A Systematic Review of Comparing Single-incision Versus Traditional Laparoscopic Right Hemicolectomy For Right Colon Diseases

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Background:Single-incision laparoscopic right hemicolectomy (SILS) has been promoted in clinic since 2008, but a systematic review of comparing SILS and traditional laparoscopic right hemicolectomy (TLS) with long-term follow-up is rare. Here, in this study, comparison of SILS and TLS with long-term follow-up was evaluated by a meta-analysis method.Methods:All studies about SILS and TLS for right hemicolectomy from 2010 to 2018 were searched from databases including Medline, Embase, Cochrane Library, and Wanfang. Operation index, recovery, and midterm follow-up data were evaluated by fixed-effects models, random-effects models, and Begg test.Results:We collected 22 studies with 2218 patients. SILS groups contained 1038 (46.7%) patients, and 1180 (53.3%) patients were observed in the TLS group. Patients’ baseline data were similar in the 2 groups. Compared with TLS, SILS had shorter operation duration [standardized mean difference (SMD): −0.35, 95% confidence interval (CI): −0.61 to −0.08, P<0.001, χ2=49.40], shorter hospitalization time (SMD: −0.27, 95% CI: −0.37 to −0.16, P<0.001, χ2=9.17), slightly less blood loss (SMD: −0.23, 95% CI: −0.36 to −0.10; P<0.001; χ2=5.36), and smaller incision length (SMD: −2.19, 95% CI: −3.66 to −0.71, P<0.001; χ2=316.1). No statistical differences were observed in other figures.Conclusion:SILS is more convenient and has better efficacy than TLS and could provide a promising surgical approach for right colon diseases.

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