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  • Title: Detection of particles within the nasal airways before and after nasal decongestion.
    Author: Keck T, Leiacker R, Kühnemann S, Rettinger G, Lindemann J.
    Journal: Clin Otolaryngol Allied Sci; 2001 Aug; 26(4):324-8. PubMed ID: 11559347.
    Abstract:
    Cleansing of the air is one of the most important functions of the nose. The aim of this investigation was to determine the influence of decongestion of the nasal mucosa with xylometazoline on the intranasal particle deposition at different sites of the nasal cavity. During respiration of an aerosol of starch particles, the non-deposited particles in the air were laseroptically detected in 10 healthy volunteers by a transnasally placed suction probe at different locations within the nasal cavity. The anterior nasal segment was the main area of intranasal particle deposition before and after decongestion of the nasal mucosa. Particle deposition after nasal decongestion was not significantly different from the values before application of xylometazoline. Decongestion of the nasal mucosa and increase in nasal cavity diameter seems not to influence particle deposition of inhaled and exhaled air within a short period after onset of the maximal decongestive effect of xylometazoline.
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