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Title: Association between appendectomy and risk of primary sclerosing cholangitis: A systematic review and meta-analysis
Authors: Karn Wijarnpreecha
Panadeekarn Panjawatanan
Omar Y. Mousa
Wisit Cheungpasitporn
Surakit Pungpapong
Patompong Ungprasert
Faculty of Medicine, Siriraj Hospital, Mahidol University
University of Mississippi Medical Center
Mayo Clinic in Jacksonville, Florida
Chiang Mai University
Bassett Medical Center
Keywords: Medicine
Issue Date: 1-Oct-2018
Citation: Clinics and Research in Hepatology and Gastroenterology. Vol.42, No.5 (2018), 436-442
Abstract: © 2018 Elsevier Masson SAS Background/objectives: Recent epidemiologic studies have suggested that appendectomy could be a risk factor for primary sclerosing cholangitis (PSC) although the results were inconsistent. This systematic review and meta-analysis was conducted to summarize all available evidence. Methods: A comprehensive literature review was conducted using MEDLINE and EMBASE database through January 2018 to identify all studies that reported the risk of PSC among individuals who had appendectomy versus those with no history of appendectomy. Effect estimates from each study were extracted and combined together using the random-effect, generic inverse variance method of DerSimonian and Laird. Results: A total of 6 case-control studies with 2432 participants met the eligibility criteria and were included in the meta-analysis. The risk of PSC in individuals who had appendectomy was significantly higher than those with no history of appendectomy with the pooled odds ratio of 1.37 (95% CI: 1.15–1.63). The statistical heterogeneity was insignificant with an I2 of 0%. Conclusions: A significantly increased risk of PSC among individuals who had a history of appendectomy was found in this study.
ISSN: 2210741X
Appears in Collections:Scopus 2018

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