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Nagata R, Akamatsu N, Shibata E, Takao H, Ichida A, Mihara Y, Kawaguchi Y, Ishizawa T, Kaneko J, Arita J, Tamura S, Abe O, Hasegawa K. Metallic Stents for Hepatic Venous Outflow Obstruction After Living-Donor Liver Transplantation and their Therapeutic Effects. Transplant Proc 2024; 56:125-134. [PMID: 38177046 DOI: 10.1016/j.transproceed.2023.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 10/26/2023] [Accepted: 11/30/2023] [Indexed: 01/06/2024]
Abstract
BACKGROUND Living-donor liver transplantation (LDLT) is established as a standard therapy for end-stage liver disease; however, vessel reconstruction is more demanding due to the short length and small size of the available structures compared with deceased-donor whole liver transplantation. Interventional radiology (IR) has become the first-line treatment for vascular complications after LDLT. Hepatic venous outflow obstruction (HVOO) is a life-threatening complication after LDLT. The aim of this study of 592 adult-to-adult LDLT cases was to investigate the safety and efficacy of stent implantation for HVOO after LDLT. METHODS Records of patients who developed HVOO requiring any treatment were collected with special reference to the metallic stent implantation. There were 232 left-side grafts and 360 right-side grafts. Sixteen cases developed HVOO after LDLT with an incidence rate of 2.7%, 5 with a left liver graft (2%), and 11 with a right-side graft (3%). The IR was attempted for 14 cases; among those, 8 cases were treated by stent implantation. RESULTS The technical success rate of the initial stent implantation was 100%. The pressure gradient at the stenotic site significantly improved from 12.2 (range, 10.9-20.4 cm H2O) to 3.9 cm H2O (range, 1.4-8.2 cm H2O; P = .03). The volume of the congested graft liver decreased significantly from 1448 (range, 788-2170 mL) to 1265 mL (range, 748-1665 mL; P = .01), and the serum albumin level improved significantly from 3.3 (range, 1.7-3.7 g/dL) to 3.7 g/dL (range, 2.9-4.1 g/dL; P = .02). No procedure-related complication was noted, and the long-term stent patency was 100%. CONCLUSION Metallic stent implantation for stenotic venous anastomosis after LDLT is a safe and effective treatment.
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Affiliation(s)
- Rihito Nagata
- Department of Surgery, Artificial Organ and Transplantation Division, Graduate School of Medicine, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan
| | - Nobuhisa Akamatsu
- Department of Surgery, Artificial Organ and Transplantation Division, Graduate School of Medicine, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan
| | - Eisuke Shibata
- Department of Radiology, Graduate School of Medicine, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan
| | - Hidemasa Takao
- Department of Radiology, Graduate School of Medicine, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan
| | - Akihiko Ichida
- Department of Surgery, Artificial Organ and Transplantation Division, Graduate School of Medicine, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan
| | - Yuichiro Mihara
- Department of Surgery, Artificial Organ and Transplantation Division, Graduate School of Medicine, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan
| | - Yoshikuni Kawaguchi
- Department of Surgery, Artificial Organ and Transplantation Division, Graduate School of Medicine, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan
| | - Takeaki Ishizawa
- Department of Surgery, Artificial Organ and Transplantation Division, Graduate School of Medicine, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan
| | - Junichi Kaneko
- Department of Surgery, Artificial Organ and Transplantation Division, Graduate School of Medicine, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan
| | - Junichi Arita
- Department of Surgery, Artificial Organ and Transplantation Division, Graduate School of Medicine, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan
| | - Sumihito Tamura
- Department of Surgery, Artificial Organ and Transplantation Division, Graduate School of Medicine, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan
| | - Osamu Abe
- Department of Radiology, Graduate School of Medicine, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan
| | - Kiyoshi Hasegawa
- Department of Surgery, Artificial Organ and Transplantation Division, Graduate School of Medicine, The University of Tokyo, Bunkyo-Ku, Tokyo, Japan.
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