Background and Aim: Complications associated with live liver donor surgery should be minimized. There is little information on the impact of team experience and learning on the surgical outcome. The aim of this study was to clarify the impact of team experience in a single center on the outcome of live donor hepatectomy. Methods: Graft livers consisted of 56 right lobes, 40 left lobes with/without caudate, 36 left lateral section (LLS), and 11 right posterior section (RPS). Surgeries were divided according to the time of execution: era I (n = 50), era II (n = 50) and era III (n = 43). Results: No postoperative mortality was recorded. Blood loss steadily decreased and operation time decreased after era II (P < 0.0001). The overall frequency of postoperative morbidities by the Clavien system was significantly less for LLS graft [P = 0.009, right lobe (42.9%) vs. LLS (13.9%)]. Multivariate risk factor analysis showed that donors in recent years were at low risk of morbidity and bile leakage (P = 0.025 and 0.010, respectively). There was less impact for team experience on the outcome in LLS graft than other types of grafts. Conclusion: Our analysis demonstrated several learning steps in live liver donor surgery and confirmed their positive impact on surgical outcome.
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