{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T23:49:36Z","timestamp":1791935376903,"version":"4.3.4"},"reference-count":22,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["amjtransplant.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["American Journal of Transplantation"],"published-print":{"date-parts":[[2026,10]]},"DOI":"10.1016\/j.ajt.2026.10.006","type":"journal-article","created":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T23:31:28Z","timestamp":1791934288000},"update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"title":["Best Practices for Identifying In situ Normothermic Regional Perfusion and Ex Situ Machine Perfusion in OPTN\/SRTR Data: A Validation Study"],"prefix":"10.1016","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7725-703X","authenticated-orcid":false,"given":"Kristopher P.","family":"Croome","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michelle","family":"Nguyen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2469-3094","authenticated-orcid":false,"given":"Vijay","family":"Subramanian","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5223-8323","authenticated-orcid":false,"given":"Kiran","family":"Dhanireddy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Burcin","family":"Taner","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amit K.","family":"Mathur","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"3","key":"10.1016\/j.ajt.2026.10.006_bib1","doi-asserted-by":"crossref","first-page":"189","DOI":"10.1001\/jamasurg.2021.6781","article-title":"Impact of Portable Normothermic Blood-Based Machine Perfusion on Outcomes of Liver Transplant: The OCS Liver PROTECT Randomized Clinical Trial","volume":"157","author":"Markmann","year":"2022","journal-title":"JAMA Surg"},{"issue":"4","key":"10.1016\/j.ajt.2026.10.006_bib2","doi-asserted-by":"crossref","first-page":"830","DOI":"10.1016\/j.ajt.2025.12.016","article-title":"Ex situ normothermic machine perfusion reduces postreperfusion syndrome and improves patient and graft survival following liver transplant using macrosteatotic liver grafts","volume":"26","author":"Zhang","year":"2026","journal-title":"Am J Transplant"},{"issue":"3","key":"10.1016\/j.ajt.2026.10.006_bib3","doi-asserted-by":"crossref","first-page":"322","DOI":"10.1001\/jamasurg.2024.6520","article-title":"Improved Outcomes and Resource Use With Normothermic Machine Perfusion in Liver Transplantation","volume":"160","author":"Nguyen","year":"2025","journal-title":"JAMA Surg"},{"key":"10.1016\/j.ajt.2026.10.006_bib4","doi-asserted-by":"crossref","first-page":"1391","DOI":"10.1056\/NEJMoa2031532","article-title":"DHOPE-DCD Trial Investigators. Hypothermic Machine Perfusion in Liver Transplantation\u2014A Randomized Trial","volume":"384","author":"van Rijn","year":"2021","journal-title":"N. Engl. J. Med."},{"issue":"6","key":"10.1016\/j.ajt.2026.10.006_bib5","doi-asserted-by":"crossref","first-page":"1745","DOI":"10.1111\/ajt.15241","article-title":"In situ normothermic perfusion of livers in controlled circulatory death donation may prevent ischemic cholangiopathy and improve graft survival","volume":"19","author":"Watson","year":"2019","journal-title":"Am J Transplant"},{"key":"10.1016\/j.ajt.2026.10.006_bib6","doi-asserted-by":"crossref","first-page":"1169","DOI":"10.1111\/ajt.16899","article-title":"Abdominal normothermic regional perfusion in controlled donation after circulatory determination of death liver transplantation: Outcomes and risk factors for graft loss","volume":"22","author":"Hessheimer","year":"2022","journal-title":"Am. J. Transplant."},{"key":"10.1016\/j.ajt.2026.10.006_bib7","doi-asserted-by":"crossref","first-page":"2073","DOI":"10.1016\/j.jchf.2024.06.007","article-title":"Early U.S. heart transplant experience with normothermic regional perfusion following donation after circulatory death","volume":"12","author":"Benkert","year":"2024","journal-title":"JACC Heart Fail"},{"key":"10.1016\/j.ajt.2026.10.006_bib8","doi-asserted-by":"crossref","first-page":"987","DOI":"10.1016\/j.ajt.2023.04.021","article-title":"Six-month abdominal transplant recipient outcomes from donation after circulatory death heart donors: a retrospective analysis by procurement technique","volume":"23","author":"Wall","year":"2023","journal-title":"Am J Transplant"},{"issue":"6","key":"10.1016\/j.ajt.2026.10.006_bib9","doi-asserted-by":"crossref","first-page":"1108","DOI":"10.1002\/lt.26404","article-title":"The Current Landscape of Liver Transplantation After Ex Situ Machine Perfusion and Normothermic Regional Perfusion in the United States","volume":"28","author":"Croome","year":"2022","journal-title":"Liver Transpl"},{"issue":"4","key":"10.1016\/j.ajt.2026.10.006_bib10","doi-asserted-by":"crossref","DOI":"10.1097\/TXD.0000000000001925","article-title":"Back-to-base Versus In-transit Machine Perfusion in Donation After Circulatory Death Liver Transplantation: Insights From a National Registry","volume":"12","author":"Alderete","year":"2026","journal-title":"Transplant Direct"},{"issue":"3","key":"10.1016\/j.ajt.2026.10.006_bib11","doi-asserted-by":"crossref","first-page":"633","DOI":"10.1016\/j.ajt.2024.11.027","article-title":"The underreporting of liver machine