Background
In Australia, increased organ donation and subsequent lung transplantation (LTx) rates
have followed enhanced donor identification, referral and management, as well as the
introduction of a donation after circulatory death (DCD) pathway. However, the number
of patients waiting for LTx still continues to exceed the number of lung donors and
the search for further suitable donors is critical.
Methods
All 2014–2018 Victorian DonateLife hospital deaths after intensive care unit (ICU)
admission were analysed retrospectively to quantify unrecognised lung donors using
current criteria, as well as novel time-extended (90 mins–24 hrs post-withdrawal)
DCD lung donors.
Results
Using standard lung donor eligibility criteria, we identified 473 potential lung donors
and a further 122 time-extended DCD potential lung donors among 3,538 patients meeting
general eligibility criteria. Detailed review of end-of-life discussions with patient
families and the reasons why they were not offered donation revealed several categories
of additional lung donors–traditional lung donors missed in current practice (n=2);
hepatitis C infected lung donors potentially treatable with direct-acting antivirals
(n=14), time-extended DCD lung donors (n=60); donor lungs potentially suitable for
transplant with use of ex-vivo lung perfusion (EVLP) (n=7).
Conclusion
While the number of lung donor opportunities missed under existing DonateLife donor
identification and management processes was limited, a time-extended DCD lung donation
pathway could substantially expand the lung donor pool. The use of hepatitis C infected
donors, and the possibility of EVLP to solve donor graft assessment or logistic issues,
could also provide small additional lung donor opportunities.
Keywords
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Article info
Publication history
Published online: June 25, 2021
Accepted:
May 15,
2021
Received in revised form:
May 3,
2021
Received:
September 22,
2020
Identification
Copyright
© 2021 Australian and New Zealand Society of Cardiac and Thoracic Surgeons (ANZSCTS) and the Cardiac Society of Australia and New Zealand (CSANZ). Published by Elsevier B.V. All rights reserved.