Treatment with nasal continuous positive airway pressure (CPAP) was attempted in a patient with severe obstructive sleep apnea. However, application of nasal CPAP gave the patient a feeling of being suffocated. This was later documented by cine-fluoroscopic examinations of the upper airways with and without nasal CPAP. The epiglottis was large and lax, and upon positive pressure inspiration, it was literally blown down so it occluded the hypopharyngeal airway.
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| http://dx.doi.org/10.1378/chest.91.4.621 | DOI Listing |
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