Abrupt Decline in Kidney Function Before Initiating Hemodialysis and All-Cause Mortality: The Chronic Renal Insufficiency Cohort (CRIC) Study
Abrupt Decline in Kidney Function Before Initiating Hemodialysis and All-Cause Mortality: The Chronic Renal Insufficiency Cohort (CRIC) Study
复制标题
开始血液透析前肾功能突然下降与全因死亡率：慢性肾功能不全队列（CRIC）研究
DOI：
10.1053/j.ajkd.2015.12.025
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发表时间：
2016-08-01
影响因子：
13.2
通讯作者：
Hsu, Chi-yuan
中科院分区：
文献类型：
--
作者：
Hsu, Raymond K.;Chai, Boyang;Hsu, Chi-yuan
Background: It is not clear whether the pattern of kidney function decline in patients with chronic kidney disease (CKD) may relate to outcomes after reaching end-stage renal disease (ESRD). We hypothesize that an abrupt decline in kidney function prior to ESRD predicts early death after initiating maintenance hemodialysis therapy.Study Design: Prospective cohort study.Setting & Participants: The Chronic Renal Insufficiency Cohort (CRIC) Study enrolled men and women with mild to moderate CKD. For this study, we studied 661 individuals who developed chronic kidney failure that required hemodialysis therapy initiation.Predictors: The primary predictor was the presence of an abrupt decline in kidney function prior to ESRD. We incorporated annual estimated glomerular filtration rates (eGFRs) into a mixed-effects model to estimate patient-specific eGFRs at 3 months prior to initiation of hemodialysis therapy. Abrupt decline was defined as having an extrapolated eGFR >= 30 mL/min/1.73 m(2) at that time point.Outcomes: All-cause mortality within 1 year after initiating hemodialysis therapy.Measurements: Multivariable Cox proportional hazards.Results: Among 661 patients with CKD initiating hemodialysis therapy, 56 (8.5%) had an abrupt predialysis decline in kidney function and 69 died within 1 year after initiating hemodialysis therapy. After adjustment for demographics, cardiovascular disease, diabetes, and cancer, abrupt decline in kidney function was associated with a 3-fold higher risk for death within the first year of ESRD (adjusted HR, 3.09; 95% CI, 1.65-5.76).Limitations: Relatively small number of outcomes; infrequent (yearly) eGFR determinations; lack of more granular clinical data.Conclusions: Abrupt decline in kidney function prior to ESRD occurred in a significant minority of incident hemodialysis patients and predicted early death in ESRD. (C) 2016 by the National Kidney Foundation, Inc. Published by Elsevier Inc. All rights reserved.
