Ambient cold air decreased nasal mucosa blood flow measured by laser Doppler flowmeter

被引：2

作者：

Chu, Yueng-Hsiang ^{[1
]}

Lu, Da-Wen ^{[2
]}

Wang, Hsing-Won ^{[1
]}

机构：

[1] Tri Serv Gen Hosp, Dept Otolaryngol Head & Neck Surg, Natl Def Med Ctr, Taipei 114, Taiwan

[2] Tri Serv Gen Hosp, Dept Ophthalmol, Natl Def Med Ctr, Taipei 114, Taiwan

来源：

RHINOLOGY | 2010年 / 48卷 / 02期

关键词：

blood flow; nasal mucosa; inferior turbinate; low temperature; human; TEMPERATURE; NOSE;

D O I：

10.4193/Rhin09.122

中图分类号：

R76 [耳鼻咽喉科学];

学科分类号：

100213 ;

摘要：

Background: With its potentially conflicting physiological roles of both air-conditioning and body-heat recovery, the response of nasal mucosa blood flow (NMBF) to ambient cold air is not well understood. Objective: To evaluate the NMBF in response to cold ambient air. Methods: The NMBF was continuously measured by laser Doppler flowmetry in nine participants exposed to different air temperatures (24 degrees C and 4 degrees C). Results: The NMBF significantly decreased at 4 degrees C compared with that at 24 degrees C (p < 0.01). Conclusion: The response to ambient cold air in the nasal microcirculation is similar to that of the body-surface blood vessels, suggesting that body-heat recovery rather than air-conditioning is the predominant function.

引用

页码：160 / 162

页数：3

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