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. 2016 Dec;18(12):1031-1038.
doi: 10.1016/j.hpb.2016.08.007. Epub 2016 Sep 21.

Venous drainage map of the liver for complex hepatobiliary surgery and liver transplantation

Keigo Tani  1 , Junichi Shindoh  2 , Nobuhisa Akamatsu  1 , Junichi Arita  1 , Junichi Kaneko  1 , Yoshihiro Sakamoto  1 , Kiyoshi Hasegawa  1 , Norihiro Kokudo  3
Affiliations

Venous drainage map of the liver for complex hepatobiliary surgery and liver transplantation

Keigo Tani et al. HPB (Oxford). 2016 Dec.

Abstract

Background: Inflow and outflow patency of the liver parenchyma is required to maximize the metabolic function of the liver. However, the definition and distribution of hepatic venous drainage regions has yet to be reported. The aim of this study was to define major hepatic venous tributaries and investigate the mean drainage volume of each territory.

Methods: Three-dimensional (3D) simulations from the livers of 100 healthy donors were reviewed for living donor liver transplantation to determine the distribution of the significant hepatic venous tributaries and the drainage patterns of each segment.

Results: The left hepatic vein (LHV), middle hepatic vein (MHV), and right hepatic vein (RHV) contributed a mean drainage of 20.7%, 32.7%, and 39.6% of the entire liver, respectively. Accessory hepatic veins accounted for remaining 7.0%. The middle right hepatic vein (MRHV) and inferior right hepatic vein (IRHV) accounted for a mean total drainage of 8.0% and 10.6%, respectively, when they present. In addition, major tributaries of hepatic veins were clearly detected, and their typical distributions were described.

Conclusions: Knowledge of hepatic venous territories is necessary for complex hepatobiliary surgery. This "venous drainage map" may provide useful information for complex liver surgery and transplantation.

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Figures

Figure 1
Figure 1
Drainage area of left hepatic vein (LHV) tributaries
Figure 2
Figure 2
Drainage area of middle hepatic vein (MHV) tributaries
Figure 3
Figure 3
Drainage area of right hepatic vein (RHV) tributaries
Figure 4
Figure 4
(a) Drainage area of the right hepatic vein (RHV) region in cases where the middle right hepatic vein. (MRHV) was present (n = 8). (b) Drainage area of the right hepatic vein (RHV) region in cases where the inferior right hepatic vein. (IRHV) was present (n = 22). (c) Drainage area of the right hepatic vein (RHV) region in cases where the middle right hepatic vein. (MRHV) and inferior right hepatic vein (IRHV) were present (n = 12)
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