Expiratory nasal sound analysis as a new method for evaluation of nasal obstruction in patients with nasal septal deviation: Comparison of expiratory nasal sounds from both deviated and normal nasal cavity

Abstract

Background: The reliability of nasal obstruction measurements could be improved, and several new techniques are being developed. Our objective was to investigate the use of a new software program, Odiosoft-Rhino, in the assessment of nasal obstruction via analysis of the sounds of nasal expiration.