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Prevalence of coeliac disease in healthy blood donors: a study from north India
Rakesh Kochhar1, Suchet Sachdev, Rashi Kochhar
1Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh, India. dr kochhar@hotmail.com
Insights
The prevalence of coeliac disease in apparently healthy blood donors is 0.56%, or 1 in 179 individuals. This finding highlights the utility of blood donor screening for estimating population coeliac disease prevalence.
Area of Science:
- Gastroenterology
- Immunology
- Epidemiology
Background:
- Coeliac disease diagnosis can be challenging due to asymptomatic cases.
- Blood donor screening offers a potential method for estimating population coeliac disease prevalence.
Purpose of the Study:
- To determine the prevalence of coeliac disease in apparently healthy blood donors.
- To assess the feasibility of using blood donor screening for epidemiological studies of coeliac disease.
Main Methods:
- Screening of 1610 healthy blood donors for anti-tissue glutaminase antibodies between December 2010 and June 2011.
- Positive serology cases underwent duodenoscopy for histological confirmation.
- Demographic and clinical data, including endoscopic findings, were recorded.
Main Results:
- Nine out of 1610 donors (0.56%) were seropositive for coeliac disease.
- Histological examination confirmed coeliac disease (Marsh IIIa/IIIb) in all nine positive cases.
- The estimated prevalence of coeliac disease in this cohort was 1:179, with no significant difference in BMI or hemoglobin compared to the general donor population.
Conclusions:
- The prevalence of coeliac disease among apparently healthy blood donors is 0.56% (1:179).
- Blood donor screening is a viable method for estimating coeliac disease prevalence in the general population.
Background:
Blood donor screening can help predict prevalence of coeliac disease in population.
Methods:
Between December 2010 and June 2011, healthy blood donors were screened using anti-tissue glutaminase antibodies. Those positive underwent duodenoscopy. Their age, gender, body mass index and haemoglobin and histological changes were recorded.
Results:
Of the 1610 blood donors screened, 1581 (98.2%) were males. The mean age of donors was 31.51 ± 9.66 years and the mean body mass index was 22.12 ± 4.24 kg/m(2). Nine (0.56%) men were seropositive. Endoscopic features included reduced fold height (9), scalloping (8), grooving (7) and mosaic mucosal pattern (3). Eight had Marsh IIIa changes whilst one had IIIb change. The prevalence of coeliac disease was 1:179 (0.56%, 95% confidence interval 1/366-1/91, 0.27-1.1%). None of the 9 patients had any symptoms. Their mean haemoglobin and body-mass index was similar to rest of the cohort.
Conclusion:
The prevalence of coeliac disease amongst apparently healthy blood donors was 1:179 (0.56%).
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