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Rev. bras. cir. cardiovasc ; 26(1): 21-26, jan.-mar. 2011. ilus, tab
Article in Portuguese | LILACS | ID: lil-624487

ABSTRACT

INTRODUÇÃO: Um crescente número de pacientes octogenários tem sido submetido à cirurgia de revascularização miocárdica (CRM). Os resultados em curto prazo desse procedimento têm sido amplamente estudados, mas há poucos relatos nacionais até o presente momento sobre os seus desfechos em longo prazo. OBJETIVOS: Descrever a mortalidade hospitalar e a sobrevida em longo prazo de pacientes com idade 80 anos submetidos à CRM isolada. MÉTODOS: Estudo de coorte retrospectivo com 142 pacientes consecutivos de idade 80 anos submetidos à CRM isolada no período de janeiro/1996 a dezembro/2007. A idade média (±dp) foi de 82,3±2,1 anos e 56,3% eram masculinos. A prevalência de hipertensão arterial sistêmica foi de 73,2%, infarto agudo do miocárdio prévio 30,3%, diabetes melito 26,8% e disfunção renal (creatinina ³ 2,0mg/ml) 4,9%. A mediana do seguimento foi de 4,0 anos, havendo perda de 11,6% dos pacientes. A análise da sobrevida foi feita pela curva de Kaplan-Meier. RESULTADOS: A mortalidade hospitalar geral foi de 14,8% (IC95%: 8,8-20,8), observando-se uma redução desse percentual ao longo do período estudado (1996-1999: 25,9%, 2000-2003: 15,8% e 2004-2007: 8,6%). A média de sobrevida foi de 6,5 anos (IC95%: 5,5-7,5), sendo a taxa de sobrevida em 1, 3 e 5 anos de 83,3, 79,5 e 77,3%, respectivamente. CONCLUSÕES: A média de sobrevida foi de 6,5 anos, sendo a taxa em 5 anos de 77,3%, dados condizentes com a literatura internacional.


INTRODUCTION: An increasing number of octogenarian patients is undergoing coronary artery bypass graft surgery (CABG). The short-term results of this procedure have been broadly studied, but there are few national reports on long-term outcomes. OBJECTIVES: To describe hospital mortality and long-term survival of patients aged > 80 years undergoing isolated CABG. METHODS: Retrospective cohort study with 142 consecutive patients aged > 80 years undergoing isolated CABG in the period between January/1996 and December/2007 in a Brazilian reference center. Mean age (± SD) was 82.3 ± 2.1 years, and 56.3% were male. The prevalence of hypertension was 73.2%, of previous myocardial infarction 30.3%, of diabetes 26.8%, and of renal dysfunction (creatinine ³ 2.0 mg/ml) was 4.9%. The median follow-up was 4.0 years, with a loss of 11.6% of patients. Survival analysis was performed by the Kaplan-Meier method. RESULTS: Overall hospital mortality was 14.8% (95% CI: 8.8 to 20.8), with a reduction of this rate during the study period (1996-1999: 25.9%, 2000-2003: 15.8%, and 2004-2007: 8.6%). Mean survival was 6.5 years (95% CI: 5.5 to 7.5), and the survival rate at 1, 3 and 5 years was 79.4, 73.4 and 65.2%, respectively. CONCLUSION: Results are in agreement with international reports. Mean survival was 6.5 years and the survival rate at 5 years was 65.2%.


Subject(s)
Aged, 80 and over , Female , Humans , Male , Coronary Artery Bypass/mortality , Hospital Mortality , Survivors/statistics & numerical data , Follow-Up Studies , Kaplan-Meier Estimate , Retrospective Studies , Time Factors
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