Prognostic benefit of maintaining the hemoglobin level during the acute phase in patients with severely decompensated acute heart failure.

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Prognostic benefit of maintaining the hemoglobin level during the acute phase in patients with severely decompensated acute heart failure.

Heart Vessels. 2018 Mar;33(3):264-278

Authors: Shirakabe A, Hata N, Kobayashi N, Okazaki H, Matsushita M, Shibata Y, Nishigoori S, Uchiyama S, Asai K, Shimizu W

Abstract
The optimum method of managing anemia during the acute phase of acute heart failure (AHF) remains to be elucidated. The data from 1109 AHF patients were enrolled in present study. The hemoglobin (Hb) levels were evaluated in all patients at admission (day 1) and 3 days after admission (day 3), and in survival discharge patients (n = 998) before discharge (pre-discharge). The serum hemoglobin levels were significantly lower on day 3 (11.2 (9.6-12.9) g/dl) than on day 1 (12.4 (10.4-14.2) g/dl) and at pre-discharge (11.6 (10.1-13.2) g/dl). A multivariate Cox regression model showed that mild anemia (11.0 ≤ Hb ≤ 12.9 g/dl, n = 316) and severe anemia (Hb ≤ 10.9 g/dl, n = 517) on day 3 were independent predictors of HF event (hazard ratio (HR) 1.542, 95% confidence interval (CI)1.070-2.221, HR 2.026, 95% CI 1.439-2.853), and severe anemia on day 3 were independent predictors of 365-day mortality (HR 2.247, 95% CI 1.376-3.670). The prognosis, including all-cause death and HF events, in patients with non-anemia on day 1 was significantly poorer in severe new-anemia patients on day 3 (n = 44) than in mild new-anemia patients on day 3 (n = 153) and non-anemia patients on day 3 (n = 252). In patients with anemia on day 1, the prognosis was significantly poorer in patients with severe anemia on day 3 (n = 190) than in those with non-anemia or mild anemia on day 3 (n = 482). The hemoglobin level after the initial treatment might be easily influenced by clinical decongestion. Successfully treated decongestion can help maintain the hemoglobin levels. It, therefore, leads to a prognostic benefit in patients with AHF. These findings might underscore the importance of hemoglobin management of the acute phase of AHF.

PMID: 28956134 [PubMed - indexed for MEDLINE]

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