Factors related to early hospital readmissions after Acute Myocardial Infarctions: a scoping review

ABSTRACT Objective: To map the diverse scientific evidence on factors related to early and unplanned hospital readmissions after Acute Myocardial Infarctions. Method: This scoping review was conducted in 2025 in the Biblioteca Virtual em Saúde, PubMed, Cochrane Library, Web of Science and Scopus databases. Results: A total of 18 studies were selected. The main factors include the following: female gender, advanced age, less than eight years of study, tobacco use disorder, sleep apnea, hospitalization times of at least four days and chronic comorbidities such as renal and cardiovascular diseases, diabetes mellitus and chronic obstructive pulmonary disease. Conclusion: Readmissions are influenced by multiple clinical, sociodemographic, organizational and behavioral factors, highlighting the importance of post-discharge follow-up strategies, transitional care protocols and properly connected healthcare networks, with a view to improving quality of life and optimizing the available resources.