BackgroundContinued comparison of kidney transplant outcomes between older DCD and donation after brain death (DBD) donors is needed to safely expand the deceased donor pool.MethodsWe performed a retrospective cohort study using the UNOS/OPTN transplant registry from donors >50 years old between 1994 and 2016. Donor age was stratified into 4 groups: 50‐54, 55‐59, 60‐64, and >65 years old. Rates of delayed graft function (DGF) and primary non‐function (PNF) were compared. Multivariable Cox regression models were constructed to identify factors associated with time to graft failure.ResultsThe DCD donors within each age group had fewer comorbidities than the DBD donors. Graft survival for DCD kidneys was equivalent or superior to DBD kidneys in all donor age groups. DGF rates were significantly greater for DCD kidneys in all age groups. PNF rates across all groups were similar. In multivariable analysis, DCD status was not independently associated with time to all‐cause graft failure in the 50‐54 donor age group (HR = 1.02, 95% CI = 0.93‐1.13), 55‐59 donor age group (HR = 1.07, 95% CI = 0.96‐1.19), or 60‐64 donor age group (HR = 1.135, 95% CI = 0.97‐1.32).ConclusionKidneys from carefully selected older DCD donors, particularly ages 50‐64, are a potential means to safely expand the deceased donor pool.

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Earn MOC for this article: www.wileyhealthlearning.com/aasld.aspx Nearly half of living liver donors in North America are women of child-bearing age. Fetal and maternal outcomes after donation are unknown. We conducted a retrospective cohort study of female living liver donors (aged 18-50 years at donation) from 6 transplant centers. Participants were surveyed about their pregnancies and fertility. Outcomes were compared between predonation and postdonation pregnancies. Generalized estimating equations were clustered on donor and adjusted for age at pregnancy, parity, and pregnancy year. Among the 276 donors surveyed, 151 donors responded (54.7% response rate) and reported 313 pregnancies; 168/199 (68.8%) of the predonation pregnancies and 82/114 (71.9%) of the postdonation pregnancies resulted in live births, whereas 16.6% and 24.6% resulted in miscarriage, respectively. Women with postdonation pregnancies were older (32.0 versus 26.7 years; P < 0.001) and more frequently reported abnormal liver enzymes during pregnancy (3.5% versus 0.0%; P = 0.02) and delivery via cesarean delivery (35.4% versus 19.7%; P = 0.01). On adjusted analysis, there was no difference in cesarean delivery (odds ratio [OR], 2.44; 95% confidence interval [95% CI], 0.98-6.08), miscarriage (OR, 1.59; 95% CI, 0.78-3.24), combined endpoints of pregnancy-induced hypertension and preeclampsia (OR, 1.27; 95% CI, 0.36-4.49), or intrauterine growth restriction and preterm birth (OR, 0.91; 95% CI, 0.19-4.3). Of the 49 women who attempted pregnancy after donation, 11 (22.5%) self-reported infertility; however, 8/11 (72.7%) eventually had live births. Aside from increased reporting of abnormal liver enzymes and cesarean deliveries, there was no significant difference in pregnancy outcomes before and after living liver donation. One-fifth of women who attempt pregnancy after liver donation reported infertility, and although the majority went on to successful live births, further exploration is needed to understand the contributing factors. Future research should continue to monitor this patient-centered outcome across a large cohort of donors.