Observational studyCardiovascular drugs and therapy2026
Safety Analysis of Spironolactone Use in Patients Undergoing Percutaneous Coronary Intervention with High Bleeding Risk: A Propensity Score-Matched Study.
Observational study in Cardiovascular drugs and therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
10 authors.
Funding
Abstract
purposeSpironolactone has been reported to increase the risk of upper gastrointestinal bleeding in patients. We aimed to validate this perspective in a population of patients undergoing percutaneous coronary intervention with high bleeding risk (PCI-HBR).
methodsWe prospectively included a total of 1616 PCI-HBR patients who were treated at West China Hospital of Sichuan University from May 2022 to July 2024. These patients were divided into a spironolactone treatment group (n = 301) and a non-spironolactone treatment group (n = 1315). A propensity score matching was performed at a 1:4 ratio, and Cox regression analysis was conducted on the matched data. Additionally, Kaplan-Meier curves were plotted to evaluate the direct correlation between spironolactone use and gastrointestinal bleeding. And the subgroup analysis is used to assess the robustness of the results.
resultsIn this study, after propensity score matching, a total of 927 patients were included in the outcome analysis, with 259 in the spironolactone group and 668 in the non-spironolactone group. Throughout the follow-up period, 14 (5.4%) and 42 (6.3%) patients experienced BARC 2-5 gastrointestinal bleeding events in the spironolactone and non-spironolactone groups, respectively, while 6 (2.3%) and 24 (3.6%) patients experienced BARC 3-5 gastrointestinal bleeding. The incidence of BARC 2-5 gastrointestinal bleeding was comparable between the groups (14/259 [5.4%] vs. 42/668 [6.3%]; HR 0.88 [0.48-1.62], p = 0.689), as was the incidence of BARC 3-5 gastrointestinal bleeding (6/259 [2.3%] vs. 24/668 [3.6%]; HR 0.69 [0.28-1.68], p = 0.410). No statistically significant interactions were found between spironolactone use and clinical variables such as acute coronary syndrome, diabetes, and chronic kidney disease concerning the risk of gastrointestinal bleeding.
conclusionsIn summary, our prospective cohort study, which used propensity score matching, represents the first comprehensive investigation of spironolactone usage in PCI-HBR patients. Our results underscore that cardiologists need not routinely consider the risk of spironolactone-induced bleeding when making decisions about its use in patients. Larger randomized trials or analyses from existing randomized trials on spironolactone are warranted to draw definitive conclusions about the potential association between spironolactone and bleeding.
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