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- W1990276987 abstract "PURPOSES The aim of the present study was to objectively assess cardiopulmonary function during exercise among subjects suspected of having CAD, and to compare these results with those of conventional exercise stress test interpretation. METHODS Thirty-five supposedly healthy subjects underwent exercise stress test, cardiopulmonary exercise test, and cineangiography, for suspected CAD. RESULTS Analysis of the cineangiography showed that 10 subjects had significant CAD, and 25 had no significant CAD. Standard exercise electrocardiografic criteria identified significant CAD with sensitivity of 90%, but with a specificity and predictive accuracy of only 48% and 60%, respectively. Adding specific cardiopulmonary variables (ventilatory anaerobic threshold, O2pulse at peak exercise, and O2pulse trending phenomenon), identified CAD with a sensitivity of 80%, and specificity of 92%. The overall predictive accuracy of the exercise test, when adding those cardiopulmonary variables to the standard stress ECG, was 88.6%, compared with 60% for the standard criteria of ST-depression, blood pressure, and clinical symptoms. Adding new sample of subjects (N=7) who were tested and evaluated under similar testing and assessment conditions but at different settings, location, and experts, support our original findings concerning the predictive accuracy of the proposed diagnostic equation generated from the cardiopulmonary exercise test (CPET). CONCLUSIONS Using cardiopulmonary exercise testing can greatly improve (by 29%) the diagnostic accuracy of the commonly used exercise stress test." @default.
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- W1990276987 date "2003-05-01" @default.
- W1990276987 modified "2023-09-26" @default.
- W1990276987 title "CARDIOPULMONARY MEASURMENTS IMPROVE DIAGNOSTIC ACCURACY OF CAD DURING EEXRCISE TESTING" @default.
- W1990276987 doi "https://doi.org/10.1097/00005768-200305001-00968" @default.
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