Article

Is preservation of middle hepatic vein tributaries during right hemi-hepatectomy beneficial for live donor liver transplantation?

Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.
Hepato-gastroenterology (impact factor: 0.66). 10/2011; 59(115):818-9. DOI:10.5754/hge11589
Source: PubMed

ABSTRACT When right hemi-hepatectomy without middle hepatic vein (MHV) is performed in a living donor (LD), MHV tributaries such as V5 and V8 may be preserved during parenchymal transection to preserve liver function and reduce the damage of the graft. However, no study has so far investigated whether this preservation of MHV tributaries during parenchymal transection has impact on live donor operation or graft function.
Of 52 hepatectomies for right lobe LD, MHV tributaries were preserved during hepatic parenchymal transection in 11 cases, while, in the remaining 41 cases MHV tributaries were sacrificed when those were encountered during hepatic parenchymal transection.
There was no significant difference in blood loss, operative time, zenith liver enzyme level in a donor and rate of graft failure in a recipient.
It was demonstrated that there was no significant effect of outflow preservation from MHV tributaries on LD hepatectomy for right lobe donation and subsequent liver transplantation.

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Keywords

blood loss
 
donor operation
 
hemi-hepatectomy
 
hepatic parenchymal transection
 
LD
 
LD hepatectomy
 
liver function
 
living donor
 
lobe LD
 
MHV
 
MHV tributaries
 
middle hepatic vein
 
operative time
 
parenchymal transection
 
remaining 41 cases MHV tributaries
 
significant effect
 
subsequent liver transplantation
 
zenith liver enzyme level