期刊
JOURNAL OF INFECTIOUS DISEASES
卷 -, 期 -, 页码 -出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/infdis/jiad140
关键词
Liver fibrosis; occult HBV infection; serum indexes; viral biomarkers; fibrosis progression
Hepatitis B surface antigen-negative, hepatitis B virus DNA-positive occult hepatitis B infection is associated with liver fibrosis, and hepatitis B core antigen is correlated with elevated serum liver fibrosis indexes and may affect fibrotic progression in liver tissue.
Hepatitis B surface antigen-negative, hepatitis B virus (HBV) DNA-positive occult HBV infection status appears associated with liver fibrosis; hepatitis B core antigen is correlated with elevated serum liver fibrosis indexes and may affect fibrotic progression in liver tissue. Background The impact of hepatitis B surface antigen (HBsAg)-negative/hepatitis B virus (HBV) DNA-positive occult HBV infection (OBI) on the severity of liver fibrosis remains unclear. Methods A total of 1772 patients negative for HBsAg but positive for antibody to hepatitis B core antigen (HBcAg), stratified by the presence or absence of OBI, were selected for long-term carriage leading to elevation of >= 2 of 4 liver fibrosis indexes-hyaluronic acid (HA), laminin, type III procollagen peptide (PCIII), and type IV collagen (CIV)-at testing in a Chinese hospital. Patients were tested for serum viral load, HBV markers, and histopathological changes in liver biopsy specimens. Results OBI was identified in 148 patients with liver fibrosis (8.4%), who had significantly higher levels of HA, laminin, PCIII, and CIV than 1624 fibrotic patients without OBI (P < .05). In 36 patients with OBI who underwent liver biopsy, significant correlations were observed between OBI viral load and serum HA levels (P = .01), PCIII levels (P = .01), and pathological histological activity index (HAI) scores (P < .001), respectively; HAI scores and PCIII levels (P = .04); HBcAg immunohistochemical scores and HA levels (P < .001); and HBcAg immunohistochemical scores and PCIII levels (P = .03). Positive fluorescent in situ hybridization results were significantly more frequent in patients with OBIs (80.6% vs 37.5% in those without OBIs). Among patients with OBIs, HBcAg was detected in the liver tissue in 52.8% and HBsAg in 5.6%. Conclusions OBI status appears to be associated with liver fibrosis severity.
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