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Studies of celiac disease at DDW 2018 found low rates of non-celiac gluten sensitivity, lower detection in women vs men, and that the pediatric poulation is underdiagnosed.
Celiac Disease: More Prominent in Women, Underdiagnosed in Kids, and other Epidemiologic Trends. 4 Studies At-a-Glance based on presentatations at Digestive Diseases Week 2018, June 2-5, 2018, Washington, DC.
From self-reported wheat intolerance to non-celiac gluten sensitivity diagnosis: an Italian community-based study.
Non-Celiac Gluten Sensitivity: Just How Prevalent? Non-celiac gluten sensitivity (NCGS) was defined as a clinical condition in 2011 and is increasing worldwide with a prevalence of 0.5% to 13%.
Italian Community Study: Low Prevalence of NCGS. Conclusions: This study confirmed low prevalence of NCGS although it may be even lower in general population and there was an overlap between functional GI syndromes and food intolerance; it remains unclear how IBS is distinct from self-reported wheat insensitivity.
Gender-based differences in screened populations in celiac disease: a systematic review and meta-analysis.
Are Women More Likely to go Undiagnosed for CD? Authors aimed to determine if the gender differences in diagnosed celiac diseas extends to undiagnosed individuals. This systemic review and meta-analysis looked at 88 studies and nearly 300 000 individuals including those without past diagnosis of CD, who had autoantibody screening and serology and/or biopsy.
Yes: Burden of Undetected CD Higher in Women. Conclusions: Undetected CD is more common in women; children show higher degrees of gender difference in undetected CD; more villous atrophy is seen in women vs men; and the results suggest underlying biological differences.
The rise in incidence of CD has stopped despite increasing application of CD serology testing: a population-based study.
Community Study of Trends in CD Diagnosis. This cross-sectional community substudy assessed patients tested for CD from 1998 to 2015 and evaluated tTGA IgA, tTGA IgG, and histology.
Incidence of CD has Halted Despite Increased Testing. Conclusions: Yield of CD testing in capturing undiagnosed CD decreased, suggesting some indications for CD testing should be re-considered; however, it is still important for PCPs to test for CD, especially in children and those with positive family history.
Screening the general pediatric population for celiac disease: autoimmunity screening for kids (The ASK Study).
ASK Study: Celiac and T1D Screening in Kids. The initial symptoms screened for T1D included islet autoantibodies and for CD included tTGA-IgA and RBA for IgA, IgG, and IgM. A positive screen was followed by a confirmatory blood draw and a detailed symptoms questionnaire.
Undiagnosed CD in Kids Prevalence Relatively High. Conclusions: Relatively high prevalence of undiagnosed CD in general pediatric population, presence of symptoms is not a good indicator of CD. Current study is ongoing and will give a better picture of natural history of undiagnosed CD.
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