Maternal compared with paternal donor kidneys are associated with poorer graft outcomes after kidney transplantation

Wai H. Lim, S.P. P. McDonald, P.T. T. Coates, J.R. R. Chapman, G.R. R. Russ, G. Wong

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    © 2016 International Society of Nephrology. Noninherited maternal human leukocyte antigens may be less detrimental on allograft outcomes after kidney transplantation compared with noninherited paternal antigens, but this association in the era of modern immunosuppression remains unknown. Here we determine the association between parental donor kidneys, acute rejection, and graft failure in primary live-donor parental kidney transplant recipients using data from the Australia and New Zealand Dialysis and Transplant Registry between 1997 and 2012. Of the 1139 recipients followed for a median of 7.2 years (8588 person-years), 652 received kidneys from maternal donors. Compared with paternal donor kidneys, maternal donor kidneys were associated with a significantly increased risk of acute rejection (adjusted odds ratio 1.54; 95% confidence interval [CI], 1.14-2.07) and significant overall graft loss. The latter was confined to recipients who have experienced acute rejection (adjusted hazard ratio 1.60; 95%CI, 1.05-2.43) but not in those who did not experience acute rejection. Thus, our study suggests that recipients of maternal donor kidneys have a greater risk of rejection and graft loss. Hence, clinicians and patients should be cognizant of this association when determining which of the 2 parental donors is most suitable for transplantation.
    Original languageEnglish
    Pages (from-to)659-665
    Number of pages7
    JournalKidney International
    Volume89
    Issue number3
    DOIs
    Publication statusPublished - 2016

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