PubMed · 14227549
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V DIVITTORIO. 1964-10-31. [BILIARY ILEUS].. https://pubmed.ncbi.nlm.nih.gov/14227549/
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AIM: To evaluate the influence of familiality on the prevalence of gallstone disease (GD) in Italy. METHODS: Families of 79 subjects with gallstones (cases) and of 79 subjects without gallstones (controls) were investigated for the presence of gallstones by ultrasonography. Index cases and index controls were matched for age, sex, and operative unit. Sixty-three and sixty-two husbands and wives of index cases and index controls, respectively, were also studied. RESULTS: Overall, the prevalence of GD was significantly higher (c2=14.52, P<0.001) in the 202 first-degree relatives of subjects with gallstones than that in the 201 first-degree relatives of subjects without gallstones (28.6% vs 12.4%, relative risk (RR) 1.80, 95% confidence interval (CI) 1.29-2.63). In particular, prevalence of GD was significantly higher in mothers, fathers, and sisters of index cases than that in the respective family members of index controls. The highest RR was observed in mothers (RR=2.35, 95%CI 1.38-4.3). Prevalence of GD was not obviously different in brothers and also in husbands and wives of index cases and index controls. Family members of index cases did not differ from family members of control cases with respect to the most important risk factors for gallstones (age, diabetes, BMI, and number of pregnancies) with an exception of a higher prevalence of diabetes in fathers of index controls than in fathers of index cases. CONCLUSION: This study confirms that familiality plays a very important role in the pathogenesis of gallstones.
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BACKGROUND: Bile duct damage and hepatic steatosis are two characteristic histological findings in hepatitis C virus infection; and high prevalence of hepatitis C antibody is noted in patients with cholangiocarcinoma. The purpose of the present study was to examine the relationship between biliary diseases and hepatitis C virus infection. METHODS: Persons who received a general checkup in Chang Gung Memorial Hospital between 2000 and 2002 were included. All of them had hemogram, serum biochemistry, hepatitis B surface antigen, hepatitis C antibody and ultrasonography studies. The prevalence of gallbladder stone, bile duct stone and gallbladder polyp/cholesterolosis were compared in different viral infection groups. RESULTS: Of the 28 486 persons, 22 967 were negative for both hepatitis B surface antigen and hepatitis C antibody (group NBNC), 4152 were hepatitis B surface antigen carriers (broup B), 1195 were positive for hepatitis C antibody (group C), and 172 were positive for both markers. The 379 persons (1.3%) having had cholecystectomy were considered to have gallbladder stone at the time when cholecystectomy was done. Gallbladder stone was found in 6.0% persons of group NBNC, 5.4% in group B and 11.7% in group C. The prevalence of gallbladder stone in group C was found especially high for age groups 31-40 years and 61-70 years. The prevalence of bile duct stone was higher in group C (0.4%) than in group NBNC or B (both 0.1%). Stepwise logistic regression analysis showed that age, liver cirrhosis, body mass index, hepatitis C virus infection and gender were independent factors associated with gallbladder stone. CONCLUSIONS: Hepatitis C virus infection facilitates gallstone formation.