摘要
为探讨耳鸣的产生原因和客观检测手段以及耳鸣与耳声发射（ＯＡＥ）的关系，报道耳鸣患者２７３例（３０６耳）畸变产物耳声发射（ＤＰＯＡＥ）、自发性耳声发射（ＳＯＡＥ）和瞬态诱发性耳声发射（ＴＥＯＡＥ）的特点。结果提示：①耳鸣频率与ＳＯＡＥ频率不一致；②９４．８％感音神经性聋伴耳鸣患者ＤＰＯＡＥ图在相应频率有振幅下降或缺失，５９％听力正常耳鸣耳出现某些频率ＤＰＯＡＥ振幅下降和反应缺失，且不能记录到ＳＯＡＥ，而在ＳＯＡＥ频率附近ＤＰＯＡＥ有良好反应高峰。耳声发射可望用于发现早期耳蜗病变。
Methodsofobjectivetinnitustestingexplorationcausesoftinnitusandtherelation-shipbetweenOAEandtinnitusarereported.In306earswithtinnitus(withorwithouthearingloss),DistortionProductsOtoacousticEmission(DPOAE),SpontaneousOAE(SOAE)andTran-sientlyEvokedOAE(TEOAE)weretestedbyILO92OtodynamicsAnalyzer.Resultsindicatedthat①InthesecasestherewasnocorrelationbetweenthefrequencyoftinnitusandSOAE.②In94.8%ofsensorineuralhearinglosswithtinnitustheDPOAE-grampresentedloweramplitudeorwasabsentwithinthefrequencyrangeofelevatedpure-tone-thresthold;In59%ofcaseswithnormalhearingandtinnitustheamplitudeofDPOAEatnearbyfrequenciesoftinnituswasdecreasedandtherewasnoSOAEdetectable.Atfrequenciesotherthanthatoftinnitus,theamplitudeofDPOAEwasnor-malandSOAEcouldberecorded.SoOAEcouldreflectcochlearlesioninearlystage.
出处
《中华耳鼻咽喉科杂志》
CSCD
1996年第4期231-233,共3页
Chinese Journal of Otorhinolaryngology
关键词
耳鸣
听觉丧失
感音神经性
耳声发射
TinnitusHearingloss,sensorineuralOtoacousticemissions,spontaneous
