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Accepted (AM)Open Access (License Unspecified), Open
Journal article
Functional Status, Time to Transplantation, and Survival Benefit of Kidney Transplantation Among Wait-Listed Candidates
American journal of kidney diseases, v 66(5), pp 837-845
Nov 2015
PMID: 26162652
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
In the context of an aging end-stage renal disease population with multiple comorbid conditions, transplantation professionals face challenges in evaluating the global health of patients awaiting kidney transplantation. Functional status might be useful for identifying which patients will derive a survival benefit from transplantation versus dialysis.
Retrospective cohort study of wait-listed patients using data for functional status from a national dialysis provider linked to United Network for Organ Sharing registry data.
Adult kidney transplantation candidates added to the waiting list between 2000 and 2006.
Physical Functioning scale of the Medical Outcomes Study 36-Item Short Form Health Survey, analyzed as a time-varying covariate.
Kidney transplantation; survival benefit of transplantation versus remaining wait-listed.
We used multivariable Cox regression to assess the association between physical function with study outcomes. In survival benefit analyses, transplantation status was modeled as a time-varying covariate.
The cohort comprised 19,242 kidney transplantation candidates (median age, 51 years; 36% black race) receiving maintenance dialysis. Candidates in the lowest baseline Physical Functioning score quartile were more likely to be inactivated (adjusted HR vs highest quartile, 1.30; 95% CI, 1.21-1.39) and less likely to undergo transplantation (adjusted HR vs highest quartile, 0.64; 95% CI, 0.61-0.68). After transplantation, worse Physical Functioning score was associated with shorter 3-year survival (84% vs 92% for the lowest vs highest function quartiles). However, compared to dialysis, transplantation was associated with a statistically significant survival benefit by 9 months for patients in every function quartile.
Functional status is self-reported.
Even patients with low function appear to live longer with kidney transplantation versus dialysis. For wait-listed patients, global health measures such as functional status may be more useful in counseling patients about the probability of transplantation than in identifying who will derive a survival benefit from it.
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Details
- Title
- Functional Status, Time to Transplantation, and Survival Benefit of Kidney Transplantation Among Wait-Listed Candidates
- Creators
- Peter P. Reese - University of PennsylvaniaJustine Shults - University of PennsylvaniaRoy D. Bloom - University of PennsylvaniaAdam Mussell - University of PennsylvaniaMeera N. Harhay - University of PennsylvaniaPeter Abt - University of PennsylvaniaMatthew Levine - University of PennsylvaniaKirsten L. Johansen - University of California SystemJason T. Karlawish - University of PennsylvaniaHarold I. Feldman - University of Pennsylvania
- Publication Details
- American journal of kidney diseases, v 66(5), pp 837-845
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- College of Medicine
- Web of Science ID
- WOS:000363489600023
- Scopus ID
- 2-s2.0-84945191712
- Other Identifier
- 991019335500904721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Urology & Nephrology