Evaluation of Middle Ear Function by Tympanometry and the Influence of Lower Barometric Pressure at High Altitude

Jiang Tao; Zhao Liping; Yin Yanbo; Yu Huiqian; Li Qingzhong

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Evaluation of Middle Ear Function by Tympanometry and the Influence of Lower Barometric Pressure at High Altitude

机译：通过鼓室测量法评价中耳功能及较低气压下高空压力的影响

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Jiang, Tao, Liping Zhao, Yanbo Yin, Huiqian Yu, and Qingzhong Li. Evaluation of middle ear function by tympanometry and the influence of lower barometric pressure at high altitude. High Alt Med Biol 00:000-000, 2020.Objective: To evaluate middle ear function in residents of high-altitude areas in comparison to sea-level participants.Design: Prospective observational study.Setting: All experiments were performed by experienced audiologists with a calibrated tympanometry machine.Participants: Young adults between the age of 17 and 23 were recruited. Seventy-five participants from Shanghai (altitude 4 m) and 133 participants from the Shigatse area (altitude 4,040 m) were recruited. Any participant with any otological disorder was excluded.Main Outcome Measure: Four indexes of the tympanogram were evaluated in the two groups from different altitudes.Results: Our results showed that the peak of static compliance for the participants in Shigatse was smaller, but the absolute compliance of tympanic membrane remained the same. Similarly, the ear canal volume (ECV) from tympanometry was also affected by the elevated altitude in Tibet. In addition, the tympanometric peak pressure was decreased in high-altitude residents, which suggests a slightly declined function of the Eustachian tube at lower barometric pressure. However, no difference was found in the tympanometric width (TW).Conclusion: Our results indicate that tympanograms were affected by decreased atmospheric pressure at high altitude. Therefore, other than pressure-related indexes, TW is better for evaluating the function of the middle ear in high-altitude regions.

机译：江，涛，豪，赵，延博阴，惠谦玉，和清中李。通过鼓室测量法评价中耳功能及较低气压在高海拔压力的影响。高Alt Med Biol 00：000-000,2020.目的：与海平面参与者相比，评估高海拔地区居民中的中耳功能。诊断：潜在观察研究。诱捕：所有实验都是由有经验的听力学家进行校准的鼓风机械机械。Participants：17岁至23岁之间的年轻人被招募。招募了来自上海（海拔4米）的七十五名参与者和来自Shigatse地区的133名参与者（海拔4,040米）。不包括任何与任何耳出症障碍的参与者.Main成果措施：在不同高度的两组中评估了对鼓室的四个指标。结果：我们的结果表明，Shigatse参与者的静态合规性的峰值较小，但绝对是绝对的鼓膜的依从性保持不变。类似地，来自鼓膜测量法的耳道体积（ECV）也受到西藏海拔高度的影响。此外，在高空居民中的鼓膜镜峰值压力下降，这表明在较低的气压下咽鼓管略微下降。然而，在鼓室宽度（Tw）中没有发现差异。结论：我们的结果表明，在高海拔地区的大气压下降的影响受到影响。因此，除了与压力相关的指标之外，TW更好地评估中耳在高空区域中的功能。

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《High Altitude Medicine & Biology》 |2021年第1期|70-76|共7页
作者
Jiang Tao; Zhao Liping; Yin Yanbo; Yu Huiqian; Li Qingzhong;
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作者单位

Fudan Univ ENT Inst 83 Fenyang Rd Shanghai 200031 Peoples R China|Fudan Univ Otorhinolaryngol Dept Eye & ENT Hosp State Key Lab Med Neurobiol Shanghai Peoples R China|Fudan Univ MOE Frontiers Ctr Brain Sci 83 Fenyang Rd Shanghai 200031 Peoples R China|Fudan Univ NHC Key Lab Hearing Med Shanghai Peoples R China;

Fudan Univ ENT Inst 83 Fenyang Rd Shanghai 200031 Peoples R China|Fudan Univ Otorhinolaryngol Dept Eye & ENT Hosp State Key Lab Med Neurobiol Shanghai Peoples R China|Fudan Univ MOE Frontiers Ctr Brain Sci 83 Fenyang Rd Shanghai 200031 Peoples R China|Fudan Univ NHC Key Lab Hearing Med Shanghai Peoples R China;

Fudan Univ ENT Inst 83 Fenyang Rd Shanghai 200031 Peoples R China|Fudan Univ Otorhinolaryngol Dept Eye & ENT Hosp State Key Lab Med Neurobiol Shanghai Peoples R China|Fudan Univ MOE Frontiers Ctr Brain Sci 83 Fenyang Rd Shanghai 200031 Peoples R China|Fudan Univ NHC Key Lab Hearing Med Shanghai Peoples R China;

Fudan Univ ENT Inst 83 Fenyang Rd Shanghai 200031 Peoples R China|Fudan Univ Otorhinolaryngol Dept Eye & ENT Hosp State Key Lab Med Neurobiol Shanghai Peoples R China|Fudan Univ MOE Frontiers Ctr Brain Sci 83 Fenyang Rd Shanghai 200031 Peoples R China|Fudan Univ NHC Key Lab Hearing Med Shanghai Peoples R China;

Fudan Univ ENT Inst 83 Fenyang Rd Shanghai 200031 Peoples R China|Fudan Univ Otorhinolaryngol Dept Eye & ENT Hosp State Key Lab Med Neurobiol Shanghai Peoples R China|Fudan Univ MOE Frontiers Ctr Brain Sci 83 Fenyang Rd Shanghai 200031 Peoples R China|Fudan Univ NHC Key Lab Hearing Med Shanghai Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类
关键词
high altitude; middle ear; tympanometry;

机译：高海拔;中耳;鼓室;

Evaluation of Middle Ear Function by Tympanometry and the Influence of Lower Barometric Pressure at High Altitude

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