ArticleBlood transfusion = Trasfusione del sangue2022
Hepatitis E infection in adults with primary immunodeficiency with or without immunoglobulin replacement therapy.
Article in Blood transfusion = Trasfusione del sangue, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 1 citations in OpenAlex.
- Porto-sinusoidal Vascular Disease is Associated with Gastrointestinal Disorders in Common Variable Immunodefiency.Journal of clinical immunology · 2026Article
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Authors and funding
13 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIn a context of secondary immunodeficiency, hepatitis E virus (HEV) infection can be responsible for chronic liver disease. MATERIALS AND
methodsWe investigated HEV infection in patients with primary immunodeficiency treated (or not) with immunoglobulin (Ig) replacement therapy (IgRT) in France, a country with a high seroprevalence of HEV. In a nationwide study of individuals with primary immunodeficiency, 533 patients (349 and 184 receiving IgRT or not, respectively) were tested for HEV RNA and anti-HEV antibodies. In addition, 23 batches of five different commercially available immunoglobulin preparations were screened for anti-HEV IgG.
resultsThree of the 533 patients displayed markers of a recent HEV infection (HEV RNA in one case, and anti-HEV IgG and IgM in two) but no evidence of chronic liver disease. The overall seroprevalence of HEV was 50% (266 out of 533), with values of 68% and 16% in patients receiving IgRT or not, respectively (p<0.001). Anti-HEV IgG were detected in all batches of immunoglobulin preparations, although the titer varied from 3 to 127 IU/g IgG. Seroconversion was observed in 15 of the 22 (68%) patients tested before and after IgRT. DISCUSSION: No cases of chronic HEV-related disease were detected among patients with primary immunodeficiency and hypogammaglobulinemia, whether they received IgRT or not. This confirms that patients with primary immunodeficiency have a low risk of chronic infection despite a seroprevalence close to that observed in the French general population and that IgRT, which confers a high HEV seroprevalence, might play a key role in protection against chronic infection.
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