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GW23-e0568
ONE-YEAR FOLLOW-UP OF BLEEDING ON ANTI-PLATELET DRUG USE IN PATIENTS WITH ACUTE MYOCARDIAL INFARCTION
  1. Zhou Aiqin1,
  2. Wang Xiaoping1,
  3. Liao Wei1,
  4. Zhou Aiqin2
  1. 1Department of Cardiology, The First Affiliated Hospital of Gannan University, Ganzhou 341000, China
  2. 2The First Affiliated Hospital of Gannan University, Ganzhou 341000, China

    Abstract

    Objectives The use of multiple antithrombotic drugs has increased the risk of major bleeding in acute myocardial infarction (AMI). We aimed to investigate the anti-platelet drug use after discharge in patients with in-hospital major bleeding.

    Methods 198 patients with AMI were divided into two groups according to bleeding in hospital: bleeding group (n=36) or non-bleeding group (n=198). The utilisation rates of the anti-platelet drug (aspirin and clopidogrel) were collected at discharge, in the first, sixth and twelfth month out of hospital.

    Results No significant differences were found in gender, age, weight, hypertension, diabetes mellitus, the history of PCI (16.9% vs 13.6%, p>0.05) or stenting (66.7% vs 65.2%, p>0.05). Compared with non-bleeding group, the patients in bleeding group were more older (62.6±16.2 vs 55.9±15.2 year, p<0.05), more with hypertension (69.4% vs 53.0%, p<0.05), more with chronic renal insufficiency (25.0% vs 12.1%, p<0.05). The aspirin usage in bleeding group was less than that in non-bleeding group at discharge (69.4% vs 91.9%, p<0.01, in the first month (65.7% vs 85.9%, p<0.01) and sixth were lower (61.6% vs 83.8% p<0.01), but no difference in the twelfth month (72.2% vs 82.8%, p>0.05). The clopidogrel usage in bleeding group was less than that in non-bleeding group at discharge (66.7% vs 87.4% p<0.01) and in the first month (65.7% vs 85.9% p<0.01), but no difference in the sixth (25.0% vs 39.4% p<0.01) and twelfth month (23.5% vs 28.3% p<0.01).

    Conclusions AMI patients with in-hospital major bleeding have significantly decreased 1-year utilisation rates of aspirin and clopidogrel. Further investigation is warranted to understand the prognosis underlying this relationship.

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