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. 2016 Jan;100(1):147-52.
doi: 10.1097/TP.0000000000000915.

Controlled Oxygenated Rewarming of Cold Stored Livers Prior to Transplantation: First Clinical Application of a New Concept

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Controlled Oxygenated Rewarming of Cold Stored Livers Prior to Transplantation: First Clinical Application of a New Concept

Dieter P Hoyer et al. Transplantation. .

Abstract

Background: Abrupt temperature shift from hypothermia to normothermia incurred on reperfusion of organ grafts has been delineated as a genuine factor contributing to reperfusion injury and graft dysfunction after transplantation.

Methods: In a first clinical series of 6 patients, cold-stored livers, all allocated by the rescue offer mechanism by Eurotransplant, were subjected to machine-assisted slow controlled oxygenated rewarming (COR) for 90 minutes before engrafting. A historical cohort of 106 patients basically similar in graft (all rescue offer organs) and recipient factors was used for comparison.

Results: The clinical benefit of COR was documented by a significant reduction by approximately 50% in peak serum transaminases after transplantation compared to untreated controls (AST 563.5 vs. 1204 U/L, P = 0.023). After 6 months graft survival was 100% in the COR group and 80.9% in the controls (P = 0.24). Respective patient survival was 100% and 84.7% (P = 0.28). Real-time assessment of glucose concentration in the perfusion solution correlated well with postoperative synthetic graft function (r = 0.78; P < 0.02). All treated recipients had normal liver function after a 6-month follow-up and are well and alive.

Conclusions: This first clinical application suggests that controlled graft rewarming after cold storage is a feasible and safe method in clinical praxis and might become an adjunct in organ preservation.

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