• Mattia Arrigo, Heli Tolppanen, Malha Sadoune, Elodie Feliot, Antonio Teixeira, Said Laribi, Patrick Plaisance, Semir Nouira, Mehmet Birhan Yilmaz, Etienne Gayat, Alexandre Mebazaa, and GREAT Network.
• INSERM UMR-S 942 Paris France.
• ESC Heart Fail. 2016 Jun 1; 3 (2): 115-121.

AimsAcute heart failure (AHF) is one of the leading causes of unscheduled hospitalization and is associated with frequent readmissions and substantial mortality. Precipitating factors of AHF influence short-term mortality, but their effect on outcome after hospital discharge is unknown. The present study assessed the effect of precipitating factors on readmission and long-term survival in the overall population and in patients aged 75 years or younger.Methods And ResultsPatients admitted with AHF (n = 755) included in the multicentre cohort 'Biomarcoeurs' were included in the study. Precipitating factors of AHF were classified in four main groups: acute coronary syndrome, atrial fibrillation, acute pulmonary disease and other causes. Hospital readmission during 90 days after discharge and survival at 1 year were analysed. Precipitating factors influenced readmissions and survival. Acute pulmonary disease was associated with fewer readmissions (HR 0.61, 95% confidence interval (CI) 0.37-0.99, P = 0.049), especially in patients aged 75 years or younger (HR 0.20, 95% CI 0.06-0.63, P = 0.006), whereas atrial fibrillation (HR 2.23, 95% CI 1.29-3.85, P = 0.004) and acute coronary syndrome (HR 2.23, 95% CI 1.02-4.86, P = 0.044) were associated with more readmissions. Patients with acute pulmonary disease at admission showed higher mortality (HR 1.59, 95% CI 1.04-2.43, P = 0.034), especially in subjects aged 75 years or younger (HR 2.52, 95% CI 1.17-5.41, P = 0.018).ConclusionsPrecipitating factors of AHF substantially influenced outcome after hospitalization. In particular, patients with AHF precipitated by acute pulmonary disease showed fewer readmissions and higher 1 year mortality, especially in patients aged 75 years or younger.

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