Abstract：Objective To investigate the use of antiplatelet drugs in elderly outpatients with coronary heart disease in our hospital.Methods Altogether 100 prescriptions were randomly extracted from elderly outpatients with coronary heart disease every month from January to December 2018 and a total of 1200 prescriptions were selected for investigation analysis.Then the use of antiplatelet drugs was counted and analyzed.Results The percentage of the use of Aluminum Magnesium Aspirin, Aspirin, Clopidogrel and Ticagrelor was 5.67%, 53.67%, 23.67% and 0.67%, respectively.Among them, antiplatelet drugs were used in 848 prescriptions (70.67%), including 148 prescriptions (12.33%) for two antiplatelet drugs used and 700 prescriptions (58.33%) for one antiplatelet drug used.The most frequently prescribed antiplatelet drugs were Aspirin and Clopidogrel.Meanwhile, 12 unreasonable prescriptions (1.00%) were found in this study and all the unreasonable prescriptions were accounted for adverse drug interactions between Clopidogrel and proton pump inhibitors.Conclusion The proportion of antiplatelet drugs used in elderly outpatients with coronary heart disease in our hospital is relatively high and the traditional antiplatelet drug (Aspirin) is still the main used drug.The use of antiplatelet drugs is basically reasonable, but more attention to drug interactions between Clopidogrel and proton pump inhibitors should be paid.
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