Graft reconditioning with nitric oxide gas in rat liver transplantation from cardiac death donors

  • Kageyama S
  • Yagi S
  • Tanaka H
 et al. 
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Abstract

BACKGROUND: Liver transplant outcomes using grafts donated after cardiac death (DCD) remain poor. METHODS: We investigated the effects of ex vivo reconditioning of DCD grafts with venous systemic oxygen persufflation using nitric oxide gas (VSOP-NO) in rat liver transplants. Orthotopic liver transplants were performed in Lewis rats, using DCD grafts prepared using static cold storage alone (group-control) or reconditioning using VSOP-NO during cold storage (group-VSOP-NO). Experiment I: In a 30-min warm ischemia model, graft damage and hepatic expression of inflammatory cytokines, endothelial nitric oxide synthase (eNOS), inducible nitric oxide synthase (iNOS), and endothelin-1 (ET-1) were examined, and histologic analysis was performed 2, 6, 24, and 72 hr after transplantation. Experiment II: In a 60-min warm ischemia model, grafts were evaluated 2 hr after transplantation (6 rats/group), and survival was assessed (7 rats/group). RESULTS: Experiment I: Group-VSOP-NO had lower alanine aminotransferase (ALT) (P

Author-supplied keywords

  • Cardiac death donor
  • IschemiaYreperfusion injury
  • Liver transplantation
  • Organ preservation
  • Warm ischemia

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