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  • Title: Single-incision versus conventional laparoscopic cholecystectomy in patients with uncomplicated gallbladder disease: a meta-analysis.
    Author: Hao L, Liu M, Zhu H, Li Z.
    Journal: Surg Laparosc Endosc Percutan Tech; 2012 Dec; 22(6):487-97. PubMed ID: 23238374.
    Abstract:
    BACKGROUND: Laparoscopic cholecystectomy is the gold standard treatment for cholecystectomy. Recently, single-incision laparoscopic cholecystectomy (SILC) has been suggested as an alternative technique. METHODS: Six databases were searched and reference lists of retrieved articles were checked to identify eligible studies. Data from randomized clinical trials related to the safety and effectiveness of SILC versus conventional laparoscopic cholecystectomy (CLC) were extracted by 2 independent reviewers. Odds ratio and mean differences were calculated with 95% confidence intervals based on intention-to-treat analyses whenever possible. RESULTS: Fifteen studies with 1113 patients met the eligibility criteria. Methodologic quality was unclear in most trails. Operating time was significantly longer in the single-incision laparoscopic surgery group compared with the CLC group (P<0.00001). Cosmesis was improved in single-incision laparoscopic patients at 1 month (P<0.00001). The pooled mean difference in pain scores at 24 hours was -0.75 in favor of the SILC technique (P=0.04). There was no significant difference in the conversion rates, adverse events, analgesia requirements, or the length of hospital stay between the 2 groups. CONCLUSIONS: The current evidence shows that patients with uncomplicated cholelithiasis or polypoid lesions of the gallbladder who prefer a better cosmetic outcome, SILC offers a safe alternative to CLC. Further high-powered randomized trials are need to determine whether SILC truly offer any advantages, especially be focused on failure of technique, adverse events, cosmesis, and quality of life.
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