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Prevalence and significance of intrahepatic hepatitis delta virus antigen expression in HBeAg-negative patients with chronic type-B hepatitis in Taiwan
Authors:Chia-Ming Chu MD  Wei-Chue Shyu BS  Yun-Fan Liaw MD
Affiliation:(1) Liver Unit, Chang Gung Memorial Hospital, 199, Tung Hwa North Road, Taipei, Taiwan, 10591, Republic of China;(2) Chang Gung Medical College, Taipei, Taiwan, R.O.C.
Abstract:
A consecutive series of 97 HBeAg-negative patients with chronic type-B hepatitis, who were not drug addicts or hemophiliacs, were examined for the prevalence of intrahepatic expression of hepatitis delta virus (HDV) antigen (HDAg) by direct immunofluorescence. The clinical and histological features were compared between those with and without intrahepatic HDAg expression. Intrahepatic HDAg expression was detected in 15 (15.5%) of the 97 patients. All of the 15 were males between 18 and 71 years of age. Each had elevated SGPT levels, with 46.8% being greater than 10 times normal and 73.4% greater than five times normal. Histological study revealed chronic lobular hepatitis in nine and chronic active hepatitis in six, including two with cirrhosis. Compared to the 82 patients without intrahepatic HDAg expression, no difference in the age (34.1±14.3 vs 36.7±10.8) and sex (15ratio0 vs 72ratio10) distribution was evident, but greater biochemical and histological activity was present in HDV-positive patients.This work was supported by Chang Gung Medical Research grant MRP 197 and a grant from the Prosperous Foundation, Taipei.
Keywords:hepatitis delta viras (HDV)  intrahepatic HDAg  chronic type-B hepatitis  HBeAg/anti-HBe
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