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Rev. esp. cardiol. (Ed. impr.) ; 67(6): 471-478, jun. 2014. ilus, tab
Artigo em Espanhol | IBECS | ID: ibc-123221

RESUMO

Introducción y objetivos El paciente con síndrome coronario agudo con antecedentes de cardiopatía isquémica, arteriopatía periférica y/o accidente cerebrovascular previos muestra un peor pronóstico. Sin embargo, la relación existente entre dichos antecedentes y el pronóstico a largo plazo no ha sido aclarada del todo. Métodos Estudio prospectivo de 4.247 pacientes con infarto agudo de miocardio y segmento ST elevado. Se obtuvo información clínica detallada que incluye los antecedentes de cardiopatía isquémica, arteriopatía periférica y accidente cerebrovascular. Estudiamos la mortalidad intrahospitalaria y a largo plazo (mediana, 7,2 años) mediante modelos ajustados. Resultados Se observó que 1.131 (26,6%) pacientes tenían un territorio enfermo y 221 (5,2%), ≥ 2 territorios. La mortalidad hospitalaria total fue del 12,3% y la densidad de incidencia de mortalidad a largo plazo fue de 3,5/100 pacientes-año. Los antecedentes de cardiopatía isquémica (odds ratio = 0,83; p = 0,35), arteriopatía periférica (odds ratio = 1,30; p = 0,34) y accidente cerebrovascular (odds ratio = 1,15; p = 0,59) no fueron predictores independientes de mortalidad hospitalaria. En un modelo ajustado, los dos últimos fueron predictores de mortalidad a largo plazo (hazard ratio = 1,57; p < 0,001; y hazard ratio = 1,34; p = 0,001, respectivamente). La afección de ≥ 2 territorios vasculares fue predictora de mortalidad a largo plazo (hazard ratio = 2,35; p < 0,001), aunque no de mortalidad intrahospitalaria (odds ratio= 1,07; p = 0,844).Conclusiones En el infarto de miocardio con segmento ST elevado, la carga vascular previa condiciona mayor mortalidad a largo plazo. Individualmente, la arteriopatía periférica y el accidente cerebrovascular previos son predictores de muerte tras el alta (AU)


Introduction and objectives Patients with a current acute coronary syndrome and previous ischemic heart disease, peripheral arterial disease, and/or cerebrovascular disease are reported to have a poorer outcome than those without these previous conditions. It is uncertain whether this association with outcome is observed at long-term follow-up. Methods Prospective observational study, including 4247 patients with ST-segment elevation myocardial infarction. Detailed clinical data and information on previous ischemic heart disease, peripheral arterial disease, and cerebrovascular disease («vascular burden») were recorded. Multivariate models were performed for in-hospital and long-term (median, 7.2 years) all-cause mortality. Results One vascular territory was affected in 1131 (26.6%) patients and ≥ 2 territories in 221 (5.2%). The total in-hospital mortality rate was 12.3% and the long-term incidence density was 3.5 deaths per 100 patient-years. A background of previous ischemic heart disease (odds ratio = 0.83; P = .35), peripheral arterial disease (odds ratio = 1.30; P = .34), or cerebrovascular disease (stroke) (odds ratio = 1.15; P = .59) was not independently predictive of in-hospital death. In an adjusted model, previous cerebrovascular disease and previous peripheral arterial disease were both predictors of mortality at long-term follow-up (hazard ratio = 1.57; P < .001; and hazard ratio = 1.34; P = .001; respectively). Patients with ≥ 2 diseased vascular territories showed higher long-term mortality (hazard ratio = 2.35; P < .001), but not higher in-hospital mortality (odds ratio = 1.07; P = .844).Conclusions In patients with a diagnosis of ST-segment elevation acute myocardial infarction, the previous vascular burden determines greater long-term mortality. Considered individually, previous cerebrovascular disease and peripheral arterial disease were predictors of mortality at long-term after hospital discharge (AU)


Assuntos
Humanos , Infarto do Miocárdio/mortalidade , Doença Arterial Periférica/epidemiologia , Acidente Vascular Cerebral/epidemiologia , Mortalidade Hospitalar , Estudos Prospectivos , Fatores de Risco
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