Abstract
IntroductionAspirin is widely used for secondary prevention in patients with hypertension. However, previous studies mainly focused on the preventive effects of aspirin, and there has been a lack of reliable evidence on whether taking aspirin affects blood pressure This study aimed to investigate whether aspirin would affect the blood pressure in patients with hypertension.MethodsPubMed, Cochrane database, Embase, Scopus and Medline databases were searched until September 2023. For continuous variables (e.g., blood pressure reduction), the mean difference (MD) was selected as the effect magnitude indices. We used the Cochrane Collaboration’s Risk of Bias tool to assess the risk of bias.ResultA total of five studies were included, comprising 20,312 patients. We found that aspirin did not affect SBP (MD = -0.78, 95% CI: − 2.41, 0.84). A similar result was found for DBP (MD = -0.86, 95% CI: − 2.14, 0.42).ConclusionThis study showed no significant difference in blood pressure between the aspirin and control groups, suggesting that aspirin does not affect blood pressure.
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