Effect of Ticagrelor on Reducing the Risk of Gram-Positive Infections in Patients With Acute Coronary Syndrome

The American Journal of Cardiology
Lior LupuOfer Isakov

Abstract

In light of recent studies describing the antibacterial properties of ticagrelor, the association between treatment with ticagrelor and subsequent risk for infection following acute coronary syndrome (ACS) is taking on increased importance. A single center, retrospective, matched cohort analysis was performed. All patients older than 30 years of age admitted between January 1, 2013 and November 1, 2019 for an ACS and discharged with dual antiplatelet therapy (DAPT) were included. The primary outcome was defined as hospital admissions due to infections likely caused by gram-positive bacteria up to 1 year following the ACS hospitalization. The base cohort included 3,909 patients. About 2,035 (52.1%) were treated with ticagrelor and 1,874 (47.9%) with clopidogrel. Patients treated with ticagrelor had a 64% lower risk of gram-positive infection during the first year following hospitalization after adjusting for demographic and co-morbidity factors compared with those treated with clopidogrel (hazard ratio [HR], 0.36; 95% confidence interval [CI], 0.21 to 0.61; p <0.001). In a cohort starting from 1 year (conclusion of DAPT period) and up to 3 years following ACS hospitalization, the risk of gram-positive infection was comparable in...Continue Reading

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