Evaluation of exercise-induced QRS amplitude changes (Athens score) and their clinical value.
The index of exercises-induced amplitude changes in a combination of Q, R and S waves, named Athens score, was tested in 213 patients, who underwent coronary angiography within 3 days of a maximal exercise test. Of the 155 cases with conclusive exercise test results, according to the coronary angiography document, 23 (14.8%) were diagnosed as having no significant coronary artery disease (CAD); 27 (17.4%) as 1-vessel disease; 28 (18.1%) as 2-vessel disease and 77 (49.7%) as 3-vessel disease. The Athens score for them was 4.87 +/- 2.89, 0.02 +/- 3.35, -1.70 +/- 3.68, -1.75 +/- 3.98 respectively, F = 19.65, P < 0.01. An Athens score of 2 mm predicted CAD with sensitivity of 84.9% and specificity of 78.3% both being higher than those of ST segment depression (75.0% and 60.9%). It was concluded that the Athens score was a promising index for improving the efficiency of exercise test to predict CAD.
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Department of Internal Medicine, Tongji Hospital, Tongji Medical University, Wuhan.
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D000328:Adult; D000368:Aged; D003327:Coronary Disease / Q000175:diagnosis / Q000503:physiopathology*; D004562:Electrocardiography; D005080:Exercise Test; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D012680:Sensitivity and Specificity