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  • Title: Adult living donor liver transplantation using the right lobe.
    Author: Kim SJ, Kim DG, Chung ES, Lee YJ, Moon IS, Lee MD.
    Journal: Transplant Proc; 2006 Sep; 38(7):2117-20. PubMed ID: 16980017.
    Abstract:
    BACKGROUND: This article reviewed our experience with right lobe donor hepatectomy in living donor liver transplantations (LDLT), particularly in the context of preserving donor safety. MATERIALS AND METHODS: From January 2000 to August 2005, we performed 206 adult LDLT operations using the right lobe. The donor characteristics, operative findings, postoperative results including the peak values of liver enzymes (aspartate transferase [AST], alanine transferase [ALT], and bilirubin) and regeneration volumes, as evaluated by computed tomography volumetry, were reviewed at 1 week, as well as 3 and 6 months after surgery. The effects of three risk factors on donor safety were analyzed: age (<55 years, > or =55 years): fatty change in the donor liver (<10%, > or =10%); and remnant volume (<35%, > or =35%). RESULTS: The liver enzymes and regeneration volumes showed no significant difference according to age, only ALT was significant increased associated with the severity of fatty change (P < .05). There were significant differences in postoperative AST, ALT, and regeneration volume between the group with <35% and the group with > or =35% remnant liver volume (P < .05). Upon further analysis with combinations of two out of three risk factors, the group according to remnant volume and fatty change was meaningful. Follow-up data on donor ALT showed a return normal levels and after postoperative 3 months there was regeneration of the remnant liver to more than 70% of the whole liver preoperatively. There was no donor mortality, but postoperative complications were observed in 39 patients (39/206, 18.9%). Biliary complications were encountered in 24 patients: one bile duct injury, 22 bile leakages, and one bile duct stricture. Other complications consisted of pleural effusion (n = 8), delayed gastric emptying (n = 6), atelectasis (n = 1), and hepatic encephalopathy (n = 1). CONCLUSION: In cases of careful donor selection, a right lobectomy can be performed safely with minimal risks when the remnant liver volume exceeds 35% of the total liver volume and shows less than 10% fatty changes.
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