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- W2085800014 abstract "To determine the prevalence of chronic liver disease in adults with homozygous (Pi ZZ) and heterozygous (Pi Z) alpha 1-antitrypsin deficiency and to assess the presence of other possible risk factors for the development of chronic active hepatitis and cirrhosis of the liver in these patients.Cross-sectional study.A referral-based university hospital.Consecutive patients (164) with the Pi ZZ and Pi Z phenotype with and without chronic liver disease.The presence of antibody to hepatitis C virus (anti-HCV) was determined using an assay incorporating synthetic peptide antigen from capsid protein (United Biomedical [UBI] assay) and a second-generation enzyme immunoassay (Abbott test); the presence of antibody to hepatitis B virus (anti-HBV) was determined using radioimmunoassays incorporating hepatitis B surface antigen (HBsAg) and hepatitis B core antigen (HBcAg); assays for antinuclear antibody and antimitochondrial antibody (M2 subtype) were also done, and alcohol abuse was assessed by history.Among patients with cirrhosis (32%), 62% were anti-HCV positive by the Abbott test (P = 0.006), and 41% were anti-HCV positive by the UBI assay (P = 0.007). Thirty-three percent of patients with cirrhosis had hepatitis B virus (HBV) infection (P = 0.01); 41% had a history of alcoholism; and 12% had features of autoimmune liver disease. Only five patients (9%) with cirrhosis had no other risk factor for chronic liver disease. Among patients with chronic active hepatitis (7%), 80% were anti-HCV positive by the Abbott test (P = 0.002), and 75% were anti-HCV positive by the UBI assay (P less than 0.001). Thirty percent of patients with chronic active hepatitis had HBV infection (P = 0.023); 18% had autoimmune hepatitis; and 8% abused alcohol. Only two patients (17%) had no additional risk factor for the development of chronic active hepatitis. Among patients with steatosis of the liver (48%), 5% were anti-HCV positive by the Abbott test, and none were anti-HCV positive by the UBI assay; 18% had serologic evidence of past HBV infection, and 28% abused alcohol. Among patients without chronic liver disease (13%), no viral infection could be found; 9% were alcoholics.Chronic liver disease in patients with alpha 1-antitrypsin deficiency is associated with a high prevalence of viral infection; this infection, rather than alpha 1-antitrypsin deficiency alone, may be the cause of the liver disease in such patients." @default.
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- W2085800014 date "1992-10-15" @default.
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- W2085800014 title "High Prevalence of Viral Infection in Adults with Homozygous and Heterozygous Alpha_1-Antitrypsin Deficiency and Chronic Liver Disease" @default.
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- W2085800014 doi "https://doi.org/10.7326/0003-4819-117-8-641" @default.
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