• Yu Sato, Akiomi Yoshihisa, Masayoshi Oikawa, Toshiyuki Nagai, Tsutomu Yoshikawa, Yoshihiko Saito, Kazuhiro Yamamoto, Yasuchika Takeishi, and Toshihisa Anzai.
• Department of Cardiovascular Medicine, Fukushima Medical University, Fukushima, Japan.
• J. Card. Fail. 2019 Aug 1; 25 (8): 631-642.

BackgroundThe characteristics and prognostic impact of persistent worsening renal function (WRF; defined as an increase in serum creatinine of >0.3 mg/dL during hospitalization) on heart failure with preserved ejection fraction have not yet been fully examined.Methods And ResultsThis was a post hoc analysis of the Japanese Heart Failure Syndrome with Preserved Ejection Fraction (JASPER) registry. We divided 523 patients with heart failure with preserved ejection fraction: the WRF group (n = 92 [17.6%]) and the non-WRF group (n = 431 [82.4%]). The WRF group showed a higher systolic blood pressure on admission and a higher prevalence of atherosclerotic diseases, respectively. Logistic regression analysis revealed that systolic blood pressure and loop diuretics were associated with WRF development (P < .05). The Kaplan-Meier analysis (median, 732 days) showed a higher all-cause death in the WRF group, as well as a higher composite end point of all-cause death or rehospitalization for HF (log-rank P < .001). The Cox proportional hazard analysis revealed WRF to be a predictor of both all-cause death (hazard ratio, 2.725; 95% confidence interval, 1.709-4.344; P < .001) and the composite end point (hazard ratio, 2.083; 95% confidence interval, 1.488-2.914; P < .001).ConclusionsPersistent WRF was associated with systolic blood pressure, atherosclerotic diseases, diuretics, and poor postdischarge prognosis in patients with heart failure with preserved ejection fraction.Copyright © 2019 Elsevier Inc. All rights reserved.

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