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Title: Comparison of postoperative complications between open and laparoscopic appendectomy: An umbrella review of systematic reviews and meta-analyses
Authors: Napaphat Poprom
Chumpon Wilasrusmee
John Attia
Mark McEvoy
Ammarin Thakkinstian
Sasivimol Rattanasiri
School of Medicine and Public Health
Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Keywords: Medicine
Issue Date: 1-Oct-2020
Citation: Journal of Trauma and Acute Care Surgery. Vol.89, No.4 (2020), 813-820
Abstract: © Wolters Kluwer Health, Inc. All rights reserved. BACKGROUND Laparoscopic appendectomy (LA) has been popular for decades because of shorter hospitalization and return to routine activity. However, complications (e.g., surgical site infection [SSI] and intra-abdominal abscess [IAA]) relative to open appendectomy (OA) are still debated. We therefore conducted an umbrella review to systematically appraise meta-analyses (MAs) comparing SSI and IAA between LA and OA. METHODS Meta-analyses that included only randomized controlled trials were identified from MEDLINE and Scopus databases from inception until July 2018. Their findings were described, the number of overlapping studies was assessed using corrected covered area, and excess significant tests were also assessed. Finally, effect sizes of SSI and IAA were repooled. RESULTS Ten MAs were eligible; SSI was reported in all MAs and IAA in 8 MAs. Surgical site infection rate was 48% to 70% lower in LA than OA, but conversely, IAA rate was 1.34 to 2.20 higher in LA than OA. Overlapping included studies for SSI and IAA were 61% and 54%, respectively, indicating that less information was added across MAs. However, there was no evidence of bias from excess significant tests when pooling SSI or IAA estimates. The risk ratios (95% confidence interval) comparing LA versus OA were repooled in adults and children yielding risk ratios of 0.56 (0.47-0.67) and 0.40 (0.25-0.65) for SSI, and 1.20 (0.88-1.63) and 1.05 (0.61-1.80) for IAA. CONCLUSION Evidence from this umbrella review indicates that LA carries a significantly lower risk of SSI but likely a higher risk of IAA than OA. LEVEL OF EVIDENCE Systematic review/meta-analysis, level I.
ISSN: 21630763
Appears in Collections:Scopus 2020

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