Comparison of Myocardial Infarction Patients Who Were Prescribed a Novel Antiplatelet Agent or Clopidogrel

Myocardial infarction is defined according to icd-10 using the data base of South korea National Health Insurance Corporation, where personal identification information has already been removed, and detailed results are derived for each drug category.

Inclusion Criteria:Patients who have a diagnosis code for acute myocardial infarction indicated in the National Health Insurance data and data for drugs that have used ticagrelor/prasugrel for 30-90 days when hospitalized for the relevant disease.Patients who switched to clopidogrel after 30-90 days.Patients with a diagnosis code for Venus myocardial infarction and a prescription code for percutaneous cardiovascular intervention in the National Health Insurance data.Adults 18 years of age or olderExclusion Criteria:A person who has data for requesting blood transfusion during the period of hospitalization in the National Health Insurance dataThose who have data for oral anticoagulants (warfarin, Coumadin, apixaban, edoxaban, dabigatran, rivaroxaban) in the National Health Insurance dataThose who have a diagnosis code for malignant tumor in the National Health Insurance dataThose who have end-stage renal failure code in the National Health Insurance data or those who have data for hemo/peritoneal dialysisA person who has a request for blood transfusion during the period of using Ticagrelor/prasugrel