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Surgical Laparoscopy, Endoscopy & Percutaneous Techniques:
doi: 10.1097/SLE.0b013e31824f2cf8
Review Article

Single-incision Appendectomy is Comparable to Conventional Laparoscopic Appendectomy: A Systematic Review and Pooled Analysis

Gill, Richdeep S. MD*; Shi, Xinzhe MPH; Al-Adra, David P. MD*; Birch, Daniel W. MD, MSc, FRCSC; Karmali, Shahzeer MD, FRCSC

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Abstract

Purpose: Acute appendicitis remains the common gastrointestinal emergency in adults. Single-incision laparoscopic appendectomy (SILA) has been proposed as the next evolution in minimally invasive surgery. SILA is postulated to reduce postoperative pain and enhance cosmesis, while effectively removing an inflamed appendix. However, the efficacy and benefits of SILA compared with conventional laparoscopic appendectomy (CLA) remain to be determined. Our objectives were to systematically review the literature comparing SILA with CLA for acute appendicitis and perform a pooled analysis on the efficacy of SILA.

Methods: Published English-language manuscripts were considered for review inclusion. A comprehensive search of electronic databases (eg, MEDLINE, EMBASE, SCOPUS, BIOSIS Previews, and the Cochrane Library) using broad search terms was completed. All comparative studies were included if they incorporated adult patients undergoing appendectomy for acute appendicitis by SILA. The primary outcomes of interest were operative time and length of hospital stay.

Results: From a total of 366 articles, 34 articles were identified. A total of 9 comparative studies were included for pooled analysis. There was no significant difference in operative time, length of stay, pain scores, and conversion or complication rates between SILA and CLA for acute appendicitis.

Conclusions: This systematic review and pooled analysis demonstrates that SILA is comparable to CLA for acute appendicitis in adults. However, this review identifies the need for randomized controlled trials to clarify the efficacy of SILA compared with CLA.

© 2012 Lippincott Williams & Wilkins, Inc.

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