Background: Compared to controlled donation after cardiac death (cDCD), uncontrolled DCD (uDCD) kidney transplantation remains an underutilized resource in the United States. However, it is unclear whether long-term allograft outcomes following uDCD are inferior to that of cDCD kidney transplantation.
Methods: From January 1995 to January 2018, the OPTN/UNOS database was queried to discover all reported cases of uDCD and cDCD kidney transplantation. Primary non-function, delayed graft function, ten-year graft and patient survival were compared among uDCD and cDCD patients.
Results: Rates of primary non-function (4.0% [uDCD] vs. 1.8% [cDCD], P < 0.001) and delayed graft function (51.1% [uDCD] vs. 41.7% [cDCD], P < 0.001) were higher following uDCD transplant. However, ten-year graft survival (47.5% [uDCD] vs. 48.4% [cDCD], P = 0.21) and patient survival were similar to cDCD transplantation (59.4% [uDCD] vs. 59.2% [cDCD], P = 0.32).
Conclusion: Although initial allograft outcomes are inferior following uDCD, long-term durability of uDCD kidney allografts is on par to cDCD transplantation. Kidney allografts derived by uDCD may be a viable and durable option to increase the donor pool.
Keywords: Donation after cardiac death; Kidney transplantation; Organ donation; The organ procurement and transplantation network; The united network for organ sharing.
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