OAE

Objective To investigate the auditory conditions in mariners and probe the relationship between the pure tone audiogram and DPOAE audiogram.

目的了解舰艇艇员的听力状况并探讨纯音听力图与DPOAE听力图的关系。

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According to this, we can use OAE glycerol test to offer an objective basis for an early diagnosis to the patients of the probable Meniere's disease;

并可依此检查为临床中无听力下降的可疑梅尼埃病者的早期诊断，提供一定的客观依据；

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The relationship of the pure tone audiogram and DPOAE audiogram were tested. Results The detected DPOAE rate and DPOAE amplitudes in normal hearing group were significantly higher than that in other three groups ( P < 0.05).

结果纯音听阈正常组的DPOAE检出率及DPOAE振幅明显高于低频听力下降组、高频听力下降组及全频听力下降组（P＜0.01或0.05）；

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The hearing status in each frequency had good relation between the pure tone audiogram and DPOAE audiogram.

DPOAE听力图与纯音听力图个各在频率均有很好的对应关系。

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Results The 2f 1 f 2 DPOAE amplitudes in all pilots, including pilots with normal audiometric hearing and with hearing loss, were significantly lower than those of control group.

结果飞行员组DPOAE幅值与健康青年组相比明显降低，特别是飞行员纯音听阈正常组DPOAE幅值较健康青年组也明显降低。

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The discovery of otoacoustic emissions ( OAE) is one of the most important progress in hearing physiology and audiology.

耳声发射现象的发现是听觉生理学和听力学近20年最重要的进展之一。

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TEOAE energy distribution takes the average energy of the normal hearing persons as 0 dB, and 5% percentage at single side as the 95% normal value range. TEOAE energy distribution represents the energy loss and is convenient for the comparison to the pure tone audiogram.

TEOAE能量分布图以正常人的平均能量作为0dB，以单侧5%位数作为95%正常值范围，它体现了能量的损失情况，便于与纯音测听的结果相比较。

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Aim: To observe the changes of distortion product otoacoustic emissions ( DPOAE) in 40 submariners with normal pure tone audiogram.

目的：了解潜艇员听功能状态与畸变产物耳声发射（DPOAE）的关系。

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It is evidenced that DPOAE test is more sensitive than pure tone audiometer test and the amount of it is reduplicated and steady.

音测听对听力下降的反应更加敏感，大量研究事实表明，DPOAE测试比纯而且其幅值在自身具有良好的可重复性及稳定性。

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Results There is a negative correlativity between DPOAE and pure toneaudiometry.

结果DPOAE测值与纯音听阈值之间有负相关关系.

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