Abstract
BackgroundMost institutions apply the criteria for controlled donation after cardiac death (cDCD) lung retrieval identical to the criteria for donation after brain death (DBD). The availability of extended criteria donor (ECD) in lung transplants from cDCD remains unclear. MethodsThe United Network for Organ Sharing (UNOS) database was queried for adult lung transplants from cDCD, from May 03, 2005, to March 15, 2022. ECDs were defined by one or more items at variance from standard criteria: age 55 years or more, PaO2:FiO2 300 or less, smoking 20 pack-years or more, diabetes, or purulent secretions upon bronchoscopy. Recipients were divided into the standard criteria donor (SCD) group and the ECD group, and assessed for short- and long-term survival and postoperative events. ResultsAmong 827 records, the SCD and ECD group showed no differences in 5-year (P = .56) survival. No significant differences were found in 30-day, 90-day, 1-year mortality and postoperative outcomes before discharge, whether in length of hospital stay, rate of ventilator support for >48 hours or reintubation, incidence of grade 3 PGD 72 hours posttransplant, acute rejection, or dialysis. None of the 5 donor factors used as criteria for lung retrieval was independently associated with cDCD recipient survival. ConclusionsUsing donor lungs that extend the DBD criteria may be a safe strategy in cDCD lung transplantation. However, the current criteria may not be a perfect fit for cDCD lung retrieval. The specific DCD criteria for standard lung retrieval need to be determined.
Published Version
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