Background-Heart failure (HF) is responsible for a huge burden in hospital care. Our goal was to evaluate the value of N-terminal-pro-brain natriuretic peptide (NT-proBNP) in predicting death or hospital readmission after discharge of HF patients. Methods and Results-We included 182 patients consecutively admitted to hospital because of decompensated HF.Patients were followed up for 6 months. The primary end point was death or readmission. Twenty-six patients died in hospital. The median admission NT-proBNP level was 6778.5 pg/mL, and the median level at discharge was 4137.0 pg/mL (PϽ0.001). Patients were classified into 3 groups: (1) decreasing NT-proBNP levels by at least 30% (nϭ82), (2) no significant modifications on NT-proBNP levels (nϭ49), and (3) increasing NT-proBNP levels by at least 30% (nϭ25). The primary end point was observed in 42.9% patients. Variables associated with an increased hazard of death and/or hospital readmission in univariate analysis were length of hospitalization, heart rate, signs of volume overload, no use of ACE inhibitors, higher NYHA class at discharge, admission and discharge NT-proBNP, and the change in NT-proBNP levels. The variation in NT-proBNP was the strongest predictor of an adverse outcome. Independent variables associated with an increased risk of readmission or death were signs of volume overload and the change in NT-proBNP levels. Conclusions-Variations in NT-proBNP levels are related to hospital readmission and death within 6 months. NT-proBNP levels are potentially useful in the evaluation of treatment efficacy and might help clinicians in planning discharge of HF patients. Whether therapeutic strategies aimed to lower NT-proBNP levels modify prognosis warrants future investigation.

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Patients with discharge prealbumin ≤15 mg/dL have an higher risk of 6 months morbidity and mortality. The unbalance between protein-energy demands and its availability predicts ominous HF outcome.

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sST2 provides robust prognostic information in acute heart failure with HFrEF, while this pattern was less clear in HFpEF. When sST2 was measured together with BNP, it improved prognostic accuracy in both groups, more clearly in HFrEF.

A positive correlation has been previously documented between B-type natriuretic peptide (BNP) levels and left ventricular mass index (LVMI) in hypertensive patients. We evaluated 8 cycling athletes, 8 healthy age-matched controls; 17 hypertensive patients and 7 age-matched controls. LVMI was significantly higher in athletes and hypertensive patients than in their controls. Plasma levels of BNP in hypertensive patients were significantly higher than in athletes and their age-matched controls. No significant difference was found between athletes and their controls. Cycling athletes had significantly larger LVMI than hypertensive patients and controls, without elevated BNP levels. These results suggest that BNP levels are elevated in patients with increased LVM due to hypertension but not in physiologically increased LVM. Whether elevated BNP levels in athletes is a sign of structural heart disease merits further investigation.