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17 December 2019 : Original article  

Hemashield Vascular Graft Is a Preferable Prosthetic Graft for Middle Hepatic Vein Reconstruction in Living Donor Liver Transplantation

Gil-Chun Park1ABCDE, Shin Hwang1ABCDEFG*, Tae-Yong Ha1BCD, Gi-Won Song1BCD, Dong-Hwan Jung1BCD, Chul-Soo Ahn1BCD, Deok-Bog Moon2BCD, Ki-Hun Kim1BCD, Young-In Yoon1BCD, Hui-Dong Cho1BCD, Jae-Hyun Kwon1BCD, Yong-Kyu Chung1BCD, Sang-Hyun Kang1BCD, I-Ji Jung1BCD, Jin-Uk Choi1BCD, Sung-Gyu Lee1ACD

DOI: 10.12659/AOT.919780

Ann Transplant 2019; 24:639-646


BACKGROUND: Because of the supply shortage for homologous vein allografts, we previously used ringed Gore-Tex vascular grafts for middle hepatic vein (MHV) reconstruction in living donor liver transplantation. However, owing to the subsequent unavailability of ringed Gore-Tex grafts, we replaced them with Hemashield vascular grafts. This study aimed to compare the patency of Hemashield grafts with that of ringed Gore-Tex grafts.

MATERIAL AND METHODS: This was a retrospective double-arm study between the study group that used Hemashield grafts (n=63) and the historical control group that used ringed Gore-Tex grafts (n=126).

RESULTS: In the Gore-Tex and Hemashield groups, mean age was 53.1±6.2 and 54.3±10.4 years; model for end-stage liver disease score was 16.5±8.3 and 17.5±9.9; and graft-recipient weight ratio was 1.11±0.23 and 1.12±0.25, respectively. In the Gore-Tex graft group, V5 reconstruction was done in single (n=107, 84.9%), double (n=17, 13.5%), and none (n=2, 1.6%). V8 reconstruction was done in single (n=95, 75.4%), double (n=1, 0.8%), and none (n=30, 23.8%). In the Hemashield group, V5 reconstruction was done in single (n=43, 68.3%), double (n=19, 30.2%), and triple (n=1, 1.6%). V8 reconstruction was done in single (n=45, 71.4%), double (n=9, 14.3%), and none (n=9, 14.3%). One-year conduit patency rates in the Gore-Tex and Hemashield groups were 54.8% and 71.6%, respectively (p=0.048).

CONCLUSIONS: MHV reconstruction using Hemashield vascular grafts demonstrated higher short-term patency rates than those associated with ringed Gore-Tex vascular grafts. We suggest that the Hemashield vascular graft is one of the best prosthetic materials for MHV reconstruction.

Keywords: Hepatic Veins, Liver Transplantation, Living Donors, Blood Vessel Prosthesis, Blood Vessel Prosthesis Implantation, End stage liver disease, Middle Aged, Polytetrafluoroethylene, Prosthesis Design, Retrospective Studies, Tomography, X-Ray Computed, Vascular Grafting, Vascular Patency

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