Position PaperExtracorporeal membrane oxygenation in adults receiving@haematopoietic cell transplantation:an international expertstatementMatteo Di Nardo",Graeme MacLaren",Peter Schellongowski,Elie Azoulay,AmyE DeZem,Cristina Gutierrez,Massimo AntonelliMarta V Antonini,Gernot Beutel,Alain Combes,Rodrigo Diaz,Ibrahim Fawzy Hassan,Jo-Anne Fowles,In-Seok Jeong,Matthias KochanekTobias Liebregts,Catherina Lueck,Karen Moody,Jessica A Moore,Laveena Munshi,Matthew Paden,Frederic Pene Kathryn Puxty,Matthieu Schmidt,Dawid Staudocher,Thomas Staudinger,Joachim Stemmler,R Scott Stephens,Lisa Vande Vusse,Philipp Wohlfarth,Roberto Lorusso,Antonio Amodeo,Kris M Mahadeot,Daniel Brodiet,on behalfof the European Society of Intensive Care Medicinethelnternational ECMO Network,and the Extracorporeal Life Support OrganizationCombined advances in haematopoietic cell transplantation (HCT)and intensive care management have improved the LancetRespirMed 2023survival of patients with haematological malignancies admitted to the intensive care unit.In cases of refractoryPublished Onlinerespiratory failure or refractory cardiac failure,these advances have led to a renewed interest in advanced life supportMch13.2023therapies,such as extracorporeal membrane oxygenation(ECMO),previously considered inappropriate for thesehttps//doiorg/10.1016/patients due to their poor prognosis.Given the scarcity of evidence-based guidelines on the use of ECMO in patients522132600220005B5-5receiving HCT and the need to provide equitable and sustainable access to ECMO,the European Society of IntensiveSeeOnline/Commenthttps//doiorg/10.1016/Care Medicine,the Extracorporeal Life Support Organization,and the International ECMO Network aimed to develop52213-2600(2300043-7an expert consensus statement on the use of ECMO in adult patients receiving HCT.A steering committee withjoint first authorsexpertise in ECMO and HCI searched the literature for relevant articles on ECMO,HCT,and immune effector celltjoint last authortherapy,and developed opinion statements through discussions following a Quaker-based consensus approach.AnPaediatric IntensiveCare Unitintemational panel of experts was convened to vote on these expert opinion statements following the Research and(Prof MDi Nardo MD)andDevelopment/University of Califomia,Los Angeles Appropriateness Method.The Appraisal of Guidelines forCardiac Surgery Unit,Research and Evaluation statement was followed to prepare this Position Paper.36 statements were drafted by theDepartment of PaediatricCardiology and Cardiac Surgerysteering committee,33 of which reached strong agreement after the first voting round.The remaining three(ProfA Amodeo MD)Bambinostatements were discussed by all members of the steering committee and expert panel,and rephrased before anGesi Children's Hospital,IRCCS,additional round of voting.At the condusion of the process,33 statements received strong agreement and three weakRome,Italy:Cardiothoracicagreement.This Position Paper could help t