PMID- 20185624 OWN - NLM STAT- MEDLINE DCOM- 20100415 LR - 20240503 IS - 1530-8561 (Electronic) IS - 0009-9147 (Print) IS - 0009-9147 (Linking) VI - 56 IP - 4 DP - 2010 Apr TI - Relation of natriuretic peptides and midregional proadrenomedullin to cardiac chamber volumes by computed tomography in patients without heart failure: from the ROMICAT Trial. PG - 651-60 LID - 10.1373/clinchem.2009.138586 [doi] AB - BACKGROUND: Stress myocyte biomarkers are used prognostically in patients with cardiovascular disease. We examined associations between amino-terminal pro-B-type natriuretic peptide (NT-proBNP), midregional pro-A-type natriuretic peptide (MR-proANP), and midregional proadrenomedullin (MR-proADM) concentrations and cardiac chamber volumes in chest pain patients without heart failure by use of computed tomography (CT). METHODS: At the time of 64-slice CT scan, we acquired plasma and serum samples for these biomarkers from 346 patients [mean (SD) age 53 (12) years, 65% men]. Left atrial volume (LAV) and left ventricular volumes at end-diastole (LVEDV) and end-systole (LVESV) were measured and indexed to body surface area (LAVI, LVEDI, LVESI). RESULTS: Concentrations of both natriuretic peptides were correlated with LAV and LAVI (r = 0.19-0.32, all P