Background: In Japan, it has been about 10 years since the revision of the law on donating brain-dead organs. The present study compared the outcomes of pancreatic transplant before and after the revision of the law. Methods: The 437 patients who had received pancreas transplantation were divided into two groups according to the time when pancreas transplantation was performed between era 1 (before the revision) and 2 (after the revision), and compared in the patient and pancreas graft survival. Results: While the annual number of brain-dead donors was <10 in era 1, and this number significantly increased in era 2 to >50. This resulted in an increased number of pancreas transplantations: >30 cases per year. The comparison data after a propensity score-matched analysis revealed that the death-censored pancreatic graft survival at 1, 3, and 5 years after pancreas transplantation in era 2 was 94.9%, 92.0%, and 92.0%, which, while lacking significance, tended to be better than the values of 90.5%, 83.1%, and 78.2%, respectively, in era 1. Conclusions: The revision of the law on donating brain-dead organs increased the number of pancreas transplantations. Technical improvements in surgery due to increased experience with performing pancreas transplants may help improve pancreatic graft survival.
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