University of Pennsylvania
This project will provide important new information regarding (1) the relationship between route of breathing and airway collapsibility and (2) whether route of breathing during DISE (Drug-Induced Sleep Endoscopy) is representative of natural sleep.
As part of standard of care, a drug-induced sleep endoscopy will be done, where route of breathing will be determined as a percentage of total breaths (during baseline, lateral sleep and maneuver). As part of the research procedure, an in-laboratory Polysomnogram will be conducted as study procedure including a oronasal pressure signal cannula to assess route of breathing.
Inclusion Criteria: * • Adults (≥ 18yrs) that underwent clinical evaluation at the CPAP Alternatives Clinic at Penn Otorhinolaryngology. * Must have at least mild OSA (AHI\>5) Exclusion Criteria: * • Sleep study with an AHI\<5, \>25% of total events being central or mixed events, or inability to achieve adequate drug-induced sleep. * Upper Respiratory Illness at the time of the DISE.
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