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目的 探讨利用高压氧舱进行咽鼓管通气功能检查的方法。方法 受试者在医生陪同下进行高压氧舱加压,升压速度75 mmHg/min,至300 mmHg时停留,医生用电耳镜检查受试者鼓膜,询问主观感觉。按常规的标准判断,Ⅱ、Ⅲ度者经矫治无效时飞行不合格。结果 此方法与低压舱检查的原理及结果相同。结论 利用高压氧舱可以检查咽鼓管通气功能。
Objective To explore the method of hyperbaric oxygen chamber ventilation function examination. Methods Subjects were accompanied by a hyperbaric oxygen chamber at a pressure of 75 mmHg / min. At 300 mmHg, the surgeon checked the eardrum with a otoscope and asked about the subjective feeling. According to the conventional criteria to judge, Ⅱ, Ⅲ degree invalid after correction of flight failed. Results This method is the same as the low-pressure cabin inspection principle and results. Conclusion Hyperbaric oxygen chamber can check the eustachian tube ventilation function.