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04 August 2022 : Original article  

[In Press] Long-Term Patency of All-in-One Sleeve Patch Graft Venoplasty in 16 Patients Who Underwent Living Donor Liver Transplantation with a Right Liver Graft: A 10-Year, Single-Center, Retrospective Study

Byeong-Gon Na ORCID logo1ABCDE, Shin Hwang ORCID logo1ABCDEF, Dong-Hwan Jung ORCID logo1BCDE, Chul-Soo Ahn ORCID logo1BCDE, Deok-Bog Moon ORCID logo1BCDE, Tae-Yong Ha ORCID logo1BCDE, Gi-Won Song ORCID logo1BCDE, Gil-Chun Park ORCID logo1BCDE, Sung-Gyu Lee ORCID logo1BCDE

DOI: 10.12659/AOT.936888

Ann Transplant In Press; DOI: 10.12659/AOT.936888  

Available online: 2022-08-04, In Press, Corrected Proof

Publication in the "In-Press" formula aims at speeding up the public availability of the pending manuscript while waiting for the final publication. The assigned DOI number is active and citable. The availability of the article in the Medline, PubMed and PMC databases as well as Web of Science will be obtained after the final publication according to the journal schedule

Abstract

BACKGROUND
This retrospective study from a single center aimed to evaluate the long-term patency of all-in-one sleeve venoplasty (ASV) in 16 patients who underwent living donor liver transplantation (LDLT) with a right liver graft (RLG) between 2009 and 2019. ASV unifies the right hepatic vein (RHV), short hepatic vein (SHV), and middle hepatic vein (MHV) of an RLG. ASV enables wide side-to-side anastomosis to the recipient inferior vena cava (IVC).
MATERIAL AND METHODS
Of 2875 patients who underwent LDLT with an RLG from August 2009 to July 2019, 16 (0.5%) patients underwent ASV. We analyzed the ASV techniques applied to these patients, as well as patient long-term outcomes.
RESULTS
Type 1 ASV unified 1 RHV, 1 IRHV, and 1 MHV conduit (n=12 [75.0%]). Type 2 ASV unified 1 RHV, multiple IRHVs, and 1 MHV conduit (n=4 [25.0%]). All patients are currently alive, with a mean follow-up period of 70.1±41.9 months. No patient underwent retransplantation. Follow-up computed tomography showed SHV occlusion in 1 (6.3%) patient at 4 months, resulting in 1-, 3-, and 5-year SHV patency rates of 93.8% each. MHV occlusion was identified in 6 (37.5%) patients, with 1-, 3-, and 5-year MHV patency rates of 81.3%, 68.8%, and 68.8%, respectively (P=0.037). No patient underwent endovascular stenting of the SHV or MHV. Patency rates were significantly higher for SHV than MHV (P=0.037).
CONCLUSIONS
ASV using various vascular patches is a useful technique enabling secure reconstruction of an RLG in grafts with complex hepatic vein anatomy or recipients with poor IVC condition.

Keywords: Liver Transplantation; Hepatic Vein Outflow Obstruction; Hepatic Vein; Allograft; Liver Grafting

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04 Aug 2022 : Original article  

Long-Term Patency of All-in-One Sleeve Patch Graft Venoplasty in 16 Patients Who Underwent Living Donor Liv...

Ann Transplant In Press; DOI: 10.12659/AOT.936888  

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Annals of Transplantation eISSN: 2329-0358
Annals of Transplantation eISSN: 2329-0358