European journal of emergency medicine : official journal of the European Society for Emergency Medicine
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Deterioration of renal function with respect to baseline during an acute heart failure (AHF) episode is frequent, but impact on outcomes is still a matter of debate. ⋯ WRF detected at ED arrival has prognostic value in AHF, being associated with increased risk of death and prolonged hospitalization. These associations showed different patterns of risk but, remarkably, risk started with increments as low as 0.3 mg/dl.