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An Equation Based on Fuzzy Mathematics to Assess the Timing of Haemodialysis Initiation.

ABSTRACT: In order to develop an equation that integrates multiple clinical factors including signs and symptoms associated with uraemia to assess the initiation of dialysis, we conducted a retrospective cohort study including 25 haemodialysis centres in Mainland China. Patients with ESRD (n?=?1281) who commenced haemodialysis from 2008 to 2011 were enrolled in the development cohort, whereas 504 patients who began haemodialysis between 2012 and 2013 were enrolled in the validation cohort comprised. An artificial neural network model was used to select variables, and a fuzzy neural network model was then constructed using factors affecting haemodialysis initiation as input variables and 3-year survival as the output variable. A logistic model was set up using the same variables. The equation's performance was compared with that of the logistic model and conventional eGFR-based assessment. The area under the bootstrap-corrected receiver-operating characteristic curve of the equation was 0.70, and that of two conventional eGFR-based assessments were 0.57 and 0.54. In conclusion, the new equation based on Fuzzy mathematics, covering laboratory and clinical variables, is more suitable for assessing the timing of dialysis initiation in a Chinese ESRD population than eGFR, and may be a helpful tool to quantitatively evaluate the initiation of haemodialysis.

SUBMITTER: Liu Y

PROVIDER: S-EPMC6458145 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature

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An Equation Based on Fuzzy Mathematics to Assess the Timing of Haemodialysis Initiation.

Liu Ying Y Wang Degang D Chen Xiangmei X Sun Xuefeng X Song Wenyan W Jiang Hongli H Shi Wei W Liu Wenhu W Fu Ping P Ding Xiaoqiang X Chang Ming M Yu Xueqing X Cao Ning N Chen Menghua M Ni Zhaohui Z Cheng Jing J Sun Shiren S Wang Huimin H Wang Yunyan Y Gao Bihu B Wang Jianqin J Hao Lirong L Li Suhua S He Qiang Q Liu Hongmei H Shao Fengmin F Li Wei W Wang Yang Y Szczech Lynda L Lv Qiuxia Q Han Xianfeng X Wang Luping L Fang Ming M Odeh Zach Z Sun Ximing X Lin Hongli H

Scientific reports 20190410 1

In order to develop an equation that integrates multiple clinical factors including signs and symptoms associated with uraemia to assess the initiation of dialysis, we conducted a retrospective cohort study including 25 haemodialysis centres in Mainland China. Patients with ESRD (n = 1281) who commenced haemodialysis from 2008 to 2011 were enrolled in the development cohort, whereas 504 patients who began haemodialysis between 2012 and 2013 were enrolled in the validation cohort comprised. An ar ...[more]

PMID: 30971708

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Project description:IntroductionStarting dialysis early or late both result in a low quality of life and a poor prognosis in patients undergoing haemodialysis. However, there remains no consensus on the optimal timing of dialysis initiation, mainly because of a lack of suitable methods to assess variations in dialysis initiation time. We have established a novel equation named DIFE (Dialysis Initiation based on Fuzzy-mathematics Equation) through a retrospective, multicentre clinical cohort study in China to determine the most suitable timing of dialysis initiation. The predictors of the DIFE include nine biochemical markers and clinical variables that together influence dialysis initiation. To externally validate the clinical accuracy of DIFE, we designed the assessment of DIFE (ADIFE) study as a prospective, open-label, multicentre, randomised controlled trial to assess the clinical outcomes among patients who initiate dialysis in an optimal start dialysis group and a late-start dialysis group, based on DIFE.Methods and analysisA total of 388 enrolled patients with end-stage renal disease will be randomised 1:1 to the optimal start dialysis group, with a DIFE value between 30 and 35, or the late-start dialysis group, with a DIFE value less than 30, using the Randomization and Trial Supply Management system. Participants will be assessed for changes in signs and symptoms, dialysis mode and parameters, biochemical and inflammatory markers, Subjective Global Assessment, Kidney Disease Quality of Life Short Form, Cognitive Assessment, medical costs, adverse events and concomitant medication at baseline, predialysis visiting stage and postdialysis visiting stage, every 12-24 weeks. The following data will be recorded on standardised online electronic case report forms. The primary endpoint is 3-year all-cause mortality. The secondary endpoints include non-fatal cerebrocardiovascular events, annual hospitalisation rate, quality of life, medical costs and haemodialysis related complications.Ethics and disseminationEthical approval was obtained from the Ethics Committee of the First Affiliated Hospital of Dalian Medical University China (registration no: YJ-KY-2017-119) and the ethics committees of all participating centres. The final results of the ADIFE trial will be presented to the study sponsor, clinical researchers and the patient and public involvement reference group. Findings will be disseminated through peer-reviewed journals, Clinical Practice Guidelines and at scientific meetings.Trial registration numberClinicalTrial.gov. Registry (NCT03385902); pre-results.

Dataset Information

An Equation Based on Fuzzy Mathematics to Assess the Timing of Haemodialysis Initiation.

Publications

An Equation Based on Fuzzy Mathematics to Assess the Timing of Haemodialysis Initiation.

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