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Published on: July 5, 2022
Ninety percent of celiac disease is being missed
M Ravikumara1, V K T Nootigattu, B K Sandhu
1Department of Gastroenterology, Bristol Royal Hospital for Children, Upper Maudlin Street, Bristol, UK.
Insights
Celiac disease (CD) affects at least 1% of children, but most cases remain undiagnosed. This study highlights a significant gap between serological screening results and biopsy-confirmed diagnoses, indicating widespread underdiagnosis of CD in children.
Area of Science:
- Pediatric Gastroenterology
- Immunology
- Epidemiology
Background:
- Celiac disease (CD) prevalence is estimated at 1% in children.
- The Avon Longitudinal Study of Parents and Children (ALSPAC) cohort includes 13,971 children.
- Serological screening identified a high prevalence of potential CD cases.
Purpose of the Study:
- To identify biopsy-confirmed CD cases within the ALSPAC cohort.
- To estimate the discrepancy between serology-positive and biopsy-confirmed CD cases.
- To determine the rate of undiagnosed celiac disease in children.
Main Methods:
- Serological screening of 5,470 children aged 7.5 years from the ALSPAC cohort.
- Referral of suspected CD cases to a single specialized center for confirmation.
- Comparison of serological results with biopsy-confirmed diagnoses.
Main Results:
- Serological screening indicated a CD prevalence of at least 1%.
- A significant number of serology-positive children were not identified through biopsy confirmation.
- The study suggests over 90% of pediatric CD cases may go undiagnosed.
Conclusions:
- There is a substantial underdiagnosis of celiac disease in children.
- Routine serological screening may overestimate CD prevalence without biopsy confirmation.
- Improved diagnostic pathways are needed to identify and manage pediatric celiac disease.
Abstract:
Serological screening of 5470 children age 7.5 years from a cohort of 13,971 children in the Avon Longitudinal Study of Parents and Children (ALSPAC) suggested the prevalence of celiac disease (CD) to be at least 1%. ALSPAC is an anonymous study, and hence seropositive children could not be individually identified or undergo biopsy. Inasmuch as all children within ALSPAC suspected of having CD are referred to just 1 center, we aimed to identify children with biopsy-confirmed CD who were likely to be in this cohort and to estimate the magnitude of discrepancy between serology-positive cases and biopsy-confirmed cases. The results suggest that more than 90% of CD in children goes undiagnosed.
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