• Reza Yusoff, James Preuss, William Weightman, Milena Wilke, Rupert Hodder, Shirley Jansen, Joseph Hockley, and Justine Proctor.
• Department of Anaesthesia, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia.
• J. Cardiothorac. Vasc. Anesth. 2023 Jul 1; 37 (7): 122312291223-1229.

ObjectiveTo describe the introduction of extracorporeal corporeal oxygenation (ECMO) to facilitate the surgical resection of large retroperitoneal sarcomas involving major vessels and to report preliminary outcomes.DesignA case series.SettingAt a tertiary university hospital and state sarcoma center.ParticipantsPatients undergoing retroperitoneal sarcoma resection requiring inferior vena cava (IVC) reconstruction between June 2018 and March 2022.InterventionECMO for retroperitoneal tumor resection requiring IVC reconstruction.Measurements And Main ResultsA total of 20 patients underwent ECMO-assisted retroperitoneal sarcoma resection and IVC reconstruction. The median age was 60.5 years (IQR 48-69); 15 women and 5 men. The median procedure and ECMO durations were 10.8 hours (IQR 8.5-12.4 hours) and 2.2 hours (IQR 62-218 minutes), respectively. The median intensive care unit and hospital lengths of stay were 4 days (IQR 3-5 days) and 21 days (IQR 14-31 days), respectively. All 20 patients received packed cell transfusions (median 8 per patient [IQR 4-14]); 11 patients required fresh frozen plasma, 6 required platelets, and 11 required fibrinogen supplementation. One patient required recombinant activated factor VII. Sixteen patients experienced acute kidney injury, with 12 patients progressing to chronic kidney disease. Three patients were required to return to the operating room within 7 days, with no returns within the first 24 hours. There was no in-hospital or 30-day mortality. Survival at 3 years was 84%.ConclusionsECMO for resecting large retroperitoneal tumor resection was introduced successfully and facilitated satisfactory outcomes for many patients who might otherwise have been considered too high risk.Copyright © 2023 Elsevier Inc. All rights reserved.

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