EXTENDED HIGH-FREQUENCY THRESHOLDS IN NOISE-INDUCED HEARING-LOSS

被引：22

作者：

HALLMO, P ^{[1
]}

BORCHGREVINK, HM ^{[1
]}

MAIR, IWS ^{[1
]}

机构：

[1] FSAN ENVIRONM MED,HQ DEF COM NORWAY,OSLO,NORWAY

来源：

SCANDINAVIAN AUDIOLOGY | 1995年 / 24卷 / 01期

关键词：

AGE EFFECT; AIR-CONDUCTION THRESHOLDS; CONVENTIONAL AUDIOMETRY; EXTENDED HIGH-FREQUENCY AUDIOMETRY; NOISE-INDUCED HEARING LOSS;

D O I：

10.3109/01050399509042209

中图分类号：

R76 [耳鼻咽喉科学];

学科分类号：

100213 ;

摘要：

Air-conduction and bone-conduction thresholds were measured in the conventional audiometric frequency ranges, and air-conduction alone in the extended high-frequency range of 9-18 kHz in 167 males with a history of occupational noise exposure. The subjects were grouped according to age. Hearing loss in the conventional frequency range was classified in different grades. Threshold elevation in the extended high-frequency range was present in all age groups and grades of conventional frequency hearing loss. An age effect in the extended high-frequency range was present only in the lowest grades of conventional frequency noise-induced hearing loss.

引用

页码：47 / 52

页数：6

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