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Characterization of incidentally detected asymptomatic hepatitis B positive subjects in Egypt

Characterization of incidentally detected asymptomatic hepatitis B positive subjects in Egypt,10.3329/blj.v1i1.2621,Bangladesh Liver Journal,G. Shiha,

Characterization of incidentally detected asymptomatic hepatitis B positive subjects in Egypt  
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Background: Although chronic hepatitis B virus infection is relatively common in Egypt, the incidental discovery of asymptomatic forms have not been well studied. Aim: To characterize the clinical, serological and histological liver damage among incidentally detected asymptomatic hepati- tis B surface antigen (HBsAg)-positive subjects (IDAHS) in Egypt. Methods: We prospectively studied 70 consecu- tive IDAHS patients. Tests for liver function, serological markers for HBV, HCV, HDV and schistosomiasis were performed for all patients. HBV DNA was determined by the branched DNA technique and PCR. Liver biopsy spec- imens from 44 patients were studied and scored for activity and fibrosis stage by modified Knodell score and the METAVIR score. HBsAg and HBcAg were immunohisto- chemically evaluated in the liver tissue. Results: Of the studied 70 patients, 57 (81.6%) were HBeAg-negative and 13 (18.4%) were HBeAg-positive. Hepatic transaminases in HBeAg-positive patients were significantly elevated when compared to HBeAg-negative patients. HBV DNA was detected in only 3% of patients by the b-DNA tech- nique and in 97% by PCR. Pathological examination of liver tissue revealed mild activity in 21 (47.7%) patients. Additionally, 21 patients (47.7%) revealed mild to moder- ate expansion of portal areas by fibrosis while 7 patients (15.9%) of them showed bridging fibrosis. None of the pa- tients were cirrhotic. Conclusion: The majority of IDAHS subjects are HBeAg negative without elevation of hepatic transaminases. However, they should be considered as pa- tients since viremia is detected in almost all cases using PCR technique, and histopathological evidence of chronic
Journal: Bangladesh Liver Journal , vol. 1, no. 1, 2009
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