Purpose: To evaluate the short term-outcomes of venous reconstruction using a round ligament-covered prosthetic vascular graft and assess its effectiveness in the prevention of prosthetic vascular graft migration in right‑lobe living donor liver transplantation (LDLT).

Methods And Results: Thirty patients underwent reconstruction of the middle hepatic vein (MHV) tributaries during right lobe LDLT between January, 2021 and October, 2022. These patients were divided into the autologous vascular graft group (A group, n = 24) and the round ligament-covered prosthetic vascular graft group (RP group, n = 6). The computed tomography (CT) density ratio of the drainage area in the posterior segment of patent grafts was significantly higher in the RP group than in the A group (0.91 vs. 1.06, p = 0.0025). However, the patency rates of reconstructed MHV tributaries in the A and RP groups were 61% and 67%, respectively, with no significant difference between the groups (p = 0.72). Prosthetic vascular graft migration did not occur in the RP group.

Conclusion: Venous reconstruction using round ligament-covered prosthetic vascular grafts is a feasible and simple method to prevent prosthetic vascular graft migration in right-lobe LDLT.

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http://dx.doi.org/10.1007/s00595-024-02793-2DOI Listing

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