Abstract
Inflammation is relevant in the pathogenesis and progression of heart failure (HF). Previous studies have shown that elevated high-sensitivity C-reactive protein (hsCRP) are associated with greater severity and may be associated with adverse outcomes. In this study, we sought to evaluate the prognostic role of hsCRP in a non-selected cohort of patients with acute HF. We prospectively included a multicenter cohort of 3,395 patients following an admission for acute HF. HsCRP levels were evaluated during the first 24 h following admission. Study endpoints were the risks of all-cause mortality, CV-mortality, and total HF readmissions. The mean age was 74.2 ± 11.2 years and 1,826 (53.8%) showed a left ventricular ejection fraction (LVEF) ≥ 50%. Median hsCRP was 12.9 mg/L (5.4–30 mg/L). Over a median follow-up of 1.8 (0.6–4.1) years, 1,574 (46.4%) patients died, and 1,341 (39.5%) patients were readmitted for worsening HF. After multivariable adjustment, hsCRP values were significantly and positively associated with a higher risk of all-cause and CV mortality (p = 0.003 and p = 0.001, respectively), as well as a higher risk of recurrent HF admissions (p < 0.001). These results remained consistent across important subgroups, such as LVEF, sex, age, or renal function. In patients with acute HF, hsCRP levels were independently associated with an increased risk of long-term death and total HF readmissions.
Published Version
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