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  • Title: [Early exclusion of ischemic myocardial damage made possible by new biochemical cardiac markers].
    Author: de Winter RJ, Koster RW, Sanders GT.
    Journal: Ned Tijdschr Geneeskd; 1998 Apr 25; 142(17):940-4. PubMed ID: 9623165.
    Abstract:
    New immunochemical assay methods for the cardiac markers creatine kinase (CK) MB mass, myoglobin, troponin T (TnT), troponin I (TnI), fatty acid binding protein (FABP) necessitate re-evaluation of their usefulness in the early diagnosis of myocardial damage. Cardiac markers play an important part in the exclusion of myocardial damage in patients with chest pain and an inconclusive ECG at admission. A serial CK-MB mass determination is particularly suitable for this exclusion of myocardial damage. The sensitivity of TnT shortly after an infarction is comparable with that of CK-MB mass; a single determination on admission is insufficient. The marker myoglobin is of limited value owing to the brief duration of myoglobin rise and insufficient heart specificity. An increased TnT or TnI value in patients with unstable angina pectoris is a prognostically negative sign. It is still not clear how this prognosis can be improved. A negative troponin finding appears not to exclude early complications. The department of Emergency Cardiac Care of the Academic Medical Centre, Amsterdam, the Netherlands, currently prefers the serial measurement of the CK-MB mass, in the future possibly to be supplemented by a troponin determination.
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