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Is Laparoscopic Appendectomy Useful for the Treatment of Acute Appendicitis in Korea?: A Meta-Analysis

 Chun Bae Kim  ;  Myoung Soo Kim  ;  Seung Hum Yu  ;  Hoo Yeon Lee  ;  Ju Hee Hong 
 YONSEI MEDICAL JOURNAL, Vol.45(1) : 7-16, 2004 
Journal Title
Issue Date
Acute Disease ; Appendectomy/methods* ; Appendicitis/surgery* ; Humans ; Korea ; Laparoscopy*
Laparoscopic appendectomy ; acute appendicitis ; meta-analysis ; Korean
We performed a meta-analysis using results in the Korean literatures to determine whether laparoscopic appendectomy (LA) or open appendectomy (OA) provide the better outcome in possible acute appendicitis patients. To perform the meta-analysis, an extensive literature search was conducted, giving priority to the Journal of the Korean Surgical Society, and domestic literature in its search database, published since January 1993, to ascertain the usefulness of LA in the treatment of acute appendicitis. The criteria used for the quality evaluation were as follows: 1) study subjects must have been evaluated clinically for suspected acute appendicitis, and 2) articles were included only if sufficient data (e.g. patient number, mean and standard deviation of patient outcome variables) were available regarding patient outcomes for LA or OA treated appendicitis. Of the 136 articles retrieved, 8 studies (1, 258 patients) were selected for quantitative meta-analysis. Because insufficient data was available in some studies, operating time and hospitalization days were assessed for all 8 studies, but the time required to return to full functioning was assessed for only 3 studies. Overall effect size estimates were calculated using a random effect model for four patient outcomes (operating time, Q=38.6699, p < 0.001; length of stay, Q=19.3876, p < 0.001; postoperative hospital stay, Q=20.9164, p < 0.001; and return time to full functioning, Q=41.5061, p < 0.001). Because the overall effect size for operating time was -0.3218 (95% confidence interval [CI] -0.6108 to -0.0328), LA operating time was significantly greater than that of OA. In addition, a significant difference was found between the two modalities in terms of the length of hospital stay. Overall effect size in terms of the time required to return to full functioning was 1.9757 (95% CI 1.0066 to 2.9448), and LA reduced the time required by about 2 days versus OA. Considering the overall odds ratio (0.33) and 95% CI (0.20 to 0.55) the incidence of wound infection was significantly lower in LA than in OA. This review of the published evidence suggests that LA is more useful for treating acute appendicitis, especially when perforated appendicitis is suspected.
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1. College of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Myoung Soo(김명수) ORCID logo https://orcid.org/0000-0002-8975-8381
Yu, Seung Hum(유승흠)
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