Objective: Sparse and contradictory data are available on the prognostic role of an early echocardiographic examination in patients with acute decompensated heart failure (ADHF). We planned a prospective study to illustrate which early echocardiographic parameter would be better related to prognosis in such patients.
Methods: In a consecutive series of patients with ADHF with either reduced (n=209) or preserved (n=172) left ventricular ejection fraction (LVEF), a complete echocardiographic examination was performed within 12 hours of admission. The endpoint of the study was death or rehospitalization at 6 months from hospital discharge.
Results: After 6 months from discharge, 73 died and 96 were rehospitalized due to cardiovascular causes. In multivariable analysis, a right ventricular end-diastolic diameter (RVEDD) >40 mm (P = .02), a tricuspid annular plane systolic excursion (TAPSE) <19 mm (P= .004), and an inferior vena cava diameter >22 mm (P = .02) were associated with 6-month events. LVEF and LV diastolic function were not predictive of events. Pulmonary artery systolic pressure (PASP) >45 mmHg and TAPSE/PASP <0.425 were associated with prognosis in univariate but not in multivariable analysis. Conversely, the TAPSE/RVEDD ratio (dichotomized at its median value of 0.461) was an independent predictor of outcome in multivariable analysis (P< .001).
Conclusions: In patients hospitalized for ADHF, early echocardiographic identification of right ventricular dilatation and dysfunction predicts a poor outcome better than LV systolic and/or diastolic dysfunction.
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