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. 2023 Mar;57(5):464-474.
doi: 10.1111/apt.17272. Epub 2022 Nov 2.

Significant histological disease of patients with chronic hepatitis B virus infection in the grey zone

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Significant histological disease of patients with chronic hepatitis B virus infection in the grey zone

Jian Wang et al. Aliment Pharmacol Ther. 2023 Mar.

Abstract

Background: Many patients with chronic hepatitis B (CHB) do not meet the definitions of the traditional natural phases and are classified as being in the grey zone (GZ).

Aims: To investigate liver histology, and to establish a management strategy for patients with CHB in the GZ.

Methods: This study included 1043 patients with CHB who underwent liver biopsy. Phases of natural history were determined according to the AASLD 2018 hepatitis B guidance. CHB patients in the GZ were divided into HBeAg-positive, normal ALT and HBV DNA ≤106 IU/ml (GZ-A); HBeAg-positive, elevated ALT and HBV DNA ≤2 × 104 IU/ml (GZ-B); HBeAg-negative, normal ALT and HBV DNA ≥2 × 103 IU/ml (GZ-C) and HBeAg-negative, elevated ALT and HBV DNA ≤2 × 103 IU/ml (GZ-D). Significant histological disease was defined as liver inflammation ≥G2 and/or liver fibrosis ≥S2.

Results: Two hundred and forty two (23.2%) patients were in the GZ. Approximately 72.7% had significant histological disease. HBeAg-positive GZ CHB patients had a higher proportion of significant histological disease than HBeAg-negative GZ patients (91.1% vs. 68.5%, p = 0.002). GZ-D (42.6%) was the dominant category, followed by GZ-C (38.8%), GZ-A (10.3%) and GZ-B (8.3%). The highest proportion of significant histological disease was observed patients in GZ-B (100.0%), followed by GZ-A (84.0%), GZ-D (69.9%) and GZ-C (67.0%). Prothrombin time (PT) was an independent risk factor of significant histological disease in the HBeAg-negative GZ.

Conclusions: Over 70% of GZ CHB patients had significant histological disease. We recommend antiviral treatment for HBeAg-positive and HBeAg-negative GZ CHB patients with high PT.

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References

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