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Updated: Mar 28, 2026

Porcine Liver Transplantation Without Veno-Venous Bypass As an Extended Criteria Donor Model
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Intraoperative Oxygen Consumption During Liver Transplantation.

M Shibata1, T Matsusaki1, R Kaku1

  • 1Department of Anesthesiology and Resuscitology, Okayama University Hospital, Okayama, Japan.

Transplantation Proceedings
|December 29, 2015
PubMed
Summary

Oxygen consumption significantly increases after liver reperfusion. Higher oxygen consumption post-reperfusion in liver transplant patients correlates with longer cold ischemia times and shorter hospital stays.

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Area of Science:

  • Hepatology
  • Transplantation Surgery
  • Physiology

Background:

  • Liver transplantation involves complex physiological changes.
  • Monitoring metabolic demands, such as oxygen consumption, is crucial during the procedure.
  • Understanding intraoperative metabolic shifts may predict postoperative outcomes.

Purpose of the Study:

  • To investigate changes in oxygen consumption during liver transplantation.
  • To examine the relationship between elevated intraoperative oxygen consumption and postoperative liver function.

Main Methods:

  • Indirect calorimetry was used to measure intraoperative oxygen consumption in 33 adult liver transplant recipients.
  • Preoperative and intraoperative data, liver function tests, and postoperative outcomes were analyzed.

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  • Patients were stratified based on the increase in oxygen consumption post-reperfusion.
  • Main Results:

    • Oxygen consumption significantly increased after reperfusion (172 to 209 mL/min, P < .0001).
    • Patients with higher post-reperfusion oxygen consumption exhibited longer cold ischemia times and elevated postoperative liver enzymes (AST, ALT).
    • The higher oxygen consumption group showed a trend towards shorter hospital stays.

    Conclusions:

    • Oxygen consumption demonstrably rises after reperfusion in liver transplantation.
    • Increased intraoperative oxygen consumption is linked to longer cold ischemia and shorter hospital stays.
    • These findings highlight the metabolic significance of reperfusion in liver allografts.