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  • Title: The "territorial belonging" of the middle hepatic vein: a troublesome dilemma in adult live donor liver transplantation--anatomical evidence based on virtual 3-dimensional-computed tomography-imaging reconstructions.
    Author: Radtke A, Schroeder T, Molmenti EP, Sotiropoulos GC, Nadalin S, Schenk A, Malamutmann E, Saner F, Valentin-Gamazo C, Dahmen U, Lang H, Peitgen HO, Broelsch CE, Malagò M.
    Journal: Eur J Med Res; 2006 Feb 21; 11(2):66-72. PubMed ID: 16504963.
    Abstract:
    BACKGROUND: The venous drainage of the liver plays an essential role in securing viability of both graft and remnant in live donor liver transplantation (LDLT). There is still controversy on whether the middle hepatic vein (MHV) should be routinely included as part of the graft or retained with the remnant liver. The purpose of this study was to analyze hepatic venous drainage patterns based on information obtained by 3-dimensional CT-imaging reconstructions. METHODOLOGY: Fifty five potential live liver donors were evaluated between January 2003 and May 2004 at our Institution. We analyzed two anatomical definitions of liver dominance: total liver dominance (TLD) and hemiliver dominance (HLD). The following concepts were addressed: 1) Hepatic vein territories, 2) Hepatic vein dominance relationship, 3) Territorial belonging- patterns of the MHV to the right and left hemilivers, additionally an analysis of venous outflow in the central liver sectors was performed. RESULTS: Our results showed that: 1) The definitions of dominance: TLD vs. HLD overlap, displaying the MHV belonging, by taking into account the individual right hepatic vein (RHV) variability; 2) A dominant RHV for the whole liver indicates that the RHV is also dominant in the right hemiliver; 3) The MHV belongs predominantly to the left hemiliver (LHL); 4) The left hepatic vein (LHV) is dominant in the LHL. CONCLUSION: Both dominance definitions provide independent mappings of the liver and offer helpful insight into venous dominance relationship.
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