The effects of heated humidification to nasopharynx on nasal resistance and breathing pattern
The effects of heated humidification to nasopharynx on nasal resistance and breathing pattern
复制标题
DOI：
10.1371/journal.pone.0210957
复制
发表时间：
2019-02
期刊：
影响因子：
3.7
通讯作者：
Y. Fujita;M. Yamauchi;Hiroki Uyama;H. Oda;M. Igaki;M. Yoshikawa;H. Kimura
中科院分区：
文献类型：
--
作者：
Y. Fujita;M. Yamauchi;Hiroki Uyama;H. Oda;M. Igaki;M. Yoshikawa;H. Kimura
口腔呼吸不仅会导致喉咙干燥，最终导致上呼吸道感染，还会导致打鼾和阻塞性睡眠呼吸暂停，而鼻腔呼吸可以预防这些问题。因此，人们可能想要探索一种方法来改变习惯性的口呼吸而不是鼻腔呼吸。本研究的目的是探讨我们新开发的面罩对促进鼻腔呼吸的生理作用。方法37名健康男性志愿者参加双盲、随机、安慰剂对照交叉试验。参与者佩戴新开发的加热加湿口罩或非加热加湿口罩（安慰剂）各10分钟。在佩戴口罩前后分别询问主观感觉，包括鼻子干、喉咙干、鼻塞、呼吸顺畅、放松、平静和感觉良好。此外，还评估了口罩对鼻阻力、呼吸模式和心率变异性的影响。结果与安慰剂口罩相比，加热加湿口罩除呼吸顺畅外，主观感受各成分均有改善；此外，鼻阻力和呼吸频率的降低同时伴随着潮气量的替代制造商的增加。结论鼻咽部加温加湿可调节呼吸方式，改善主观体验和客观鼻阻力。
Background Mouth breathing could induce not only dry throat and eventually upper respiratory tract infection, but also snoring and obstructive sleep apnea, while nasal breathing is protective against those problems. Thus, one may want to explore an approach to modify habitual mouth breathing as preferable to nasal breathing. The aim of this study was to investigate the physiological effects of our newly developed mask on facilitation of nasal breathing. Methods Thirty seven healthy male volunteers were enrolled in a double blind, randomized, placebo-controlled crossover trial. Participants wore a newly developed heated humidification mask or non-heated-humidification mask (placebo) for 10-min each. Subjective feelings including dry nose, dry throat, nasal obstruction, ease to breathe, relaxation, calmness, and good feeling were asked before and after wearing each mask. In addition, the effects of masks on nasal resistance, breathing pattern, and heart rate variability were assessed. Results Compared with the placebo mask, the heated humidification mask improved all components of subjective feelings except for ease to breathe; moreover, decreased nasal resistance and respiratory frequency accompanied a simultaneous increase in a surrogate maker for tidal volume. However, use of the heated humidification mask did not affect heart rate variability Conclusion Adding heated humidification to the nasopharynx could modulate breathing patterns with improvement of subjective experience and objective nasal resistance.