• Kevin Tri Nguyen, T Clark Gamblin, and David A Geller.
• Department of Surgery, UPMC Liver Cancer Center, University of Pittsburgh, Pittsburgh, PA 15213-2582, USA.
• Ann. Surg. 2009 Nov 1;250(5):831-41.

ObjectiveTo provide a review of the world literature on laparoscopic liver resection.Summary Background DataInitially described for peripheral, benign tumors resected by nonanatomic wedge resections, minimally invasive liver resections are now being performed more frequently, even for larger, malignant tumors located in challenging locations. Although a few small review articles have been reported, a comprehensive review on laparoscopic liver resection has not been published.MethodsWe conducted a literature search using Pubmed, screening all English publications on laparoscopic liver resections. All data were analyzed and apparent case duplications in updated series were excluded from the total number of patients. Tumor type, operative characteristics, perioperative morbidity, and oncologic outcomes were tabulated.ResultsA total of 127 published articles of original series on laparoscopic liver resection were identified, and accounted for 2,804 reported minimally invasive liver resections. Fifty percent were for malignant tumors, 45% were for benign lesions, 1.7% were for live donor hepatectomies, and the rest were indeterminate. Of the resections, 75% were performed totally laparoscopically, 17% were hand-assisted, and 2% were laparoscopic-assisted open hepatic resection (hybrid) technique, with the remainder being other techniques or conversions to open hepatectomies. The most common laparoscopic liver resection was a wedge resection or segmentectomy (45%) followed by anatomic left lateral sectionectomy (20%), right hepatectomy (9%), and left hepatectomy (7%). Conversion from laparoscopy to open laparotomy and from laparoscopy to hand-assisted approach occurred in 4.1% and 0.7% of reported cases, respectively. Overall mortality was 9 of 2,804 patients (0.3%), and morbidity was 10.5%, with no intraoperative deaths reported. The most common cause of postoperative death was liver failure. Postoperative bile leak was observed in 1.5% of cases. For cancer resections, negative surgical margins were achieved in 82% to 100% of reported series. The 5-year overall and disease-free survival rates after laparoscopic liver resection for hepatocellular carcinoma were 50% to 75% and 31% to 38.2%, respectively. The 3-year overall and disease-free survival rates after laparoscopic liver resection for colorectal metastasis to the liver were 80% to 87% and 51%, respectively.ConclusionIn experienced hands, laparoscopic liver resections are safe with acceptable morbidity and mortality for both minor and major hepatic resections. Oncologically, 3- and 5-year survival rates reported for hepatocellular carcinoma and colorectal cancer metastases are comparable to open hepatic resection, albeit in a selected group of patients.

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