the current review aimed to assess if patients with bipolar disorder (BD) have an increased risk of stroke.

Methods: A literature search was conducted on PubMed, Embase, ScienceDirect, and Web of Science for studies published from inception to 20 June 2023 and reporting the association between BD and stroke.

Results: Eight studies with 9187894 participants were eligible. Meta-analysis of all eight studies demonstrated that BD patients have an increased risk of stroke as compared to non-BD individuals (HR: 1.60 95% CI: 1.24, 2.05 I=94%). Results did not change in significance on sensitivity analysis. However, results varied on subgroup analysis based on study location, study type, sample size, and follow-up duration. The effect magnitude was unchanged based on the adjustment of diabetes and hypertension and study quality.

Conclusion: Patients with bipolar disorder (BD) may have an increased risk of stroke in comparison to the general population. The results are limited by the retrospective nature of the data and high inter-study heterogeneity which demand caution in the interpretation of the outcomes. PROSPERO (CRD42023434365), https://www.crd.york.ac.uk/prospero/.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11613353PMC
http://dx.doi.org/10.12669/pjms.40.11.10732DOI Listing

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