eGFR and Outcomes in Patients with Acute Decompensated Heart Failure with or without Elevated BUN

Clinical Journal of the American Society of Nephrology : CJASN
Katsuya KajimotoATTEND investigators

Abstract

In patients with heart failure, the association of renal dysfunction and BUN levels with outcomes is unclear. The aim of our study was to investigate the association between the eGFR at discharge and outcomes in patients with heart failure with or without an elevated BUN level at discharge. Of 4842 patients enrolled in the Acute Decompensated Heart Failure Syndromes Registry, 4449 patients discharged alive after hospitalization for acute decompensated heart failure were investigated to assess the association of eGFR in the context of serum BUN level at discharge with all-cause mortality. The enrolled patients were divided into four groups on the basis of the discharge levels of eGFR (<45 or ≥45 ml/min per 1.73 m(2)) and BUN (≥25 or <25 mg/dl). The median follow-up period after discharge was 517 (381-776) days. The all-cause mortality rate after discharge was 19.1%. After adjustment for multiple comorbidities, an eGFR<45 ml/min per 1.73 m(2) was associated with a significantly higher risk of all-cause mortality in patients with a BUN≥25 mg/dl (hazard ratio, 1.58; 95% confidence interval, 1.33 to 1.88; P<0.001) but not in patients with a BUN<25 mg/dl (hazard ratio, 0.97; 95% confidence interval, 0.76 to 1.26; P=0.84) relative to ...Continue Reading

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Aug 9, 2016·International Journal of Cardiology·Katsuya KajimotoUNKNOWN Investigators of the Acute Decompensated Heart Failure Syndromes (ATTEND) registry
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