日本耳鼻咽喉科学会会報
Online ISSN : 1883-0854
Print ISSN : 0030-6622
ISSN-L : 0030-6622
顔面マスクや鼻用ノズル装着による鼻腔抵抗への影響
内藤 健晴岩田 重信加藤 隆一
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キーワード: 鼻腔通気度, 鼻腔抵抗
ジャーナル フリー

1990 年 93 巻 3 号 p. 393-397

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In an attempt to detect the influence of various kinds of face masks and a nasal nozzle on nasal airflow, we made measurements of nasal resistance by a head-out body plethysmograph with or without the masks on the face or the nozzle to the nostril of the normal adult subjects.
The mean values of nasal resistance with the masks differed from the mean values without the masks significantly. No significant difference between values with and without the nozzle was found.
The coefficient variations of 40 consective measurements of nasal resistance with the masks or the nozzle had wider ranges than those without the apparatuses. But the variation due to the nozzle was the minimum in the apparatuses.

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