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Invited Commentary
October 2016

The Learning Curve in Laparoscopic Major Hepatectomy: What Is the Magic Number?

Author Affiliations
  • 1University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
JAMA Surg. 2016;151(10):929. doi:10.1001/jamasurg.2016.1698

Laparoscopic liver resection (LLR) has been growing in number and complexity, with nearly 10 000 cases published worldwide.1,2 Recent studies have shown that laparoscopic major hepatectomy can be safely accomplished by high-volume centers experienced in LLR.3 However, at the Second International Laparoscopic Liver Consensus Conference4 convened in 2014, the jury concluded that laparoscopic major hepatectomy is an innovative procedure still in the learning phase. Hence, a focus has been to define the learning curve of laparoscopic major hepatectomy. Several studies have shown the learning curve for LLR (including laparoscopic major hepatectomy) is 45 to 75 cases.5-7

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