ArticleAnnals of surgical treatment and research2020
Refined surgical techniques to improve the patency of cryopreserved iliac artery homografts for middle hepatic vein reconstruction during living donor liver transplantation.
Article in Annals of surgical treatment and research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 3 citations in OpenAlex.
- Systematic review and meta-analysis of the role of aorto-hepatic conduits in liver transplant: Known knowns and known unknowns.World journal of transplantation · 2025Article
- Optimizing venous outflow reconstruction for V5 & V8 in right-lobe living-donor liver transplantation: "half-circumferential anastomosis" using autologous vein grafts.Hepatobiliary surgery and nutrition · 2025Article
- Effects of different preservation methods of human iliac veins.Cell and tissue banking · 2023Article
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Authors and funding
12 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
purposeA cryopreserved iliac artery homograft (IAH) has not been considered suitable for middle hepatic vein (MHV) reconstruction during living donor liver transplantation (LDLT), primarily due to the low patency from its small diameter. We revised our surgical techniques for MHV reconstruction using an IAH to improve its patency.
methodsThis study analyzed the causes of early conduit occlusion and developed revised techniques to address this that had clinical application.
resultsThe potential risk factors for early conduit occlusion were the small IAH size, small graft in the segment V vein (V5) and segment VIII vein (V8) opening, and small recipient MHV-left hepatic vein stump. These factors were reflected to our revised surgical methods which included endarterectomy of the atherosclerotic plaque, unification of the internal and external iliac artery branches for large V5, and branch-patch arterioplasty for large V8. IAH endarterectomy, branch unification technique, and branch-patch arterioplasty were applied to 8, 5, and 5 patients, respectively and resulted in 1-month occlusion rates of 37.5%, 20.0%, and 40.0%, respectively. The overall patency rates of the IAH-MHV conduits in our 18 patients were 66.7% at 1 month, 38.9% at 3 months, and 33.3% at 1 year.
conclusionOur refined MHV reconstruction using an IAH improved short-term MHV conduit patency, but did not effectively prevent early conduit occlusion, particularly with a small- or medium-sized IAH. Individualized reconstruction designs during LDLT operation are needed when an IAH is used for a modified right liver graft.
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