Worsening renal function in patients hospitalised for acute heart failure: Clinical implications and prognostic significance
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Open Access
- 1 February 2008
- journal article
- Published by Wiley in European Journal of Heart Failure
- Vol. 10 (2), 188-195
- https://doi.org/10.1016/j.ejheart.2008.01.011
Abstract
1 Background: Renal function is a powerful prognostic variable in patients with heart failure (HF). Hospitalisations for acute HF (AHF) may be associated with further worsening of renal function (WRF). 2 Methods and results: We analysed the clinical significance of WRF in 318 consecutive patients admitted at our institute for AHF. WRF was defined as the occurrence, at any time during the hospitalisation, of both a ≥25% and a ≥0.3 mg/dL increase in serum creatinine (s‐Cr) from admission (WRF‐Abs‐%). 3 Results: Patients were followed for 480±363 days. Fifty‐three patients (17%) died and 132 (41%) were rehospitalised for HF. WRF‐Abs‐% occurred in 107 (34%) patients. At multivariable survival analysis, WRF‐Abs‐% was an independent predictor of death or HF rehospitalisation (adjusted HR, 1.47; 95%CI, 1.13–1.81; p=0.024). The independent predictors of WRF‐Abs‐%, evaluated using multivariable logistic regression, were history of chronic kidney disease (p=0.002), LV ejection fraction (p=0.012), furosemide daily dose (p=0.03) and NYHA class (p=0.05) on admission. 4 Conclusion: WRF is a frequent finding in patients hospitalised for AHF and is associated with a poor prognosis. Severity of HF and daily furosemide dose are the most important predictors of the occurrence of WRF.Keywords
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