perfusion in US national data","volume":"25","author":"Mu\u00f1oz","year":"2025","journal-title":"Am J Transplant"},{"issue":"12","key":"10.1016\/j.ajt.2026.10.006_bib12","doi-asserted-by":"crossref","first-page":"1282","DOI":"10.1097\/LVT.0000000000000156","article-title":"Development of a portable abdominal normothermic regional perfusion (A-NRP) program in the United States","volume":"29","author":"Croome","year":"2023","journal-title":"Liver Transpl"},{"issue":"8","key":"10.1016\/j.ajt.2026.10.006_bib13","doi-asserted-by":"crossref","first-page":"1660","DOI":"10.1097\/TP.0000000000005114","article-title":"American Society of Transplant Surgeons Normothermic Regional Perfusion Standards: Abdominal","volume":"108","author":"Croome","year":"2024","journal-title":"Transplantation"},{"key":"10.1016\/j.ajt.2026.10.006_bib14","unstructured":"OPTN Machine Perfusion Data Collection Workgroup Accessed July 13, 2026 at: https:\/\/www.hrsa.gov\/sites\/default\/files\/hrsa\/optn\/20250416_optn-opo_machine-perfusion-data-collection-workgroup_meeting-summary.pdf?utm_source=chatgpt.com."},{"issue":"7","key":"10.1016\/j.ajt.2026.10.006_bib15","doi-asserted-by":"crossref","first-page":"1621","DOI":"10.1111\/j.1600-6143.2010.03039.x","article-title":"Database comparison of the adult-to-adult living donor liver transplantation cohort study (A2ALL) and the SRTR U.S. Transplant Registry","volume":"10","author":"Gillespie","year":"2010","journal-title":"Am J Transplant"},{"key":"10.1016\/j.ajt.2026.10.006_bib16","doi-asserted-by":"crossref","first-page":"328","DOI":"10.1097\/TP.0000000000000070","article-title":"Donation after circulatory determination of death: The university of michigan experience with extracorporeal support","volume":"98","author":"Rojas-Pe\u00f1a","year":"2014","journal-title":"Transplantation"},{"issue":"3","key":"10.1016\/j.ajt.2026.10.006_bib17","doi-asserted-by":"crossref","first-page":"909","DOI":"10.3390\/jcm12030909","article-title":"Introducing Machine Perfusion into Routine Clinical Practice for Liver Transplantation in the United States: The Moment Has Finally Come","volume":"12","author":"Croome","year":"2023","journal-title":"J Clin Med"},{"issue":"7","key":"10.1016\/j.ajt.2026.10.006_bib18","doi-asserted-by":"crossref","first-page":"1184","DOI":"10.1097\/TP.0000000000005301","article-title":"Outcomes of DCD Liver Transplant Using Sequential Normothermic Regional Perfusion and Normothermic Machine Perfusion or NRP Alone Versus Static Cold Storage","volume":"109","author":"Croome","year":"2025","journal-title":"Transplantation"},{"issue":"7","key":"10.1016\/j.ajt.2026.10.006_bib19","doi-asserted-by":"crossref","first-page":"691","DOI":"10.1001\/jamasurg.2026.1604","article-title":"Portal-Venous Hypothermic Oxygenated Perfusion for Liver Transplant: A Randomized Clinical Trial","volume":"161","author":"Reich","year":"2026","journal-title":"JAMA Surg"},{"key":"10.1016\/j.ajt.2026.10.006_bib20","unstructured":"Bridge to Life FDA Accessed July 13, 2026 at: https:\/\/bridgetolife.com\/bridge-to-life-secures-fda-de-novo-clearance-for-vitasmart-hypothermic-oxygenated-perfusion-hope-system-the-first-device-cleared-in-the-u-s-for-hypothermic-oxygenated-perfusion-o\/."},{"key":"10.1016\/j.ajt.2026.10.006_bib21","unstructured":"Clinical Trials.gov Study to Evaluate Performance of the Organ Recovery Systems LifePort\u00ae Liver Transporter System, a Machine Perfusion System, for Liver Transplant (PILOT\u2122) [(accessed on 23 October 2022)]; Available online: https:\/\/clinicaltrials.gov\/ct2\/show\/NCT03484455."},{"issue":"6","key":"10.1016\/j.ajt.2026.10.006_bib22","doi-asserted-by":"crossref","first-page":"677","DOI":"10.1001\/jamasurg.2024.0520","article-title":"US Liver Transplant Outcomes After Normothermic Regional Perfusion vs Standard Super Rapid Recovery","volume":"159","author":"Brubaker","year":"2024","journal-title":"JAMA Surg"}],"container-title":["American Journal of Transplantation"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1600613526028091?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1600613526028091?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T23:31:31Z","timestamp":1791934291000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1600613526028091"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,10]]},"references-count":22,"alternative-id":["S1600613526028091"],"URL":"https:\/\/doi.org\/10.1016\/j.ajt.2026.10.006","relation":{},"ISSN":["1600-6135"],"issn-type":[{"value":"1600-6135","type":"print"}],"subject":[],"published":{"date-parts":[[2026,10]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Best Practices for Identifying In situ Normothermic Regional Perfusion and Ex Situ Machine Perfusion in OPTN\/SRTR Data: A Validation Study","name":"articletitle","label":"Article Title"},{"value":"American Journal of Transplantation","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ajt.2026.10.006","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 American Society of Transplantation & American Society of Transplant Surgeons. Published by Elsevier Inc. All rights are reserved, including those for text and data mining, AI training, and similar technologies.","name":"copyright","label":"Copyright"}]}}