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Published on: June 26, 2020
Seroprevalence of Hepatitis E Virus in Autoimmune Hepatitis Patients in the Netherlands
Nicole M F van Gerven1, Annemiek A van der Eijk2, Suzan D Pas2
1Department of Gastroenterology and Hepatology, VU University Medical Centre, Amsterdam, The Netherlands. n.vangerven@vumc.nl.
Background And Aims:
In recent years chronic courses of hepatitis E virus (HEV) infection have been described in immunosuppressed individuals. This may implicate a potential role for HEV in the development of autoimmune diseases, including autoimmune hepatitis (AIH). Here we investigated the prevalence of HEV-antibodies in AIH patients in an endemic Central European country.
Methods:
HEV-specific immunoglobulin G (IgG) and HEV RNA were determined in 354 and 377 AIH patients, respectively. Clinical characteristics and disease outcome parameters were retrospectively collected.
Results:
No HEV viraemic patients were identified in this cohort. A total of 106 AIH patients (29.9%) tested positive for anti-HEV IgG, and this figure was slightly higher compared to the prevalence in a reference cohort including 5,329 healthy Dutch blood donors (26.7%; P>0.05).
Conclusion:
This is the largest study on the association between HEV infection and AIH. Apparently silent HEV infection is present in a significant proportion of AIH patients, yet appears not to have significant clinical repercussions in this immune compromised group of patients. Nevertheless, since acute hepatitis E may present with histological and biochemical features of AIH, the possibility of a (concomitant) HEV infection should be considered in this category of patients.
