Background: Simultaneous pancreas and kidney transplant (SPK) is the most common type of pancreas transplant performed worldwide. In contrast, there are a few drawbacks to pancreas after kidney transplant (PAK), such as the requirement for an additional operation, the immunologic risk, etc. SPK is the best option, but because of a lack of deceased donors and a lengthy waiting period, it is not always possible to use it.
Methods: From 2015 to 2022, we performed 23 SPKs and 21 PAKs at the Pusan National University Yangsan Hospital in Korea. We compared the findings of PAK and SPK conducted within the same time period.
Results: The waiting time for pancreatic graft was significantly shorter in the PAK than SPK group (345 days vs 1350 days, P ≤ .001). Throughout the monitoring period, just 1 pancreatic graft was lost in patients who underwent PAK, and the 7-year graft survival was 95%, with no statistically significant difference compared to SPK (90.3%, P = .600). Moreover, the graft survival of SPK or PAK was superior to that of pancreatic transplant alone (63.7%, P = .016). Only 1 pancreatic graft loss was a case of mortality with a functioning graft. No additional kidney transplant loss was observed in PAK recipients. There was no variation in creatinine levels between the pretransplant and posttransplant periods. There were 2 incidents of pancreatic graft and kidney graft rejection, respectively, but the grafts entirely recovered following rejection treatment.
Conclusion: According to our experiences, PAK could be another best choice for individuals with diabetic end-stage renal disease, especially in cases where deceased donors were severely deficient but living donor kidney transplants were actively performed in countries like Korea.
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