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  • Title: Initial piggyback technique facilitates late liver retransplantation - a retrospective monocentric study.
    Author: Laroche S, Maulat C, Kitano Y, Golse N, Azoulay D, Sa Cunha A, Vibert E, Adam R, Cherqui D, Allard MA.
    Journal: Transpl Int; 2021 May; 34(5):835-843. PubMed ID: 33650170.
    Abstract:
    Optimal management of inferior vena cava (IVC) is crucial to ensure safety in late liver retransplantation (ReLT). The aim of this study was to evaluate different surgical strategies with regard to IVC in late ReLT. All consecutive late ReLT (≥90 days from the previous transplant) from 2013 to 2018 in a single center was reviewed (n = 66). Of them, 46 (69.7%) were performed without venovenous bypass (VVB) including 29 with caval preservation (CP) and 17 with caval replacement (CR). The remaining 20 cases (30.3%) required the use of VVB. Among ReLT without VVB, CP was associated with a lower number of packed red blood cells (median 4 vs. 7; P = 0.016) and a lower incidence of post-transplant acute kidney injury (6.9% vs. 47.1%; P = 0.003). The feasibility of CP was 95% (14/15) in patients with previous 3-vein piggyback caval anastomosis versus 48.3% (15/31) after other techniques (P = 0.003). Indirect signs of portal hypertension (PHT) before retransplantation were predictive of VVB requirement. Early and long-term outcomes were similar across the three groups (CP without VVB, CR without VVB, and VVB). Preserving the IVC in late ReLT is associated with better postoperative renal function and is facilitated by a previous 3-vein piggyback. Routine CR is not justified in late ReLT.
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