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- 2019
Original research article: Biological variation of cardiac markers in patients with aortic valve stenosisDOI: 10.1136/openhrt-2019-001040 Keywords: aortic valve stenosis, progression, cardiac biomarkers, biological variation, echocardiography Abstract: Cardiac biomarkers hold promise for follow-up and management of aortic valve stenosis (AVS). When interpreting serial biomarker measurements of patients with AVS, it can be challenging to distinguish ‘real changes’ from ‘random fluctuation’. Hence, robust estimation of the biological variation of these biomarkers is essential. In the present study we assessed biological variation of B-type natriuretic peptide (BNP), N-terminus pro-brain natriuretic peptide (NT-proBNP), high-sensitivity troponin-T and high-sensitivity troponin-I (hs-TnT and hs-TnI), and ST2 in subjects with stable AVS
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