Low-dose aspirin for prevention of cardiovascular mortality in patients with type 2 diabetes and chronic kidney disease: A real-world nationwide cohort study
JOURNAL OF DIABETES INVESTIGATION(2024)
Abstract
Aims/IntroductionCardiovascular mortality risk is elevated among patients with diabetes and concurrent chronic kidney disease. However, controversy surrounds the use of aspirin for primary prevention within this population. This study aims to assess the effectiveness and safety of low-dose aspirin for primary prevention in patients with diabetes and pre-end-stage renal disease.Materials and MethodsThis was a retrospective population-based cohort study using the National Health Insurance Research Database in Taiwan. The study included adults with type 2 diabetes who were enrolled in the pre-end-stage renal disease pay-for-performance program and had no atherosclerotic cardiovascular disease. We used propensity score analysis to control baseline characteristics between the two groups. Clinical outcomes including cardiovascular mortality, all-cause mortality, major bleeding, and renal disease progression were compared between patients who first received aspirin and those who did not.ResultsBetween January 2012 and December 2015, a total of 2,155 low-dose aspirin users and 6,737 nonaspirin users were identified. Following propensity score adjustment, aspirin use exhibited a comparable risk of cardiovascular death compared with nonaspirin users (adjusted hazard ratio [aHR] 1.12; 95% confidence interval [CI] 0.65-1.95; P = 0.681). The risk of all-cause mortality was similar between the two groups (aHR 1.07; 95% CI 0.92-1.24; P = 0.385). Similar risks were observed in terms of major bleeding and renal disease progression.ConclusionsIn patients with diabetes and pre-end-stage renal disease who lacked atherosclerotic cardiovascular disease, low-dose aspirin did not demonstrate a reduction in mortality. These findings do not support the use of aspirin for primary prevention in this high-risk population. This retrospective population-based cohort study aimed to assess the efficacy and safety of low-dose aspirin for primary prevention in patients with diabetes and pre-end-stage renal disease. This study showed that low-dose aspirin did not reduce cardiovascular mortality, nor increase the risk of major bleeding and renal disease progression. These findings do not support the use of aspirin for primary prevention in this high-risk population.image
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Key words
Aspirin,Chronic kidney disease,Diabetes
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