ArticleThe Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation2023
New OPTN/UNOS data demonstrates higher than previously reported waitlist mortality for lung transplant candidates supported with ECMO.
Article in The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Pediatric Lung Waitlist Score (PLWS): A Score to Predict Waitlist Time for Pediatric Lung Transplant Candidates.Clinical transplantation · 2026Article
- Impact of pretransplant extracorporeal membrane oxygen support duration on lung transplant outcomes: United Network for Organ Sharing analysis.JTCVS open · 2025Article
- ERS International Congress 2023: highlights from the Thoracic Surgery and Lung Transplantation Assembly.ERJ open research · 2024Article
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4 authors.
Funding
Abstract
backgroundThe use of extracorporeal membrane oxygenation (ECMO) is not currently incorporated into US allocation models due to the historical lack of complete data in the national US registry which changed in 2016 to include ECMO at the time of waitlist removal and more granular timing and configuration data.
methodsWe studied adult lung transplant candidates from May 1, 2016 to June 1, 2020 with data abstracted from multiple sources in the US Scientific Registry of Transplant Recipients. Waitlist analyses included cumulative incidence functions and Cox proportional hazards models considering ECMO as a time-dependent variable. Post-transplant analyses included Kaplan Meier, Cox proportional hazards models, and observed to expected survival ratios.
resultsA total of 867 candidates were on ECMO prior to transplant; 247 were identified using new sources of data. Candidates on ECMO had a 23.9 increased adjusted likelihood of waitlist removal for being too sick or death, but only a 4.08 increased adjusted likelihood of transplant. Candidates bridged with ECMO who underwent lung transplant (N = 587) experienced an increased overall hazard of post-transplant mortality with veno-arterial and veno-venous configurations conferring hazard ratio (HR) = 1.67 (95% CI, 1.16, 2.40), HR = 1.45 (95% CI, 1.15, 1.82), respectively.
conclusionsWe identified an additional 28.5% of candidates bridged with ECMO prior to transplant using new data. This study of the newly identified full cohort of ECMO candidates demonstrates higher utilization of ECMO as well as an underestimation of waitlist mortality risk factors that should inform strategies to provide timely access to transplants for this population.
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