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Korean Circ J. 1987 Jun;17(2):247-257. Korean. Original Article. https://doi.org/10.4070/kcj.1987.17.2.247
Seo JD , Park YB , Oh BH , Lee MM , Choi YS , Lee YW .
Abstract

To assess the diagnostic value of low level predischarge exercise test in the prediction of multivessel disease and left ventricular abnormality rate limited treadmill test, coronary arteriography and left ventriculography were admitted to the coronary care unit at Seoul National University Hospital from February 1985 to April 1986. The following results were obtained; 1) During and immediately after the treadmill test, ischemic ST segment depression were observed in 7 patients (20.6%). On subsequent coronary arteriography, 6 of them were found to have multivessel coronary artery disease. The sensitivity of ST segment depression in prediction of multivessel disease was 31.6%, the specificity was 93.3% and prediction value was 85.7%. 2) In 11 patients (32.3%), the exercise test were discontinued because of anginal pain, fatigue, or dyspnea. The sensitivity of above symptoms in prediction of multivessel disease was 47.4%, the specificity was 86.7% and prediction value was 81.8%. 3) The sensitivity of ST segment depression and/or symptom in prediction of multivessel disease was 68.4%, the specificity was 80%, and the prediction value was 81.25%. 4) The ST segment elevation were observed in 10 patients (29.4%). The sensitivity of ST segment elevation in prediction of complicated left ventricular aneurysm was 58.3%, the specificity was 87.5%, and the prediction value was 70%. 5) No serious complication developed by the treadmill test. It is concluded from above results that low level predischarge treadmill exercise test is useful and safe test in the prediction of multivessel disease and left ventricular aneurysm in patients with recent acute myocardial infarction.

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