• J Res Med Sci · Jan 2024

    Predictors of gastrointestinal bleeding in patients with acute coronary syndrome and the optimal duration of dual antiplatelet therapy.

    • Yanyu Wang, Yingle Wu, Jingqiao Wang, Hengliang Zhang, Laijing Du, Ke Wang, and Hongqiang Duan.
    • Department of Cardiology, The First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, China.
    • J Res Med Sci. 2024 Jan 1; 29: 1515.

    BackgroundThis study aims to estimate the risk factors of gastrointestinal (GI) bleeding in patients with acute coronary syndrome (ACS) and to evaluate the optimal duration of dual antiplatelet therapy (DAPT).Materials And MethodsWe enrolled 1266 patients with ACS in a telephone follow-up program to determine whether any of the patients were hospitalized for GI bleeding. We collected baseline data, laboratory tests, electrocardiograms, and echocardiography covering all ACS patients. Multivariable regression was performed to adjust for confounders and predictors of GI bleeding. At the same time, the optimal duration of DAPT for ACS patients was evaluated.ResultsA total of 1061 ACS patients were included in the study. After 13-68 months, 48 patients (4.5%) were hospitalized for GI bleeding. The risk of GI bleeding was significantly increased in patients treated with DAPT for more than 18 months (hazard ratio 12.792, 5.607-29.185, P < 0.01). Receiver Operating Characteristic curve showed that the duration of DAPT using a cutoff of 14.5 months resulted in a sensitivity of 66.7% and a specificity of 77%.ConclusionIn patients with ACS, DAPT time are the main risk factors of GI bleeding. The optimal duration of DAPT is 14.5 months.Copyright: © 2024 Journal of Research in Medical Sciences.

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