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논문 기본 정보

자료유형
학술저널
저자정보
Hui Ka-Yin (Department of Medicine Queen Mary Hospital The University of Hong Kong Hong Kong SAR China) Fung James (Department of Medicine Queen Mary Hospital The University of Hong Kong Hong Kong SAR China) Cheung Ka-Shing (Department of Medicine Queen Mary Hospital The University of Hong Kong Hong Kong SAR ChinaDepartment of Medicine The University of Hong Kong-Shenzhen Hospital Shenzhen China) Mak Lung-Yi (Department of Medicine Queen Mary Hospital The University of Hong Kong Hong Kong SAR ChinaState Key Laboratory of Liver Research The University of Hong Kong Hong Kong SAR China) Seto Wai-Kay (Department of Medicine Queen Mary Hospital The University of Hong Kong Hong Kong SAR ChinaDepartment of Medicine The University of Hong Kong-Shenzhen Hospital Shenzhen ChinaState Key Laboratory of Liv) Yuen Man-Fung (Department of Medicine Queen Mary Hospital The University of Hong Kong Hong Kong SAR ChinaState Key Laboratory of Liver Research The University of Hong Kong Hong Kong SAR China)
저널정보
거트앤리버 발행위원회 Gut and Liver Gut and Liver 제17권 제2호
발행연도
2023.3
수록면
280 - 287 (8page)
DOI
10.5009/gnl220122

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Background/Aims: Hepatitis B surface antigen (HBsAg) seroclearance remains uncommon in chronic hepatitis B (CHB) infection. During acute flares of CHB (AFOCHB), alanine aminotransferase elevation reflects a mounting immune response toward viral clearance. We hypothesized that severe AFOCHB is associated with a greater quantitative HBsAg (qHBsAg) decline and HBsAg seroclearance rate. Methods: A total of 75 patients with severe AFOCHB with alanine aminotransferase 10× the upper limit of normal were matched to a control group by age and sex in a 1:2 ratio. qHBsAg levels were measured at the time of flare and annually (for both cases and controls) until the last follow-up. Results: The median follow-up times for patients with severe AFOCHB and controls were 8.8 and 10.5 years, respectively. The cumulative rate of HBsAg seroclearance was higher in the severe AFOCHB group than in the control group (11.8% vs 5.0%, p=0.04) despite the former group having a trend of a higher baseline median qHBsAg (3,127 IU/mL vs 1,178 IU/mL, p=0.076). Compared with the control group, the severe AFOCHB group had a greater annual qHBsAg reduction (–242.4 IU/mL/yr vs –47.3 IU/mL/yr, p=0.002). Increasing age (p=0.049), lower baseline qHBsAg (p=0.002), and severe AFOCHB (p=0.014) were independently associated with HBsAg seroclearance. However, the cumulative rate of hepatocellular carcinoma was significantly higher in the severe AFOCHB group than in the control group (15.8% vs 1.9%, p<0.001). Conclusions: Severe AFOCHB was associated with a greater incidence of HBsAg seroclearance and qHBsAg decline. However, it was associated with a higher incidence of hepatocellular carcinoma.

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