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Sensitivity and long‐term prognostic value of cardiac troponin‐i increase shortly after percutaneous transluminal coronary angioplasty

Background: After successful coronary interventions, minor elevations of creatine kinase MB (CK‐MB) identified a population with a worse long‐term prognosis than that in patients without enzyme elevations. In that setting, cardiac troponin‐I (cTn‐I), a highly specific marker for myocardial injury, was considered for a small study; the results did not support the view that significant myocardial damage occurred during successful percutaneous transluminal coronary angioplasty (PTCA).