Odiosoft-Rhino versus rhinomanometry in healthy subjects.

Conclusion: Odiosoft-Rhino (OR) is a non-invasive test that is completed in an extremely short period of time. It is easy to perform and little patient cooperation is needed. OR is safe and could be used in the rhinological setting if further improved.
Objective: To evaluate nasal obstruction objectively with a new technique, OR, and to compare the results with a widely accepted method, rhinomanometry, in normal subjects.
Subjects and Methods: OR and anterior RMM were performed in 79 subjects without any rhinologic symptoms and signs. Visual analogue scales (VAS) of nasal obstruction, nasal airway resistance and nasal expiratory and inspiratory sounds were analysed.
Results: VAS of nasal obstruction was found to be correlated with OR findings of expiration at 2000-4000 Hz frequency interval on both sides (r = 0.564, p < 0.01 for the left side, r = 0.533, p < 0.01 for the right side). Correlations were found (p < 0.05) between left 2000-4000 Hz in expiration OR and left expiration RMM, left 4000-6000 Hz in expiration OR and left expiration RMM, right 2000-4000 Hz in expiration OR and right expiration RMM, and right 4000-6000 Hz in expiration OR and right expiration RMM. No correlation was seen between VAS, anterior RMM and OR at inspiration in any interval.