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Research Article

Diagnostic value of exercise-induced changes in circulating high sensitive troponin T in stable chest pain patients

, , , , , & show all
Pages 726-733 | Received 08 Aug 2013, Accepted 09 Oct 2013, Published online: 05 Nov 2013
 

Abstract

Objective: We investigated the diagnostic value of exercise-induced increase in cardiac Troponin T (cTnT) in stable chest pain subjects.

Methods: CTnT was measured before and 20 h after an exercise test in 157 subjects suspected of coronary artery disease (CAD).

Results: CAD subjects (n = 41) had higher baseline cTnT levels compared to non-CAD subjects (n = 116), 6.39 ng/l and 3.00 ng/l, respectively, p < 0.0001, and were more likely to increase in cTnT (70.7% versus 27.6%, p < 0.0001). Net Reclassification Index for the combined variable was 19%, p = 0.02.

Conclusions: Exercise-induced increase in cTnT was found to be associated with CAD and cTnT measurements improved the diagnostic evaluation.

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