• Hui-Juan Li, Lei Huang, Tuan-Jie Li, Jing Su, Ling-Rong Peng, and Wei Liu.
• Department of Nursing, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
• J. Gastrointest. Surg. 2017 Nov 1; 21 (11): 1931-1945.

BackgroundConventional laparoscopic surgery (CLS) has been established as an alternative to open surgery for colorectal diseases (CRDs); simultaneously, single-incision laparoscopic surgery (SILS) is gaining popularity.ObjectiveThe aim of this study was to compare the short-term efficacy and safety of SILS with CLS for CRDs.MethodsMEDLINE, EMBASE, and the Cochrane Library were searched for relevant randomized and prospective studies. Reference lists of relevant articles and reviews, conference proceedings, and ongoing trial databases were also screened. Outcome measures included surgical parameters, postsurgical recovery, pain, and adverse events. Meta-analysis was conducted where appropriate, comparing items using weighted mean differences (WMDs) and risk ratios (RRs) according to data type.ResultsA total of nine prospective (three randomized and six non-randomized) researches published from 2011 to 2015 were identified. The overall pooled results showed compared to CLS, SILS was associated with fewer blood transfusions, shorter incision length, and slighter postoperative pain, but more extra ports. All the other parameters were comparable. Randomized evidence supported SILS was associated with less blood loss, and shorter hospital stay, but longer operative time. For only colectomy cases, SILS was associated with more conversions to open surgery. SILS was associated with longer surgical time for Easterners, but not for Westerners. The detected differences were clinically insignificant.ConclusionsThe results based on randomized and prospective evidence provide convincing support for the clinical similarity that SILS is basically as applicable, effective, and safe as CLS when dealing with colorectal lesions, but not for superiority.

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