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  • Title: Current advances in rhinomanometry.
    Author: Naito K, Iwata S.
    Journal: Eur Arch Otorhinolaryngol; 1997; 254(7):309-12. PubMed ID: 9298664.
    Abstract:
    Current advances in rhinomanometry were reviewed in this paper. Active posterior rhinomanometry with a "head-out" body plethysmography may be the least invasive method currently available for measuring nasal patency. In general, active anterior rhinomanometry with a face mask or a nasal nozzle has been employed in various studies throughout the world. Nasal resistance as calculated from the equation R = 0.78 (delta P/V)1.33 at any points on a pressure/flow curve, or averaged nasal resistance may be the most suitable expression for nasal patency. Values for nasal resistance at delta P 100 Pa in Japanese patients or delta P 150 Pa in Caucasians have been widely employed as standard objective data for nasal obstruction, although rhinomanometric results sometimes do not agree with subjective evaluation of nasal obstruction. Nasal airflow acceleration or peak flow index during nasal breathing at rest can be applied as warranted to confirm an objective diagnosis of symptomatic nasal obstruction. Further, nationality and anthropological characteristics can be related to the severity and type of stuffiness.
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