2016, Number 5
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Gac Med Mex 2016; 152 (5)
Donor/recipient age index (DoRAIn) as an independent predictor of long-term living-donor renal graft function
Villeda-Sandoval CI, Ruiz-Hernandez JA, Nuñez LD, Guinto-Nishimura GY, Rivera-Ramírez JA, Magaña-Rodríguez JD, Rodriguez-Covarrubias F, Alberú-Gómez J, Gabilondo-Pliego B
Language: English
References: 25
Page: 582-586
PDF size: 81.77 Kb.
ABSTRACT
Problem: The effect of donor/recipient age disparity on living-donor renal graft function is controversial. The objective of this
study is to find new clinical predictors of renal graft function and evaluate the effect of donor/recipient age disparity in our
series.
Methods: A retrospective review of our institutional renal transplantation database was performed. We calculated the
glomerular filtration rate of our patients with the Chronic Kidney Disease Epidemiology Collaboration formula. Our receptors
were categorized using a cut-off of 60 ml/min calculated glomerular filtration rate. An index called “Donor/Recipient Age Index”
was created based on the interaction between donor/recipient ages. Univariable and multivariable regression analysis were
performed. The Mantel-Cox model was used for statistical analysis.
Results: A total of 220 donor/recipient pairs were selected
from January 2005 to August 2013. Only 186 pairs completed the one-year follow-up. The mean age of the donors was
35.3 ± 10.4 years and 31.6 ± 11.7 years for the recipients. The Donor/Recipient Age Index significantly predicted a glomerular
filtration rate ‹ 60 ml/min at one-year follow-up in univariable (p = 0.02) and multivariable (p = 0.033) regression models.
Conclusion: We propose the Donor/Recipient Age Index as a significant predictor of long-term graft function.
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