MR-proANP Associated with Body Mass Index in Patients with Anorexia Nervosa

To the Editor: Measurement of natriuretic peptides in plasma has become a cornerstone in heart failure diagnostics. The peptides, mainly B-type natriuretic peptide (BNP)1 and its cometabolite, proBNP [or n-terminal proBNP (NT-proBNP)], are used as rule-out markers where concentrations within age- and sex-matched reference intervals can exclude a diagnosis of left ventricular dysfunction, e.g., heart …