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  • Title: The relationship between decline rate of residual renal function in the first year and mortality in peritoneal dialysis patients.
    Author: Wu N, Chen S, Peng F, Luo C, Li P, Chen Y, Zhou W, Long H, Yang Q.
    Journal: Ther Apher Dial; 2024 Apr; 28(2):255-264. PubMed ID: 37873689.
    Abstract:
    INTRODUCTION: To assess the relationship between the rate of residual renal function (RRF) decline in the first year and all-cause and cardiovascular mortality in peritoneal dialysis (PD) patients. METHODS: Incident PD patients were divided into two groups by the corresponding RRF decline value, when hazard ratio (HR) = 1 was found by the restricted cubic spline. The associations of rate of decline of RRF in the first year with mortality were evaluated. RESULTS: Of 497 PD patients, 122 patients died. After adjusting for confounding factors, patients in fast-decline group had a significant increase risk of all-cause and cardiovascular mortality (HR: 1.97 and 2.09, respectively). Each 0.1-mL/min/1.73 m2 /month decrease in RRF in the first year of PD was associated with a 19% and 20% higher risk of all-cause and cardiovascular mortality, respectively. CONCLUSIONS: Faster decline of RRF in the first year was independently associated with all-cause and cardiovascular mortality in PD patients.
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