The authors assessed the incidence, management, and risk factors for postoperative complications after right lobe (RL) live donor hepatectomy in a high-volume center in North America. All donors undergoing an RL live donor hepatectomy between 2000 and 2017 at our institution were included. The primary outcome was the development of complications (both medical and surgical). Predictors of postoperative complications were determined by logistic regression. A total of 587 patients underwent RL live donor hepatectomy. Among those, 187 postoperative complications were diagnosed in 141 (24%) patients. One patient had >90-day morbidity, and there were no donor deaths. Overall complications were significantly higher in the first era, 2000 to 2008 (81 [57.4%]) versus the second era, 2009 to 2017 (60 [42.6%]) (p = 0.01). On multivariate analysis, the only predictor of postoperative complications was the center volume of RL live donor hepatectomy in the previous 12 months with an odds ratio of 0.97 (95% confidence interval: 0.95-0.99). In conclusion, increasing center volume is associated with lower rates of postoperative complications after RL living liver donation.
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