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  • Title: Long-term survival after hospitalization for acute heart failure--differences in prognosis of acutely decompensated chronic and new-onset acute heart failure.
    Author: Lassus JP, Siirilä-Waris K, Nieminen MS, Tolonen J, Tarvasmäki T, Peuhkurinen K, Melin J, Pulkki K, Harjola VP, FINN-AKVA study group.
    Journal: Int J Cardiol; 2013 Sep 20; 168(1):458-62. PubMed ID: 23073273.
    Abstract:
    AIMS: To analyze the five-year mortality after hospitalization for acute heart failure (AHF) and compare predictors of prognosis in patients with and without a previous history of heart failure. METHODS: Patients with AHF (n=620) from the prospective multicenter FINN-AKVA study were classified as acutely decompensated chronic heart failure (ADCHF) or de-novo AHF if no previous history of heart failure was present. Both all-cause mortality during five years of follow-up and prognostic factors were determined. RESULTS: The overall mortality was 60.3% (n=374) at five years. ADCHF was associated with significantly poorer outcome compared to de-novo AHF; five-year mortality rate 75.6% vs. 44.4% (p<0.001). Initially, mortality was high (33.5% in ADCHF and 21.7% in de-novo AHF after 12 months), but in de-novo AHF the annual mortality declined markedly already after the first year. Compared to de-novo AHF, patients with ADCHF had an increased risk of death for several years after the index hospitalization. A previous history of heart failure was an independent predictor of five-year mortality (adjusted hazard ratio 1.8 (95% CI 1.4-2.2; p<0.001). Older age and impaired renal function were associated with adverse long-term prognosis in both ADCHF and de-novo AHF, while higher systolic blood pressure on admission predicted better outcome. CONCLUSION: The long-term prognosis after hospitalization for AHF is poor, with a significantly different survival observed in patients with de-novo AHF compared to ADCHF. A previous history of heart failure is an independent predictor of five-year mortality. Distinction between ADCHF and de-novo AHF may improve our understanding of patients with AHF.
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