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  • Title: Living donor kidney transplantation: the effects of donor age and gender on short- and long-term outcomes.
    Author: Øien CM, Reisaeter AV, Leivestad T, Dekker FW, Line PD, Os I.
    Journal: Transplantation; 2007 Mar 15; 83(5):600-6. PubMed ID: 17353781.
    Abstract:
    BACKGROUND: The influence of donor age and sex on acute rejection episodes and short- and long-term graft survival in living donor (LD) kidney transplantation has not been well characterized. METHODS: This prospective cohort study includes 739 first time LD transplantations with median follow-up time of 55.1 months. Death censored graft survival according to donor age and sex was compared with Kaplan-Meier plots. Cox regression was performed to estimate the association between different risk factors and graft survival and acute rejection episodes. RESULTS: Graft survival was not affected by donor age above 50 years as long as these recipients did not experience an early acute rejection episode. Acute rejection episodes increased in recipients of grafts from donors > or =65 years (P=0.009). Donor age > or =65, recipient age less than 50 years, human leukocyte antigen (HLA)-DR matching, and female donor gender were risk factors for early acute rejection episodes. In multivariate analysis donor age > or =65 years was a risk factor for graft loss in all time periods after transplantation. During the first 5 years after transplantation a steroid resistant rejection episode was an additional risk factor. More than 5 years after transplantation male donor gender was the only additional risk factor for graft loss. CONCLUSION: These results support the continued use of older male and female living donors who meet carefully constructed medical criteria and who are highly motivated to donate. Furthermore, donor age seems to be a more important predictor of graft loss than donor sex.
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