E a cinecoronariografia mais acurada que o teste ergométrico precose na identificaçäo de sobreviventes de infarto agudo do miocárdio de alto risco? / Is coronary cineangiography more accurate than early bicycle ergometry test in the identification of high-risk acute myocardial infarction survivors?
Arq. bras. cardiol
;
56(5): 367-379, maio 1991. tab
Artículo
en Portugués
| LILACS
| ID: lil-107855
ABSTRACT
PurposeTo determine if attenuated early treadmill stress testing is more or less accurate than cinecoronary arteriography in the identification of high-risk acute myocardial infarction (AMI) survivors. Patients and MethodsIn a prospective study 96 non-selected and consecutive AMI survivors underwent cinecoronary arteriography in the 4th week of hospitalization and were followed up for a period of 3 to 39 (21.7 ± 11.0) months. One-half of the patients were randomly submitted to an attenuated heart rate-limited treadmill stress testing in the 3rd week. Seven patients were lost in the follow-up. Of the remaining 89 patients 5 died of cardiac causes. Cardiac events (death, reinfarction, angina and heart failure) ocurred in 26 patients. Multivessel coronary artery disease was found in 67 patients (75%) and mean left ventricular ejection fraction was 49.1 ± 15.6%. Positive treadmill stress testing for myocardial ischemia ocurred in 20 of 43 patients (46%). ResultsAll patients who died of cardiac causes or who had a cardiac event had multivessel coronary artery disease, the mean left ventricular ejection fraction was 38.6 ± 16.6% and 45.2 ± 16.4%, respectively, and two-thirds of patients had positive stress testing. For cardiac death, multivessel coronary artery disease had better sensitivity than positive stress testing and left ventricular ejection fraction less than 0.3 (100% vs 67% vs 20%, respectively) while ejection fraction had better specificity than stress testing and multivessel coronary artery disease (87% vs 55% vs 21%, respectively). Stress testing had a better positive predictive value...
Texto completo:
Disponible
Índice:
LILACS (Américas)
Asunto principal:
Cineangiografía
/
Prueba de Esfuerzo
/
Infarto del Miocardio
Tipo de estudio:
Ensayo Clínico Controlado
/
Estudio diagnóstico
/
Estudio de etiología
/
Estudio observacional
/
Estudio pronóstico
/
Factores de riesgo
Límite:
Humanos
Idioma:
Portugués
Revista:
Arq. bras. cardiol
Asunto de la revista:
Cardiología
Año:
1991
Tipo del documento:
Artículo
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