|本期目录/Table of Contents|

[1]郑章清,邓 晗,吴家林,等.封闭供氧面罩排气口可逆转鼓室负压[J].医学研究与战创伤救治(原医学研究生学报),2011,13(02):126-127.
　ZHENG Zhang-qing,DENG Han,WU Jia-lin,et al.Negative pressure in middle ear was reversed by exhaust oxygen from mask oxygen mask exhaust could be closed to open the eustachian tube to prevent ear barotraumas[J].JOURNAL OF MEDICALRESEARCH —COMBAT TRAUMA CARE,2011,13(02):126-127.
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封闭供氧面罩排气口可逆转鼓室负压()
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《医学研究与战创伤救治》（原医学研究生学报）[ISSN:1672-271X/CN:32-1713/R]

卷:
第13卷
期数:
2011年02期
页码:
126-127
栏目:
出版日期:
2011-03-20

文章信息/Info

Title:
Negative pressure in middle ear was reversed by exhaust oxygen from mask oxygen mask exhaust could be closed to open the eustachian tube to prevent ear barotraumas
文章编号:
1672-271X(2011)02-0126-02
作者:
郑章清1; 邓 晗1; 吴家林1; 邵玉良2; 郑贤新3
1.332000 江西九江，南京军区庐山疗养院；2.061000 河北沧州，解放军95809部队；3.332102 江西九江，解放军94940部队
Author(s):
ZHENG Zhang-qing1; DENG Han1; WU Jia-lin1; SHAO Yu-liang2; ZHENG Xian-xin3
1.Lushan Sanatorium of Nanjing Military Command, Jiujiang, Jiangxi 332000, China；2.95809 Army of PLA，Cangzhou，Hebei 061000, China；3. 94940 Army of PLA，Jiujiang, Jiangxi 332102,China
关键词:
咽鼓管; 鼓室腔; 负压; 面罩; 耳气压伤
Keywords:
tympanic cavity;  middle ear;  negative pressure;  mask;  ear barotraumas
分类号:
R764.29
DOI:
-
文献标志码:
A
摘要:
目的 研究佩戴供氧面罩人员逆转鼓室负压的方法。方法 试验对象为8名健康男性，先用自行研制的咽鼓管通气阻力检测仪测量咽鼓管通气阻力，均<6 kPa。被试者取座位，测初始鼓室压；再嘱被试者自行封闭供氧面罩排气口，向面罩内呼气以提高面罩内压力，直至咽鼓管开放，用声阻抗仪测鼓室压。结果 初始鼓室压为(-0.083±0.054 )kPa，咽鼓管开放后的鼓室压(3.74±1.96)kPa(P< 0.01)，差异有统计学意义。结论 封闭面罩排气口，用呼气提高面罩压，可以开放咽鼓管，从而提高鼓室压力预防耳气压伤的发生。
Abstract:
Objective To study the negative pressure in middle ear was reversed by exhaust oxygen from mask. Methods The eustachian tube resistance<6 kPa were measured in 8 healthy male with a self-made ventilating function detection apparatus. The initial middle ear pressure was measured on subjects when they took their seats. Subjects enclosed the oxygen mask and exhaust to the mask to increase the pressure in mask. This was not stopped until reach the pressure for eustachian tube opening. The pressure in tympanic was measured. Results The initial middle ear pressure was (-0.083±0.054)kPa. When the eustachian tube was opened, the middle ear pressure was averaged (3.74±1.96)kPa (P<0.01). There was a significant differences. Conclusion Ear barotraumas could be prevented by increasing the mask pressure when opening the eustachian tube in closing oxygen mask.

参考文献/References:

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更新日期/Last Update: 2011-03-20