Tag Archive: NICHD

Oct 9 2019

New Study Explores In-Home Sleep Apnea Evaluation for Children With Down Syndrome

By Barbara Drosey

Obstructive sleep apnea affects a disproportionate number of children with Down syndrome – 40 to 50 percent – compared to the 3 to 5 percent of their typically developing peers who are affected. Obstructive sleep apnea occurs more frequently during REM sleep, a sleep stage during which the body is completely relaxed, allowing the upper airways to become partially or completely blocked. Children with Down syndrome have midfacial hypoplasia, enlarged tongues, and baseline low muscle tone, all of which make them more prone to obstructive sleep apnea. These repeated obstructions in breathing can cause oxygen deprivation, carbon dioxide retention, and repeated awakenings that prevent children from getting a good night’s sleep.

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Jan 7 2019

Studying ‘The Beginning’ to Understand What Comes Later: Q&A With J. Christopher Edgar, PhD

One-month-old Connor only dimly perceives the world around him. Just two months later, when he sees his mother’s beaming face or hears his father’s hearty laugh, he smiles with recognition. And by the time Connor reaches his first birthday, he’s starting to put one foot in front of the other and verbally communicate with his parents. Just what accounts for these significant changes?

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