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Diagnóstico no invasivo de isquemia miocárdica silente en pacientes con factores de alto riesgo coronario


 
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Revista Cubana de Medicina

 ISSN 0034-7523 ISSN 1561-302X

DE LA CRUZ BANOBRE, Arnoldo et al. Diagnóstico no invasivo de isquemia miocárdica silente en pacientes con factores de alto riesgo coronario. []. , 40, 4, pp.235-242. ISSN 0034-7523.

^les^aSe realizó un estudio explicativo, longitudinal y prospectivo para determinar la incidencia de isquemia miocárdica silente en 76 pacientes de ambos sexos y edades entre 30 y 60 años. Se aplicó un muestreo estratificado, según número de factores de alto riesgo coronario aceptados por la Organización Mundial de la Salud (OMS). Se emplearon la ergometría y el ecocardiograma bidimensional como medios diagnósticos no invasivos. La ergometría resultó ser útil en el 55,4 % de los pacientes y el ecocardiograma en el 44,6 %, sin diferencias significativas entre ellos. Las diferencias encontradas en cuanto al comportamiento de la isquemia miocárdica silente, según edad y sexo, no resultaron significativas. Se evidenció mayor incidencia en los pacientes con mayor número de factores de alto riesgo coronario con una significación estadística manifiesta. Las arritmias fueron el hallazgo electrocardiográfico basal más frecuente, sin poder atribuírseles valor predictivo diagnóstico de isquemia miocárdica silente^len^aAn explicative, longitudinal and prospective study was conducted to determine the incidence of silent myocardial ischemia in 76 patientes of both sexes aged 30-60. A stratified sampling was applied according to the number of high coronary risk factors accepted by the World Health Organization (WHO). Ergometry and bidemensional echocardiogram were used as non-invasive diagnostic tools. Ergometry proved to be useful in 55.4 % of the patients and echocardiogram in 44.6 %. There were no significant differences between them. The differences found in relation to the behavior of silent myocardial ischemia by age and sex were not remarkable. A greater incidence was observed among those patients with a higher number of high coronary risk factors with an obvious statistical signification. The arrhytmias were the most frequent electrocardiographic basal finding and no predictive diagnostic value of silent myocardial ischemia could be attributed to them

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