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  • Title: Non-standard hepatic venous reconstruction in the setting of absent inferior vena cava in partial graft pediatric liver transplantation-A matched retrospective cohort study.
    Author: Leal-Leyte P, Valamparampil J, Thambithurai R, Shanmugam NP, Reddy MS, Rela M.
    Journal: Pediatr Transplant; 2021 Mar; 25(2):e13834. PubMed ID: 32959953.
    Abstract:
    Recipient cava may be unavailable for outflow reconstruction in some children undergoing liver transplantation (PLT) due to caval agenesis, tumor, or fibrotic caval occlusion. Non-standard hepatic venous reconstruction (NHVR) with a direct veno-caval anastomosis or neo-cava reconstruction is necessary in such cases. Retrospective review of all PLT needing NHVR performed in our unit from January 2010 to September 2019 was performed. Outcomes of this group were compared to a 2:1 matched control group who underwent transplantation with standard piggyback technique. Fifteen children (4.9%) of 304 PLT recipients underwent NHVR. Caval agenesis in biliary atresia (n = 5, 33%) and hepatoblastoma infiltrating the cava (n = 4, 27%) were the commonest indications. Ten children had neo-cava reconstruction, while 5 had direct anastomosis to the supra-hepatic caval cuff or right atrium. One child had developed neo-cava thrombosis without graft venous outflow obstruction in the post-operative period. There was no significant difference in major morbidity, need for re-operation (20% vs 16.7%; P = 1.00), hospital stay (24 days, vs 21 days; P = .32), graft & patient survival among the study and control groups. Absent or inadequate recipient cava during PLT with a partial liver graft can be safely managed with technical modifications. Results equivalent to standard piggyback implantation can be achieved.
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