We have studied the relation between inspiratory flow rate and airway opening in awake seated and supine subjects with diagnosed Obstructed Sleep Apnea (OSA). Two primary measurement techniques were used; measure of flows and pressures at the nose during nasal breathing, and an acoustic pulse-technique (pharyngometry) applied during mouth breathing. Eight OSA and eight control subjects were screened at the GCRC including BMI and percent body fat determination (calipers). Inhalation measurements were then performed. Analyses demonstrated a substantial difference in the pharyngeal compliance of OSA and control subjects. Work initiated at the University Park Campus is continuing in cooperation with Pulmonary Critical Care at the Hershey Medical Center.

Project Start
1997-12-01
Project End
1998-11-30
Budget Start
1997-10-01
Budget End
1998-09-30
Support Year
4
Fiscal Year
1998
Total Cost
Indirect Cost
Name
Pennsylvania State University
Department
Type
DUNS #
129348186
City
Hershey
State
PA
Country
United States
Zip Code
17033
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