Nasal Obstruction and CPAP Outcomes Cohort Study

Sleep Apnea Research Group
Principal Investigator: Edward M. Weaver, MD, MPH
Co-Investigators: Richard Deyo, MD, MPH; Vishesh Kapur, MD, MPH; Michael Vitiello, PhD; Allan I. Pack, MB, ChB, PhD; Derek Lam, MD
Introduction:
Obstructive sleep apnea syndrome is defined as symptomatic repetitive obstruction of the upper airway during sleep (1) and occurs in 2