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Lack of association between appendectomy and primary biliary cirrhosis. 2006

Eirini I Rigopoulou, and Sarah P Georgiadou, and Sotiris Barbanis, and Georgios N Dalekos
Department of Internal Medicine, Academic Liver UnitUniversity of Thessaly, Medical School, Larissa, Greece.

OBJECTIVE In view of the possible implication of various environmental factors in the pathogenesis of primary biliary cirrhosis (PBC), the role of appendectomy in patients with PBC and other chronic liver diseases from Central Greece was investigated. METHODS The medical files of 68 patients with PBC and gender- and age-matched controls with chronic hepatitis C virus (HCV) infection (n=65) and chronic hepatitis B virus (HBV) infection (n=67) were reviewed for the history and time of appendectomy. RESULTS Nineteen of 68 (27.9%) PBC patients, 32 of 65 (49.2%) patients with chronic HCV infection and 22 of 67 (32.8%) patients with chronic HBV infection had a history of appendectomy. There was a significant higher frequency of appendectomy in patients with chronic hepatitis C (p = 0.012, chi(2) test) compared to patients with PBC. There were no significant differences in the clinical and histological characteristics of PBC patients with or without a history of appendectomy. CONCLUSIONS In this case-control study we were unable to provide evidence of an association between primary biliary cirrhosis and the occurrence of appendectomy.

UI MeSH Term Description Entries
D008105 Liver Cirrhosis, Biliary FIBROSIS of the hepatic parenchyma due to obstruction of BILE flow (CHOLESTASIS) in the intrahepatic or extrahepatic bile ducts (BILE DUCTS, INTRAHEPATIC; BILE DUCTS, EXTRAHEPATIC). Primary biliary cholangitis involves the destruction of small intra-hepatic bile ducts and decreased bile secretion. Secondary biliary cholangitis is produced by prolonged obstruction of large intrahepatic or extrahepatic bile ducts from a variety of causes. Biliary Cirrhosis,Biliary Cirrhosis, Primary,Biliary Cirrhosis, Secondary,Cholangitis, Chronic Nonsuppurative Destructive,Liver Cirrhosis, Obstructive,Primary Biliary Cholangitis,Biliary Cirrhosis, Primary, 1,Primary Biliary Cirrhosis,Secondary Biliary Cholangitis,Secondary Biliary Cirrhosis,Biliary Cholangitides, Primary,Biliary Cholangitis, Primary,Biliary Cholangitis, Secondary,Cholangitides, Primary Biliary,Cholangitis, Primary Biliary,Cholangitis, Secondary Biliary,Cirrhosis, Biliary,Cirrhosis, Secondary Biliary,Liver Cirrhoses, Biliary,Obstructive Liver Cirrhosis,Primary Biliary Cholangitides,Secondary Biliary Cholangitides
D008107 Liver Diseases Pathological processes of the LIVER. Liver Dysfunction,Disease, Liver,Diseases, Liver,Dysfunction, Liver,Dysfunctions, Liver,Liver Disease,Liver Dysfunctions
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D005260 Female Females
D006115 Greece A country in southern Europe, bordering the Aegean Sea, Ionian Sea, and the Mediterranean Sea, between Albania and Turkey. The capital is Athens. Crete,Macedonia (Greece)
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D001062 Appendectomy Surgical removal of the vermiform appendix. (Dorland, 28th ed) Appendectomies
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective

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