Impact of donor-recipient gender on kidney graft and patient survival: short- and long-term outcomes. 2014

Antonio Vavallo, and Giuseppe Lucarelli, and Marco Spilotros, and Carlo Bettocchi, and Silvano Palazzo, and Francesco Paolo Selvaggi, and Michele Battaglia, and Pasquale Ditonno
Urology, Andrology and Kidney Transplantation Unit, Department of Emergency and Organ Transplantation (DETO), University of Bari, Piazza G. Cesare 11, 70124, Bari, Italy.

OBJECTIVE Donor and recipient gender influence on post-transplant kidney and patient survival is still controversial, and the literature data do not present unanimous conclusions. The aim of this study was to evaluate the effect of gender disparities between donor and recipient in 963 kidney transplants performed at our center from January 2000 to December 2010. METHODS The patients were subdivided into four groups according to recipient and donor gender: male donor-to-male recipient (MDMR; n = 305), male donor-to-female recipient (MDFR; n = 203), female donor-to-female recipient (FDFR; n = 206), and female donor-to-male recipient (FDMR; n = 249). Independent sample's t test and one-way ANOVA were used for statistical analyses. Graft and patient survival were calculated by the Kaplan-Meier method and compared using the log rank test. RESULTS There were no statistically significant differences between the groups with regard to age, cold ischemia time, delayed graft function, primary non-function, and episodes of acute and chronic rejection. Moreover, no difference in either graft (p = 0.92) or patient (p = 0.41) survival at 1, 3, and 5 years was observed. However, female recipients had significantly lower serum creatinine values and higher estimated GFR, particularly if they received a male donor kidney, and these findings were stable up to 3-year post-transplantation. CONCLUSIONS No impact of gender on short- or long-term graft and patient survival was observed in deceased kidney transplantation. However, we report a lower creatinine level in the male donors to female recipients group as compared with other recipient-donor gender combinations, although this difference loses statistical significance after the third-year post-transplantation.

UI MeSH Term Description Entries
D007166 Immunosuppressive Agents Agents that suppress immune function by one of several mechanisms of action. Classical cytotoxic immunosuppressants act by inhibiting DNA synthesis. Others may act through activation of T-CELLS or by inhibiting the activation of HELPER CELLS. While immunosuppression has been brought about in the past primarily to prevent rejection of transplanted organs, new applications involving mediation of the effects of INTERLEUKINS and other CYTOKINES are emerging. Immunosuppressant,Immunosuppressive Agent,Immunosuppressants,Agent, Immunosuppressive,Agents, Immunosuppressive
D007558 Italy A country in southern Europe, a peninsula extending into the central Mediterranean Sea, northeast of Tunisia. The capital is Rome. Sardinia
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011379 Prognosis A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations. Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D005260 Female Females
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup
D006084 Graft Rejection An immune response with both cellular and humoral components, directed against an allogeneic transplant, whose tissue antigens are not compatible with those of the recipient. Transplant Rejection,Rejection, Transplant,Transplantation Rejection,Graft Rejections,Rejection, Graft,Rejection, Transplantation,Rejections, Graft,Rejections, Transplant,Rejections, Transplantation,Transplant Rejections,Transplantation Rejections
D006085 Graft Survival The survival of a graft in a host, the factors responsible for the survival and the changes occurring within the graft during growth in the host. Graft Survivals,Survival, Graft,Survivals, Graft
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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