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Total laparoscopic donor right hepatectomy (TLDRH) for adult living liver donors has been reported by a few experienced centers, but with limited cases, its safety and feasibility remain controversial. We report our experience initiating TLDRH using a stepwise approach to gradually convert laparoscopy-assisted donor right hepatectomy (LADRH) to TLDRH. We retrospectively analyzed the data of 61 LADRHs, 56 conventional open donor right hepatectomies (CODRHs), and 3 TLDRHs performed between March 2014 and June 2018. There were no significant differences in perioperative outcomes between donors undergoing LADRH and CODRH, except for a slight elevations in the operative time (436.5 vs 392.9 min, p

This study was designed to evaluate the possibility of avoiding small-for-size syndrome (SFSS) in living donor liver transplantation (LDLT) by increasing the donor's body weight (BW) before liver donation.Nineteen participants, including 15 volunteers and 4 liver donors, were enrolled in this study to increase their BW by 1.5-5 kg within 3 months by eating a high-protein and high-carbohydrate diet according to a flexible formula to increase calorie intake.Fifteen participants, including 12 volunteers and 3 live liver donors, successfully increased their BW by 1.5-5 kg within 3 months (failure rate, 21%). The actual liver weight (LW) gain was more than the expected LW gain using the formula for calculating standard liver volume (2.77- to 8.94-fold; median, 4.49-fold; mean, 4.45-fold, P0.005) and using the ratio of liver weight to body weight (1.36- to 4.49-fold; median, 2.01-fold; mean, 2.06-fold, P0.005). The enlargement of the livers was symmetrical without significant fatty change. The graft-versus-recipient weight ratio increased 0.17%, 0.07%, and 0.08%, respectively, for the three live liver donors and successful LDLTs were performed.By having liver donors eat a high-protein, high-carbohydrate diet to increase their BW in a short period of time, the actual LW may increase more than the expected LW gain without fatty change. This method of increasing LW may be used in selected cases of LDLT to avoid SFSS.