Long-term follow-up of patients with hepatitis B e antigen negative chronic hepatitis B |
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Authors: | Bekku Dan Arai Makoto Imazeki Fumio Yonemitsu Yutaka Kanda Tatsuo Fujiwara Keiichi Fukai Kenichi Sato Kenichi Itoga Sakae Nomura Fumio Yokosuka Osamu |
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Affiliation: | Department of Medicine and Clinical Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan. |
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Abstract: | Background and Aim: After hepatitis B virus (HBV) e antigen (HBeAg) seroconversion, HBV‐DNA continues to replicate, and HBeAg‐negative patients still face the risk of liver disease progression. We investigated the predictive factors for alanine aminotransferase (ALT) elevation, antiviral drug use, and hepatocellular carcinoma (HCC) occurrence in HBeAg‐negative patients. Methods: Age, sex, ALT, platelet counts, HBV‐DNA levels, genotype, antidiabetic drug use, body mass index, smoking, and alcohol consumption were analyzed for a total of 244 HBV carriers who were HBeAg‐negative. Results: Of 244 HBeAg‐negative patients, 158 (64.8%) showed normal ALT levels at baseline. Multivariate Cox hazard regression analysis identified high HBV‐DNA levels and high ALT at baseline as independent risk factors for ALT elevation in the patients with normal ALT at baseline. The threshold ALT and HBV‐DNA levels were determined to be 31 IU/L and 5.3 logcopies/mL, respectively. Seventeen (7.0%) patients used antiviral drugs. Multivariate Cox hazard regression analysis identified high HBV‐DNA levels (threshold, 5.7 log copies/mL), the use of antidiabetic drugs, and daily alcohol consumption at baseline as an independent risk factor for the use of antiviral drugs in HBeAg‐negative patients. In 10 patients (4.1%), HCC was detected, and a low platelet count (threshold, 10.0 × 104/mm3) was associated with the occurrence of HCC. Conclusion: This study identified predictors of future active liver disease in HBeAg‐negative patients, i.e. ALT elevation, unavoidable use of antiviral drugs, and occurrence of HCC. |
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Keywords: | HBe antibody hepatitis B virus long‐term follow‐up |
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