ArticleTransplantation direct2025
The Landscape of In Situ and Ex Situ Machine Perfusion Utilization for Liver Grafts From Noncardiac Donation After Circulatory Death Donors in the Early era of Machine Perfusion in the United States.
Article in Transplantation direct, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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12 authors.
Funding
Abstract
Background: Donation after circulatory death (DCD) is the major contributor to the growth in deceased organ donation in the United States. Normothermic regional perfusion (NRP) and ex situ machine perfusion (es-MP) have been vital for improving organ assessment and preservation in DCD donor organs. The procurement procedure and storage strategy for noncardiac donors were determined by liver transplant centers in the early era of machine perfusion in the United States. In this study, we analyzed the landscape of liver utilization from noncardiac DCD donors in the United States during the early era of machine perfusion. Methods: All adult (18 y and older) DCD donors in the United States for which the heart was not used for transplantation from October 1, 2020, to December 31, 2023, were compared using procurement technique (NRP versus super rapid recovery [SRR]) and storage strategy (ex situ machine perfusion [es-MP] versus static cold storage). Results: One hundred fifty-six livers were transplanted from 284 NRP donors (55% utilization) versus 2497 liver transplants from 9132 SRR donors (27% utilization). Es-MP was used in 19% (n = 30) of liver NRP cases versus 28% (n = 695) of liver SRR cases. Eight hundred fifty-one liver grafts (32%) were exposed to NRP, es-MP, or both. Conclusions: Given the variation in liver graft management, further research needs to be conducted on the optimal strategies for using technologies such as NRP and es-MP in liver transplantation in the United States; better data collection is necessary to support this research and additional strategies are required to increase access to machine perfusion on a national level are needed.
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