Abstract
Background
Laparoscopic liver resection is rapidly expanding with more than 9500 cases performed worldwide. While initial series reported non-anatomic resection of benign peripheral hepatic lesions, approximately 50–65 % of laparoscopic liver resections are now being done for malignant tumors, primarily hepatocellular carcinoma (HCC) or colorectal cancer liver metastases (mCRC).
Methods
We performed a literature review of published studies evaluating outcomes of major laparoscopic liver resection, defined as three or more Couinaud segments.
Results
Initial fears of adverse oncologic outcomes or tumor seeding have not been demonstrated, and dozens of studies have reported comparable 5-year disease-free and overall survival between laparoscopic and open resection of HCC or mCRC in case-cohort and propensity score-matched analyses. Increased experience has led to laparoscopic anatomic liver resections including laparoscopic major hepatectomy. A steep learning curve of 45–60 cases is evident for laparoscopic hepatic resection.
Conclusion
Laparoscopic major hepatectomy is safe and effective in the treatment of benign and malignant liver tumors when performed in specialized centers with dedicated teams. Comparable to other complex laparoscopic surgeries, laparoscopic major hepatectomy has a learning curve of 45–60 cases.
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Learning Objectives
1) To discuss indications, techniques, benefits, and pitfalls of laparoscopic liver resection.
2) To define the learning curve for laparoscopic liver resection, including laparoscopic major hepatectomy
3) To summarize the outcomes of laparoscopic liver resection for HCC and metastatic colorectal cancer (mCRC).
CME Questions
1) The learning curve for laparoscopic liver resection has been reported to be:
A) 5 cases
B) 10 cases
C) 60 cases
D) 100 cases
2) With greater operative experience in laparoscopic liver resection, all of the following improve except:
A) ICU stay
B) OR time
C) Conversion rate
D) Blood loss
3) For surgical approach in laparoscopic liver resection, all of the following techniques are commonly used except:
A) Pure laparoscopic
B) Hand-assisted
C) Hybrid approach
D) Gasless laparoscopic approach
4) The number of laparoscopic liver resection cases reported worldwide is approximately:
A) 500 cases
B) 2,000 cases
C) 9,500 cases
D) 22,000 cases
5) The percentage of laparoscopic liver resection cases being done for malignancy is:
A) 10-20 %
B) 20-30 %
C) 50-60 %
D) 80-90 %
6) Peri-operative mortality for laparoscopic liver resection has been reported at:
A) <1 %
B) 3 %
C) 5 %
D) 10 %
7) The number of International Laparoscopic Liver Consensus Conference convened is:
A) 1
B) 2
C) 3
D) 5
8) The ideal case for a surgeon just starting his/her laparoscopic learning curve would be:
A) 2 cm HCC in segment VII in a patient with minimal fibrosis
B) 6 cm symptomatic hemangioma peripheral in segment VI in a patient with normal parenchyma
C) 3 cm CRC metastasis in segment II in a patient with fatty liver
D) 3 cm CRC metastasis in segment II in a patient with normal parenchyma
E) 2 cm peripheral HCC in segment V in a patient with cirrhosis
CME questions for this article available to SSAT members at http://ssat.com/jogscme/
Disclosure Information: Authors: Kimberly M. Brown, M.D., has nothing to disclose. David A. Geller, M.D. has nothing to disclose. Editors-in-Chief: Jeffrey B. Matthews, M.D., has nothing to disclose; Charles Yeo, M.D., has nothing to disclose. CME Overseers: Arbiter: Jeffrey B. Matthews, M.D., has nothing to disclose; Vice-Arbiter: Ranjan Sudan, M.D., has nothing to disclose; Question Reviewers: I. Michael Leitman, M.D. has nothing to disclose; Ellen J. Hagopian, M.D., has nothing to disclose.
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Brown, K.M., Geller, D.A. What is the Learning Curve for Laparoscopic Major Hepatectomy?. J Gastrointest Surg 20, 1065–1071 (2016). https://doi.org/10.1007/s11605-016-3100-8
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DOI: https://doi.org/10.1007/s11605-016-3100-8