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Revista argentina de cardiología

versión On-line ISSN 1850-3748


TELAYNA, JUAN M. et al. Early Discharge in Acute ST-segment Elevation Myocardial Infarction Treated with Primary Angioplasty: Uncontrolled Intervention Study in Argentina. Rev. argent. cardiol. [online]. 2023, vol.91, n.5, pp.331-338. ISSN 1850-3748.

Background and objectives:

Early discharge (within the first 48 hours) in patients with ST-segment elevation myocardial infarction (STEMI) managed with primary percutaneous coronary intervention (PCI) with stenting is a strategy that has been adopted in developed countries. However, its implementation in South America has been uneven.


We conducted an uncontrolled intervention pilot study on low-risk STEMI patients managed with primary PCI to evaluate the early discharge rate and compare the incidence of major adverse cardiovascular events (MACE) with those occurring in patients discharged later.


Of 320 STEMI patients managed with primary PCI from 2013 to 2021, 158 were low-risk patients and 63.9% (95% CI 55.9-71,4%) of them were discharged early. Diabetes (OR 0.31, 95% CI 0.12-0.83), and anterior wall STEMI (OR 0.34, 95% CI 0.16-0.69) were independently associated with lower probability of early discharge. During a median follow-up period of

27.2 months, the incidence rate ratio of MACE between the early discharge and non-early discharge groups was 0.77 (95% CI 0.25-2.58; p = 0.61). The variables independently associated with MACE were complete revascularization (HR 0.18, 95% CI 0.03-0.95) and fluoroscopy time (HR 1.02, 95% CI 1.01-1.05). There were no significant differences in vascular access complications, 30-day readmission rate and overall survival between groups.


Early discharge in low-risk STEMI patients managed with primary PCI may be feasible even in developing countries, without significantly increasing morbidity and mortality.

Palabras clave : Patient Discharge; Percutaneous Coronary Intervention; Myocardial Infarction; Coronaryartery Occlusion.

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