• Marat Fudim, Christopher M O'Connor, Allison Dunning, Andrew P Ambrosy, Paul W Armstrong, Adrian Coles, Justin A Ezekowitz, Stephen J Greene, Marco Metra, Randall C Starling, Adriaan A Voors, Adrian F Hernandez, Michael Felker G G Division of Cardiology, Duke Clinical Research Institute, Durham, NC, USA., and Robert J Mentz.
• Division of Cardiology, Duke Clinical Research Institute, Durham, NC, USA.
• Eur. J. Heart Fail. 2018 Feb 1; 20 (2): 304-314.

AimsPatients hospitalized for heart failure (HF) are at high risk for 30-day readmission. This study sought to examine the timings and causes of readmission within 30 days of an HF hospitalization.Methods And ResultsTiming and cause of readmission in the ASCEND-HF (Acute Study of Clinical Effectiveness of Nesiritide and Decompensated Heart Failure) trial were assessed. Early and late readmissions were defined as admissions occurring within 0-7 days and 8-30 days post-discharge, respectively. Patients who died in hospital or remained hospitalized at day 30 post-randomization were excluded. Patients were compared by timing and cause of readmission. Logistic and Cox proportional hazards regression analyses were used to identify independent risk factors for early vs. late readmission and associations with 180-day outcomes. Of the 6584 patients (92%) in the ASCEND-HF population included in this analysis, 751 patients (11%) were readmitted within 30 days for any cause. Overall, 54% of readmissions were for non-HF causes. The median time to rehospitalization was 11 days (interquartile range: 6-18 days) and 33% of rehospitalizations occurred by day 7. Rehospitalization within 30 days was independently associated with increased risk for 180-day all-cause death [hazard ratio (HR) 2.38, 95% confidence interval (CI) 1.93-2.94; P < 0.001]. Risk for 180-day all-cause death did not differ according to early vs. late readmission (HR 0.99, 95% CI 0.67-1.45; P = 0.94).ConclusionsIn this hospitalized HF trial population, a significant majority of 30-day readmissions were for non-HF causes and one-third of readmissions occurred in the first 7 days. Early and late readmissions within the 30-day timeframe were associated with similarly increased risk for death. Continued efforts to optimize multidisciplinary transitional care are warranted to improve rates of early readmission.© 2017 The Authors. European Journal of Heart Failure © 2017 European Society of Cardiology.

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