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Rev. cuba. invest. bioméd ; 27(3/4)jul.-dic. 2008. tab, graf
Article in Spanish | LILACS | ID: lil-532148

ABSTRACT

Para determinar la relación entre los factores de riesgos ateroscleróticos y la isquémica miocárdica silente fueron estudiados 31 pacientes diabéticos tipo 2 asintomáticos con exámenes de laboratorio, electrocardiograma, ergometría, Gated-SPECT y coronariografía. Los pacientes fueron clasificados en dos grupos: SPECT positivo y SPECT negativo. Se realizaron pruebas de asociación para cada variable y se construyeron curvas ROC para identificar marcadores de riesgo. En el 35,5 por ciento de los pacientes se detectó isquemia miocárdica silente con una buena correlación angiográfica. Se evidenció asociación significativa entre SPECT positivo y los factores de riesgo ateroscleróticos: valores bajos de HDLc, antecedentes patológicos familiares de cardiopatía isquémica y enfermedad vascular periférica. Los modelos de regresión logística concluyeron que valores bajos de HDLc unidos a antecedentes patológicos familiares de cardiopatía isquémica podrían ser fuertes predictores de isquemia miocárdica silente en diabéticos tipo 2 asintomáticos.


31 aymptomatic type 2 diabetic patients were studied by lab tests, electrocardiogram, ergometry, Gated-SPECT and coronariography to determine the relation between the atherosclerotic risk factors and the silent myocardial ischemia. Patients were classified into two groups: positive SPECT and negative SPECT. Association tests were made for each variable and ROC curves were constructed to identify risk markers. In 35,5 percent of the patients silent myocardial ischemia was detected with a good angiographic correlation. A siginificant association was evidenced between positive SPECT and the atherosclerotic risk factors, namely, low values of HDLc, family pathological history of ischemic heart disease and peripheral vascular disease. The logistic regression models showed that low values of HDLc together with family pathological history of ischemic heart disease may be strong predictors of silent myocardial ischemia in asymptomatic type 2 diabetic patients.


Subject(s)
Humans , Male , Adult , Female , Middle Aged , /pathology , Myocardial Ischemia/diagnosis , Risk Factors , Tomography, Emission-Computed, Single-Photon/methods
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