Abstract 357: Comparison of Comorbidities Between Patients Admitted With Index Myocardial Infarction and Recurrent Myocardial Infarction

Abstract

Background: Several comorbidities are known to increase the risk of coronary artery disease. However, the relationship between modifiable risk factors and recurrent Myocardial Infarction (MI) has not been clearly defined. The purpose of our study was to assess if there were certain comorbidities that increase the risk of recurrent myocardial infarction. Methods: We reviewed 6,626 cases of MI at a single quaternary care medical center from January 1 st , 2010 to January 1 st , 2017 (29% STEMI, 71% NSTEMI), and we identified all cases of readmission with a recurrent MI within 90 days after index MI. All patients with index MI were screened for accompanying comorbidities and compared with patients with recurrent MI. Results: There were a total of 2051 readmissions (31%) within 90-days of index MI, of which 168 readmissions were for recurrent MI. Hypertension and Dyslipidemia appeared to be the most prominent modifiable risk factors in patients with index MI and recurrent MI (86%, 94% for HTN & 81%, 93% for DLP). All comorbidities were substantially more prevalent in patients with recurrent MI than in patients with index MI. Conclusion: Patients with recurrent MI have a higher risk factor burden than the general population with MI. This highlights the importance of risk factor management in patients with acute Myocardial infarction.