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. 2023 Aug 28;29(32):4900-4911.
doi: 10.3748/wjg.v29.i32.4900.

Hepatitis B virus infection in patients with Wilson disease: A large retrospective study

Hua-Ying Zhou  1 , Xu Yang  1 , Kai-Zhong Luo  1 , Yong-Fang Jiang  1 , Wen-Long Wang  1 , Jun Liang  1 , Ming-Ming Li  1 , Hong-Yu Luo  2
Affiliations

Hepatitis B virus infection in patients with Wilson disease: A large retrospective study

Hua-Ying Zhou et al. World J Gastroenterol. .

Abstract

Background: Wilson disease (WD) is the most common genetic metabolic liver disease. Some studies have shown that comorbidities may have important effects on WD. Data on hepatitis B virus (HBV) infection in patients with WD are limited.

Aim: To investigate the prevalence and clinical impact of HBV infection in patients with WD.

Methods: The clinical data of patients with WD were analyzed retrospectively, and the data of patients with concurrent WD and HBV infection were compared with those of patients with isolated WD.

Results: Among a total of 915 WD patients recruited, the total prevalence of current and previous HBV infection was 2.1% [95% confidence interval (CI): 1.2%-3.0%] and 9.2% (95%CI: 7.3%-11.1%), respectively. The main finding of this study was the identification of 19 patients with concurrent WD and chronic hepatitis B (CHB) infection. The diagnosis of WD was missed in all but two patients with CHB infection. The mean delay in the diagnosis of WD in patients with concurrent WD and CHB infection was 32.5 mo, which was significantly longer than that in patients with isolated WD (10.5 mo). The rates of severe liver disease and mortality in patients with concurrent WD and CHB infection were significantly higher than those in patients with isolated WD (63.1% vs 19.3%, P = 0.000 and 36.8% vs 4.1%, P < 0.001, respectively). Binary logistic regression analysis revealed a significantly higher risk of severe liver disease at the diagnosis of WD in patients with current HBV infection [odds ratio (OR) = 7.748; 95%CI: 2.890-20.774; P = 0.000)] or previous HBV infection (OR = 5.525; 95%CI: 3.159-8.739; P = 0.000) than in patients with isolated WD.

Conclusion: The total prevalence of current HBV infection in patients with WD was 2.1%. The diagnosis of WD in CHB patients is usually missed. HBV infection is an independent risk factor for severe liver disease in WD patients. The diagnosis of WD should be ruled out in some patients with CHB infection.

Keywords: Ceruloplasmin; Chronic hepatitis B; Concurrent Wilson disease and hepatitis B virus infection; Hepatitis B virus; Kayser-Fleischer ring; Wilson disease.

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Conflict of interest statement

Conflict-of-interest statement: All the authors report no relevant conflicts of interest for this article.

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