Article ; Online: Normothermic machine perfusion for liver transplantation: current state and future directions.
Current opinion in organ transplantation
2024 Volume 29, Issue 3, Page(s) 186–194
Abstract: Purpose of review: The number of patients on the liver transplant waitlist continues to grow and far exceeds the number of livers available for transplantation. Normothermic machine perfusion (NMP) allows for ex-vivo perfusion under physiologic ... ...
Abstract | Purpose of review: The number of patients on the liver transplant waitlist continues to grow and far exceeds the number of livers available for transplantation. Normothermic machine perfusion (NMP) allows for ex-vivo perfusion under physiologic conditions with the potential to significantly increase organ yield and expand the donor pool. Recent findings: Several studies have found increased utilization of donation after cardiac death and extended criteria brain-dead donor livers with implementation of NMP, largely due to the ability to perform viability testing during machine perfusion. Recently, proposed viability criteria include lactate clearance, maintenance of perfusate pH more than 7.2, ALT less than 6000 u/l, evidence of glucose metabolism and bile production. Optimization of liver grafts during NMP is an active area of research and includes interventions for defatting steatotic livers, preventing ischemic cholangiopathy and rejection, and minimizing ischemia reperfusion injury. Summary: NMP has resulted in increased organ utilization from marginal donors with acceptable outcomes. The added flexibility of prolonged organ storage times has the potential to improve time constraints and transplant logistics. Further research to determine ideal viability criteria and investigate ways to optimize marginal and otherwise nontransplantable liver grafts during NMP is warranted. |
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MeSH term(s) | Liver Transplantation/adverse effects ; Liver Transplantation/methods ; Liver Transplantation/trends ; Humans ; Perfusion/methods ; Perfusion/adverse effects ; Perfusion/trends ; Perfusion/instrumentation ; Organ Preservation/methods ; Organ Preservation/adverse effects ; Organ Preservation/trends ; Tissue Donors/supply & distribution ; Graft Survival ; Treatment Outcome ; Donor Selection ; Temperature ; Reperfusion Injury/prevention & control ; Reperfusion Injury/etiology ; Tissue Survival ; Animals |
Language | English |
Publishing date | 2024-03-14 |
Publishing country | United States |
Document type | Journal Article ; Review |
ZDB-ID | 1390429-2 |
ISSN | 1531-7013 ; 1087-2418 |
ISSN (online) | 1531-7013 |
ISSN | 1087-2418 |
DOI | 10.1097/MOT.0000000000001141 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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