AAP Guidelines for Down Syndrome & Screening for Celiac Disease Plus One (How to Fix Diarrhea)

The AAP has updated recommendations for Down syndrome: MJ Bull et al. Pediatrics (2022) 149 (5): e2022057010. Open Access: Health Supervision for Children and Adolescents With Down Syndrome

For gastroenterologists, one area of concern is screening for celiac disease in this population due to a mildly increased risk.

Here is what is recommended in children after 1 year of age:

“For children on a diet that contains gluten, review for symptoms potentially related to celiac disease at each health supervision visit because children with Down syndrome are at increased risk. These symptoms include diarrhea or protracted constipation, slow growth, unexplained failure to thrive, anemia, abdominal pain or bloating, or refractory developmental or behavioral problems.9799  For those with symptoms, obtain a tissue transglutaminase immunoglobulin A (TTG IgA) concentration and simultaneous quantitative IgA. The quantitative IgA is important, because an IgA deficiency renders the TTG IgA unreliable. Refer patients with abnormal laboratory values for specialty assessment. Do not institute a gluten-free diet before confirmation of the diagnosis, because lack of gluten can make interpretation of endoscopic results difficult. There is no evidence that routine screening of asymptomatic individuals would be beneficial. There are neither data nor consensus that would indicate whether patients with persistent symptoms who had normal laboratory values on initial evaluation should have further laboratory tests.”

In addition to celiac disease, the AAP article has a ton of useful resources regarding Down syndrome for clinicians and families.

My take: Celiac disease is difficult to diagnose and is much more common in children with Down syndrome. It is worth noting that other Down syndrome groups, NICE and NASPGHAN have recommended screening for celiac in all children with Down syndrome. (Ref: M Pavlovic et al. World J Clin Cases. 2017 Jul 16; 5(7): 264–269. Open Access: Screening of celiac disease in Down syndrome – Old and new dilemmas)

Related blog posts:

White Sands National Park, New Mexico

Also, a keen observation from Carlo Di Lorenzo’s twitter feed:

The corollary of this is how miraculous it is when a child who has not stooled for 3 weeks straight has no residual markers after swallowing a Sitz capsule.

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