Early Initiation Of Pd Therapy In Elderly Patients Is Associated With Increased Risk Of Death
CLINICAL KIDNEY JOURNAL(2021)
Abstract
Background. The effect of early initiation of dialysis on outcomes of patients with end-stage renal disease (ESRD) remains controversial. We conducted this study to investigate the association between the timing of peritoneal dialysis (PD) initiation and mortality in different age groups.Methods. In this single-centre cohort study, incident patients receiving PD from 1 January 2006 to 31 December 2016 were enrolled. Patients were categorized into three groups according to the estimated glomerular filtration rate (eGFR) at the initiation of PD, with early, mid and late initiation of PD defined as eGFR >= 7.5, 5-7.5 and <5 mL/min/1.73 m(2), respectively.Results. A total of 2133 incident patients receiving PD were enrolled with a mean age of 47.1 years, 59.6% male and 25.3% with diabetes, of whom 1803 were young (age <65 years) and 330 were elderly (age >= 65 years). After multivariable adjustment, the overall and cardiovascular (CV) mortality risks for young patients receiving PD were not significantly different between these three groups. However, for elderly patients, early initiation of PD therapy was associated with increased risks of all-cause {hazard ratio [HR} 1.54 [95% confidence interval (CI) 1.06-2.25]} and CV [HR 2.07 (95% CI 1.24-3.48)] mortality compared with late initiation of PD, while no significant difference was observed in overall or CV mortality between the mid- and late-start groups.Conclusions. No significant difference in mortality risk was found among the three levels of eGFR at PD therapy initiation in young patients, while early initiation of PD was associated with a higher risk of overall and CV mortality among elderly patients.
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Key words
dialysis initiation, elderly, estimated glomerular filtration rate, mortality, peritoneal dialysis
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