Abstract
Liver transplantation (LTX) using donors after controlled circulatory death (cDCD) is associated with poorer graft survival and increased incidence of nonanastomotic biliary strictures (NASs) compared to livers procured from brain-dead donors (DBD). The use of normothermic regional perfusion (NRP) during cDCD procurement may improve posttransplant outcomes and reduce the incidence of NAS. In Sweden, cDCD LTX was introduced through a national pilot protocol with mandatory NRP. This study aims to evaluate the outcome of cDCD LTX during the pilot period. Donor and recipient data were collected on all cDCD liver transplants during the pilot period between January 2020 to December 2022. Outcome on NAS, patient and graft survival, early allograft dysfunction, acute kidney injury, and comprehensive complication index was compared to a matched cohort of 28 patients transplanted with a DBD liver between 2018 and 2022. Eighteen patients were transplanted with a liver from a cDCD donor after using NRP. The mean functional warm ischemia time was 29 ± 6 minutes. The mean lactate reduction during NRP was 8.7 ± 2.4mmol/L, and the end NRP perfusate alanine aminotransferase was 1.4 ± 1µkat/L. When comparing recipients of cDCD liver transplant to DBD, no significant differences were observed in the incidence of NAS, patient and graft survival, comprehensive complication index, early allograft dysfunction, or acute kidney injury. Study protocol magnetic resonance cholangiopancreatography in cDCD patients showed no signs of subclinical biliary strictures. Evaluation of the Swedish national pilot of cDCD LTX with mandatory NRP shows comparable outcomes to a matched DBD cohort with 94.4% 1-year patient and graft survival and no incidence of NAS within the first year.
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More From: Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society
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