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ABSTRACT
Although older adults are the fastest-growing age group among cardiovascular patients, nonagenarians with ST-segment elevation myocardial infarction (STEMI) are under-represented in clinical trials. The aims of this study are to analyze the clinical presentation and outcomes of nonagenarian patients presenting with STEMI and to compare in-hospital and 1-year clinical outcomes between those treated with optimal medical treatment alone and those receiving primary percutaneous coronary intervention (pPCI). We included all consecutive nonagenarians presenting with STEMI admitted in 2 academic centers between 2006 and 2018. There were no exclusion criteria. All-cause mortality was assessed in-hospital and at 1-year follow-up. In total, 167 patients (mean age 91.9 ± 0.17 years; 60% females) were included. Emergent catheterization was performed in 60% of our patients, and pPCI was performed in 50% (n = 83). Overall mortality was 22% in-hospital and 41% at 1-year follow-up. The pPCI group had lower mortality than the medical treatment group: 12% versus 32% in-hospital (p <0.01) and 26% versus 45% at 1-year follow-up (p <0.01), respectively. Multivariable analysis identified 4 independent predictors of all-cause mortality at 1 year: mechanical complications (adjusted odds ratio [OR] 9.25, p <0.01), Killip class III/IV (adjusted OR 4.22, p <0.01), serum creatinine at admission (mg/dl; adjusted OR 1.8, p <0.01), and pPCI (adjusted OR 0.52; p <0.05). In conclusion, STEMI in nonagenarians is becoming increasingly common. pPCI may be the preferred strategy in this high-risk cohort when a high grade of disability is not present. Hemodynamic compromise, the presence of complications related to myocardial infarction, renal impairment, and early revascularization may be related to prognosis in these patients.

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Aspecto clínico: Etiologia / Predição / Prognóstico Idioma: Inglês Revista: Am J Cardiol Ano de publicação: 2020 Tipo de documento: Artigo País de afiliação: Espanha