The effect of donor gender on renal allograft survival

Donor gender plays a role in the outcome of renal transplantation, but the mechanisms responsible for this effect are unclear. In this study, actuarial graft survival in 1049 recipients transplanted at Montefiore Medical Center between 1979 and 1994 was examined. It was found that donor gender had n...

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Bibliographic Details
Published in:Journal of the American Society of Nephrology 1996-02, Vol.7 (2), p.318-324
Main Authors: Neugarten, J, Srinivas, T, Tellis, V, Silbiger, S, Greenstein, S
Format: Article
Language:English
Subjects:
Black or African American
Black People
Cyclosporine - therapeutic use
Female
Graft Survival
Humans
Kidney Transplantation
Male
Sex Factors
Survival Analysis
Tissue Donors
White People
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Summary:Donor gender plays a role in the outcome of renal transplantation, but the mechanisms responsible for this effect are unclear. In this study, actuarial graft survival in 1049 recipients transplanted at Montefiore Medical Center between 1979 and 1994 was examined. It was found that donor gender had no influence on graft survival in recipients treated with precyclosporine immunosuppressive agents. In contrast, graft survival time was greater in cyclosporine-treated recipients of male donor kidneys compared with female kidneys (p < 0.05). This survival time difference was evident in the early post-transplant period and was entirely accounted for by the survival advantage of kidneys from white male donors. There was no gender-related difference in graft survival time among recipients of African-American donor kidneys. Recent attention has focused on the hypothesis that a mismatch between female donor kidney nephron supply and male recipient functional demand results in hyperfiltration-mediated glomerular injury and that this is responsible for reduced survival time of female allografts. Any hypothesis purporting to explain gender-related differences in graft survival time must take into account this study's observations that the donor-gender effect was observed only in cyclosporine-treated recipients, was not seen in African-American donors, appeared soon after renal transplantation, and did not increase progressively with time. These observations are most consistent with the hypothesis that gender-related differences in graft survival time may reflect differences in susceptibility to cyclosporine nephrotoxicity or differences in the therapeutic response to cyclosporine.
ISSN:1046-6673
DOI:10.1681/asn.v72318