Background. The aim of this study was to analyze the characteristics and outcomes of patients with acute coronary syndrome (ACS) in relation to country of origin. Methods. The study population included patients living in the Emilia-Romagna Region and discharged from 2012 to 2014 with a diagnosis of acute myocardial infarction (with [[]STEMI] and without ST-elevation). The study outcomes were: percutaneous coronary intervention (PCI) within 48 hours of admission for STEMI, 30-day all-cause mortality, 1-year all-cause mortality, 1-year major adverse cardiac and cerebrovascular events (MACCE), and adherence to post-infarction medications. The relationship between outcomes and citizenship was investigated using multiple regression analysis. Potential confounders were identified among diagnoses recorded in the index hospitalization and in all hospitalizations occurring 2 years prior to the index hospitalization. Results. Of the 23 884 study patients, 647 (2.7[%]) were non-Italians. The mean age of onset of ACS was lower among immigrants (56 years) than among Italians (73 years). Thirty-day mortality was 9.6[%] while 1-year mortality and MACCE were 19.8[%] and 20.8[%], respectively. The proportion of PCI within 48 hours was 63.2[%], while patients adherent to medications were 31.0[%]. Compared with Italians, patients from Africa and Asia had a reduced probability of undergoing PCI and were less adherent to medications. Adjusted mortality rates were similar between Italians and immigrants, while patients from Asia had a 62[%] increased probability of experiencing a MACCE during follow-up. Conclusions. Compared with Italians, immigrant citizens with ACS were younger, less likely to undergo PCI, and less adherent to drug treatment after discharge. Further studies are warranted to identify the determinants of these disparities and to develop organizational models tailored to the specific needs of immigrant patients.

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hospital admission Myocardial Infarction heart infarction hospital discharge follow up clinical feature human middle aged Asia comparative study Aged medication compliance Humans migrant Treatment Outcome male Emigrants and Immigrants Italian (citizen) female Africa observational study major adverse cardiac event non ST segment elevation myocardial infarction Article percutaneous coronary intervention ST segment elevation myocardial infarction major clinical study acute coronary syndrome health care quality cardiovascular mortality outcome assessment Italy citizenship onset age health care need