The role of invasive therapies in elderly patients with acute myocardial infarction
AUTOR(ES)
Nicolau, José C., Lemos, Pedro A., Wajngarten, Maurício, Giraldez, Roberto R., Serrano Jr., Carlos V., Martinez, Eulógio E., Baracioli, Luciano M., Kalil, Roberto, Jatene, Fábio B., Dallan, Luis A., Puig, Luis B., Stolf, Noedir A.
FONTE
Clinics
DATA DE PUBLICAÇÃO
2009-06
RESUMO
INTRODUCTION: In elderly patients with acute myocardial infarction, very little is known about the role of surgical myocardial revascularization and percutaneous coronary intervention (invasive therapies - IT), especially in the context of long-term outcomes after hospital discharge. METHODS: We analyzed 1588 patients with MI who had been included prospectively in a databank and followed for up to 7.5 years. In this population, 548 patients were >70 years old (elderly group - EG), and 1040 were <70 years of age (younger group - YG); 1088 underwent IT during hospitalization, and the remaining 500 were treated medically (conservative therapy - CT). Patients were monitored either by visit or by phone at least once a year. A standard questionnaire was administered to all patients. The impact of IT was analyzed with both non-adjusted and adjusted models. RESULTS: By the end of the follow-up period, the survival rates for the IT and CT groups were, respectively, 71.9% versus 47.2% in the global population (hazard ratio=0.55, P<0.001), 81.5% versus 66.6% in the YG (hazard ratio=0.68, P=0.018) and 48.8% versus 20.3% in the EG (hazard ratio=0.58, P<0.001). In the adjusted models, the hazard ratios were 0.62 (P<0.001) in the global population, 0.74 in the YG (P=0.073) and 0.64 (P=0.001) in the EG. CONCLUSION: Long-term follow-up of patients with myocardial infarction revealed that IT during the in-hospital phase was at least as effective in elderly patients as in younger patients.
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