Anatomical study of the paracaval branch of the caudate lobe: implications of paracaval portion-preserving right hepatectomy for donors with marginal remnant liver volume.

ABSTRACT:

Background

In living donor liver transplantation, the remnant liver volume (RLV) is important when selecting a donor, and it should usually exceed 35%. However, there have been no studies on the preservation of the caudate lobe in donors with marginal RLV. This study aimed to analyze and preserve the paracaval branch by using donor right hepatectomy (DRH).

Methods

We retrospectively reviewed data from liver donors who underwent DRH between August 2022 and July 2023. The paracaval branch was classified based on its origin [right, left, or bifurcation of main portal vein (MPV)]. For the left or bifurcation types, the paracaval branch was categorized by size and the paracaval portion volume was measured. The expected preserved area after paracaval portion-preserving DRH was est

SUBMITTER: Kim NR 

PROVIDER: S-EPMC12690311 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature