DIFFERENTIATION OF ACUTE EXACERBATIONS OF CHRONIC HEPATITIS B AND ACUTE HEPATITIS B IN ANTI-HBc IgM POSITIVE PATIENTS AT HOSPITAL FOR TROPICAL DISEASES
Main Article Content
Abstract
Background: Acute exacerbations of chronic hepatitis B (CHB-AE) are common in endemic areas and difficult to distinguish from acute hepatitis B (AHB) in anti-HBc IgM-positive patients with prior HBV history infection is unknown.
Objectives: To identify the factors that differentiate AHB from CHB-AE in anti-HBc IgM-positive patients.
Methods: A retrospective and prospective analysis of record was conducted for patients who presented with clinical features of acute hepatitis along with IgM antibody to hepatitis B core antigen (anti-HBc IgM) positive at Hospital for Tropical Diseases (HTD) from January 2018 to September 2022. Diagnostic confirmed based on HBsAg loss after 6 months. Multivariates logistic regression was done to identify the factors that differentiated these two features.
Results: A total of 610 patients were enrolled and divided into two groups: AHB (n = 491) and CHBAE (n = 119). The level of platelet, TQ, ALT, albumin and the value of S/CO ratio for anti-HBc IgM were significantly lower in the CHB-AE group compared to the AHB group. In contrast, age, the level of AFP, the value of S/CO ratio for HBeAg and HBV DNA had higher levels in the CHB-AE group. The multivariate analysis demonstrated that the level of platelet, AFP and the S/CO ratio of anti-HBc IgM were meaningful factors.
Conclusions: Anti-HBc IgM should be included concurrently with the test of liver fibrosis such as the level of platelet and AFP to predict patients with CHB-AE.
Article Details
Keywords
Differential diagnosis, acute hepatitis B, acute exacerbation of chronic hepatitis B, hepatitis B virus, anti-HBc IgM
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