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Medical Science Monitor Basic Research


eISSN: 2329-0358

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Short- and Long-Term Outcomes of Different Reperfusion Sequences in Liver Transplantation

Ann-Kathrin Eichelmann, Thomas Vogel, Ann-Kathrin Fuchs, Philipp Houben, Shadi Katou, Felix Becker, Hartmut H. Schmidt, Christian Wilms, Andreas Pascher, Jens G. Brockmann

(Department of General, Visceral and Transplant Surgery, University Hospital of Münster, Münster, Germany)

Ann Transplant 2021; 26:e926847

DOI: 10.12659/AOT.926847

BACKGROUND: Although most centers perform primary portal vein reperfusion (PV) in orthotopic liver transplantation (OLT) for historical reasons, there is so far no sound evidence as to whether this technique is superior. The present study evaluated the long-term outcome of 3 different reperfusion sequences: PV vs primary arterial (A) vs simultaneous reperfusion (SIM).
MATERIAL AND METHODS: All patients at our center who underwent OLT (who received a primary, whole-organ liver graft) from 2006 to 2007 were evaluated for analysis.
RESULTS: A total of 61 patients were found eligible (PV: 25, A: 22, SIM: 14). Twenty-one patients (35%) were still alive after the follow-up period of 12 years. Despite poorer starting conditions such as higher recipient age (59 y (SIM) vs 55 y (A) vs 50 y (PV), P=0.01) and donor age (56 y (SIM) vs 51 y (PV) vs 50 y (A), n.s.), higher MELD scores (22 vs 19 (PV) vs 17 (A), n.s.), as well as a higher number of marginal donor organs (79% (SIM) vs 36% (A/PV), P=0.02), SIM-recipients demonstrated superior outcomes. Overall survival was 8.1 y (SIM), 4.8 y (PV), and 5.9 y (A, n.s.)). None of the SIM-recipients underwent re-transplantation, while the rate was 32% in the PV-group. The 8.1 y graft survival in SIM-recipients was significantly longer than in the other 2 groups, which were 3.3 y (PV) and 5.5 y (A, P=0.013).
CONCLUSIONS: Although SIM-reperfused recipients were the oldest and received grafts of inferior quality, these recipients showed superior results in terms of overall patient and graft survival. Multicentric randomized controlled trials with larger study populations are required to confirm this finding.

Keywords: Liver Transplantation, Primary Graft Dysfunction, Reperfusion Injury

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