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Survival of Elderly Adults Undergoing Incident Home Hemodialysis and Kidney Transplantation.

ABSTRACT: To compare the mortality of elderly adults with end-stage renal disease (ESRD) treated with home hemodialysis (HD) with that of those receiving a kidney transplant (KTx).Prospective cohort.Pertinent data for the two groups were obtained from electronic medical records from a large dialysis provider and the U.S. Renal Data System.Using data from elderly adults (aged ?65) who started home HD and underwent KTx in the US between 2007 and 2011, a 1:1 propensity score (PS)-matched cohort of 960 elderly adults was created, and the association between treatment modality and all-cause mortality was examined using Cox proportional hazards and competing risk regression survival models using modality failure as a competing event.Modality of renal replacement therapy.The baseline mean age ± standard deviation of the PS-matched individuals undergoing home HD was 71 ± 6, and that of KTx recipients was 71 ± 5, 69% of both groups were male, 81% of those undergoing home HD and 79% of KTx recipients were white, and 11% and 12%, respectively, were African American. Median follow-up time was 205 days (interquartile range (IQR) 78-364 days) for those undergoing home HD and 795 days (IQR 366-1,221 days) for KTx recipients. There were 97 deaths (20%, 253/1,000 patient-years, 95% confidence interval (CI) = 207-309/1,000 patient-years) in the home HD group and 48 deaths (10%, 45/1,000 patient-years, 95% CI = 34-60/1,000 patient-years) in the KTx group. Elderly adults undergoing home HD had a risk of mortality that was almost five times as high as that of KTx recipients (hazard ratio = 4.74, 95% CI = 3.25-6.91). Similar results were seen in competing risk regression analyses (subhazard ratio = 4.71, 95% CI = 3.27-6.79). Results were consistent across different types of kidney donors and subgroups divided according to various recipient characteristics.Elderly adults with ESRD who receive a KTx have greater survival than those who undergo home HD. Further studies are needed to assess whether KTx receipt is associated with other benefits such as better quality of life and lower hospitalization rates.

SUBMITTER: Molnar MZ

PROVIDER: S-EPMC5484637 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature

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Survival of Elderly Adults Undergoing Incident Home Hemodialysis and Kidney Transplantation.

Molnar Miklos Z MZ Ravel Vanessa V Streja Elani E Kovesdy Csaba P CP Rivara Matthew B MB Mehrotra Rajnish R Kalantar-Zadeh Kamyar K

Journal of the American Geriatrics Society 20160909 10

<h4>Objectives</h4>To compare the mortality of elderly adults with end-stage renal disease (ESRD) treated with home hemodialysis (HD) with that of those receiving a kidney transplant (KTx).<h4>Design</h4>Prospective cohort.<h4>Setting</h4>Pertinent data for the two groups were obtained from electronic medical records from a large dialysis provider and the U.S. Renal Data System.<h4>Participants</h4>Using data from elderly adults (aged ≥65) who started home HD and underwent KTx in the US between ...[more]

PMID: 27612017

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Project description:Background and objectivesHome dialysis is often recognized as a first-choice therapy for patients initiating dialysis. However, studies comparing clinical outcomes between peritoneal dialysis and home hemodialysis have been very limited.Design, setting, participants, & measurementsThis Australia and New Zealand Dialysis and Transplantation Registry study assessed all Australian and New Zealand adult patients receiving home dialysis on day 90 after initiation of RRT between 2000 and 2012. The primary outcome was overall survival. The secondary outcomes were on-treatment survival, patient and technique survival, and death-censored technique survival. All results were adjusted with three prespecified models: multivariable Cox proportional hazards model (main model), propensity score quintile-stratified model, and propensity score-matched model.ResultsThe study included 10,710 patients on incident peritoneal dialysis and 706 patients on incident home hemodialysis. Treatment with home hemodialysis was associated with better patient survival than treatment with peritoneal dialysis (5-year survival: 85% versus 44%, respectively; log-rank P<0.001). Using multivariable Cox proportional hazards analysis, home hemodialysis was associated with superior patient survival (hazard ratio for overall death, 0.47; 95% confidence interval, 0.38 to 0.59) as well as better on-treatment survival (hazard ratio for on-treatment death, 0.34; 95% confidence interval, 0.26 to 0.45), composite patient and technique survival (hazard ratio for death or technique failure, 0.34; 95% confidence interval, 0.29 to 0.40), and death-censored technique survival (hazard ratio for technique failure, 0.34; 95% confidence interval, 0.28 to 0.41). Similar results were obtained with the propensity score models as well as sensitivity analyses using competing risks models and different definitions for technique failure and lag period after modality switch, during which events were attributed to the initial modality.ConclusionsHome hemodialysis was associated with superior patient and technique survival compared with peritoneal dialysis.

Dataset Information

Survival of Elderly Adults Undergoing Incident Home Hemodialysis and Kidney Transplantation.

Publications

Survival of Elderly Adults Undergoing Incident Home Hemodialysis and Kidney Transplantation.

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