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Santas E, Chorro FJ, Miñana G, Méndez J, Muñoz J, Escribano D, García-Blas S, Valero E, Bodí V, Núñez E, Sanchis J, Núñez J

Tricuspid Regurgitation and Mortality Risk Across Left Ventricular Systolic Function in Acute Heart Failure.

Circ. J.. 2015;79(7):1526-33, PMID: 25854896

Tricuspid regurgitation (TR) is a common echocardiographic finding that has been related to adverse outcome under various clinical scenarios. Nevertheless, evidence supporting its prognostic value in heart failure (HF) is scarce, and, in most cases, contradictory. We evaluated the association of TR grade with 1-year all-cause mortality in acute HF (AHF). METHODS AND RESULTS: We included 1,842 consecutive patients admitted for AHF. Mean age was 72.8±11.3 years, 51% were female and 45.5% had LVEF <50%. The severity of TR was graded in non-TR, mild (1), moderate (2), moderate-severe (3) and severe (4). At 1-year follow-up, 370 patients (20.1%) had died. In patients with LVEF ≥50%, a significant and positive association between TR severity and mortality was noted. Indeed, the HR for mortality for TR 3 and 4 vs. no TR/TR 1 were as follows: hazard ratios (HR), 1.68; 95% confidence intervals (95% CI): 1.08-2.60, P=0.02; and HR, 2.87; 95% CI: 1.61-5.09, P<0.001, respectively. In contrast, no association between TR grade and mortality (P=0.650) was observed in patients with LVEF <50% (P-value for interaction=0.033).

CARDIAC & CARDIOVASCULAR SYSTEMS