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Sleep Technology

AAST Blog

The latest on all issues affecting sleep technologists, including trends, insights, tips and more.

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OSA | OSA and sense of smell

Possible Link Between Obstructive Sleep Apnea and the Sense of Smell

By: Regina Patrick, RPSGT, RST
August 7th, 2020

An overlooked symptom in people with obstructive sleep apnea (OSA) is olfactory dysfunction (i.e., impairment in the sense of smell) such as an inability to detect or distinguish between odors. A finding that the sense of smell improves soon after a person with OSA begins continuous positive airway pressure (CPAP) treatment corroborates a possible link between olfactory dysfunction and OSA.1,2

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