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2 year old son makes 'reverse snorting' sounds (exhale breath) in nasal passage. looking for explanation.

hello. i am not sure if this is the appropriate forum for this particular question but i figure those knowledgeable of anatomy may have a theory.

i have a 2 year old son with down syndrome. he voluntarily makes a reverse snorting sound through his nasal passage on his exhaling breath. when he is awake, he actively makes this noise and it can be for up to 4 seconds at a time and does it repeatedly. i have tried to make this noise, it is very uncomfortable, almost painful. this does not appear to bother my son, thus he does it quite a bit, and can be quite noisy which doesnt bother us as we have 3 other crazy girls running around and we are just curious how he can easily do this and its difficult and painful for us. anyway so far i can only find information regarding dogs making this noise. as well as a youtube video of an autistic child making the same noise but different pitch, motive, and length of time that he makes the sounds. web searches return virtually zero documentation of how/why this can happen with people. i realize the down syndrome my son has causes different parts of his body to be shaped differently than most other people. 

im hoping someone can atleast point me in the right direction for info regarding this if this is not the right forum, but someone that can explain how this happens would be best if possible. thanks in advance.

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Downs children have underdeveloped mid faces, which leads to redundant soft palate tissues behind the maxillary and palatal bones. Typically, snoring occurs during an inhale, as the soft palate collapse circumferentially inwards, but in certain situation, the excess soft palate and uvular tissues can ball-valve back into the nose, either causing a snorting sound or even a total obstruction on the exhale. 

I am glad you posted and we're lucky our Resident ENT and Sleep Specialist, Dr. Park responded.  He is a much respected doctor and many of us would fly to see him as our sleep doc if we could afford to fly to NY.

      For those who can't afford to fly to New York, you might want to read Dr. Park's excellent book, Sleep, Interrupted

      Visit Dr. Park's site to order it plus learn lots of useful, interesting things related to sleep and sleep-related breathing problems: http://doctorstevenpark.com/

      We in New York consider Dr. Park to be our treasure -- but we can all share him via his site, his monthly webinars, etc., etc.

 

 


Mary Z said:

I am glad you posted and we're lucky our Resident ENT and Sleep Specialist, Dr. Park responded.  He is a much respected doctor and many of us would fly to see him as our sleep doc if we could afford to fly to NY.

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