Relationship between preoperative volume and weight of the right liver lobe graft, with and without the middle hepatic vein, in living-donor transplantation

World J Surgery

Authors: Peron Jr G, Salzedas Netto AA, Mancero JP, Ribeiro Jr MAF, Copstein JL, Silva AO, D'Albuquerque LAC e Gonzalez AM

Abstract

Background

The aim of this study was to assess the relationship between the preoperative volume of the right liver lobe (as determined by computed tomography) and the intraoperative graft weight with or without the middle hepatic vein.

Methods

Sixty-three patients who underwent liver transplantation were included in this study. The preoperative volumes of both the left and the right liver lobe were measured in all patients using computed tomography. The intraoperative weight of the right liver lobe was also measured with (group 1, n = 29) and without (group 2, n = 34) the middle hepatic vein. The results were compared with respect to gender, age, body weight, height, body mass index (BMI), weights of the left and right liver lobes as measured by computed tomography, and intraoperative weight of the right liver lobe.

Results

A 21.64 % difference was observed between the weight of the right liver lobe as measured by computed tomography and the weight of the right lobe without the hepatic vein as measured intraoperatively (group 2). Moreover, a 12.38 % difference was observed between the weight of the right liver lobe as measured by computed tomography and the weight of the right lobe plus the middle hepatic vein as measured intraoperatively (group 1).

Conclusions

The weight of the right liver lobe graft in a living-donor transplantation is less than that calculated by preoperative computed tomography, and the inclusion of the middle hepatic vein in the right liver lobe graft resulted in a statistically significant decrease in this difference.

 

 

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