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Open Access Research article

Laparoscopic liver resection as a safe and efficacious alternative to open resection for colorectal liver metastasis: a meta-analysis

Yanming Zhou1*, Yaqing Xiao2, Lupeng Wu1, Bin Li1 and Hua Li2*

Author Affiliations

1 Department of Hepatobiliary & Pancreatovascular Surgery, Oncologic Center of Xiamen, First affiliated Hospital of Xiamen University, Xiamen, China

2 Department of Digestive Diseases, First affiliated Hospital of Xiamen University, Xiamen, China

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BMC Surgery 2013, 13:44  doi:10.1186/1471-2482-13-44

Published: 1 October 2013



The safety and efficacy of laparoscopic liver resection (LLR) for colorectal liver metastasis (CLM) remain to be established. A meta-analysis was undertaken to compare LLR and open liver resection (OLR) for CLM with respect to surgical and oncologic outcomes.


An electronic search was performed to retrieve all relevant articles published in the English language by the end of March 2013. Data were analyzed using Review Manager version 5.0.


A total of 8 nonrandomized controlled studies with 695 subjects were analyzsed. Intra-operative blood loss, the proportion of patients requiring blood transfusion, morbidity and the length of hospital stay were all significantly reduced after LLR. Postoperative recurrence, 5-year overall and disease-free survivals were comparable between two groups.


LLR for CLM is safe and efficacious. It improves surgical outcomes and uncompromises oncologic outcomes as compared with OLR.

Laparoscopic liver resection; Colorectal liver metastasis; Meta-analysis