Inclusion Criteria:  Obstructive sleep apnea need either functional septorhinoplasty or oropharyngeal/orthognathic surgery in order to establish adequate airway patency have undergone sleep registration using polysomnography and ultrawideband radar on the subsequent clinical evaluation presenting either 1) intranasal obstruction, due to malalignment of the nasal septal cartilage or the nasal outer framework; and/or 2) oropharyngeal obstruction or retrognathia.  Exclusion Criteria:  previous nasal or oropharyngeal surgery previous use of nasal decongestant or nasal topical steroids over the last 3 months