Seroprevalence of celiac disease antibodies in blood donors
- PMID: 40969725
- PMCID: PMC12441323
- DOI: 10.5339/qmj.2025.80
Seroprevalence of celiac disease antibodies in blood donors
Abstract
Background: Celiac disease (CD) is a chronic immune-mediated disorder of the digestive system triggered by gluten ingestion among genetically predisposed individuals. It is a chronic disease that causes malnutrition, but it is a non-fatal condition. A significant proportion of cases remain undiagnosed due to asymptomatic or nonspecific presentations, contributing to delayed diagnosis and long-term complications. CD is not a contraindication for blood donation. This study aims to determine the seroprevalence of CD antibodies and the prevalence of biopsy-proven CD among blood donors.
Methods: A cross-sectional study was conducted on 1,497 blood donors (≥18 years) at Hamad Medical Corporation, Doha, Qatar, between 2018 and 2022. Serum anti-tissue transglutaminase IgA (anti-tTG IgA) and anti-endomysial IgA (anti-EM IgA) antibodies were measured in enrolled blood donors. Individuals with positive results for either antibody underwent esophagogastroduodenoscopy (EGD) with duodenal biopsies to confirm the diagnosis.
Results: Serological testing revealed a seroprevalence of 0.8% (95% CI, 0.4%-1.4%) for anti-tTG IgA, with 83.3% of these individuals also being positive for anti-EM IgA. All seropositive individuals were male. Of 12 seropositive individuals, 4 (33%) consented to EGD and duodenal biopsy. Histological findings confirmed CD in two cases (50% of seropositive individuals who consented to biopsy). Both confirmed cases exhibited Marsh grade 2 changes.
Conclusion: The seroprevalence of CD antibodies among healthy blood donors was 0.8%, and biopsy-proven CD was 50% among seropositive individuals who consented to EGD. These findings highlight the presence of undiagnosed CD in this population, predominantly in males, and underscore the need for further community-based studies to assess the true prevalence and clinical implications of CD.
Keywords: Celiac disease; anti-endomysial antibody; anti-tissue transglutaminase antibody; blood donors.
© 2025 Mukherjee, Sarkar, Pandit, Ray, Das, Dubey, Licensee HBKU Press.
References
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- Al-Toma A, Volta U, Auricchio R, Castillejo G, Sanders DS, Cellier C, et al. European Society for the Study of Coeliac Disease (ESsCD) guideline for coeliac disease and other gluten-related disorders. United European Gastroenterol J. 2019 Jun;7((5):):583–613. http://doi.org/10.1177/205 0640619844125. - DOI - PMC - PubMed
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