成人传导性和轻中度感音神经性听力损失的听觉稳态反应阈值。

IF 0.4 4区 医学
Iranian Red Crescent Medical Journal Pub Date : 2014-12-24 eCollection Date: 2015-01-01 DOI:10.5812/ircmj.18029
Reza Hosseinabadi, Sadegh Jafarzadeh
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引用次数: 13

摘要

背景:听觉稳态反应(ASSR)提供了一种频率特异性和听力敏感性的自动评估,用于婴儿和难以测试的成年人。目的:本研究的目的是比较不同类型(正常、传导性和感音神经性)、不同程度(正常、轻度和中度)和不同形态(平坦和倾斜)听敏的ASSR阈值,并测量不同频率下正常状态和听力损失之间的截断点。患者和方法:本临床试验在伊朗进行,包括耳鼻喉科转诊的患者。我们随机选择54名成年人(感音神经性听力损失27人,传导性听力损失17人,听力正常10人)参加我们的研究。通过耳镜、鼓室测量、声反射、纯音测听等检测确定听力损失的类型和程度。然后在500、1000、2000和4000 Hz的载波频率下测试ASSR。结果:ASSR准确地估计了行为阈值以及平坦和倾斜配置。听力损失类型与行为阈值和ASSR阈值差异无相关性(P = 0.69)。ASSR和行为阈值之间的差异随着听力损失严重程度的增加而减小。在500hz、1000hz、2000hz和4000hz时,40db、35db、30db和35db可被视为正常听力和听力损失之间的临界值。结论:除500hz外,ASSR可以准确预测听力损失的程度和形态,区分正常听力与轻度或中度听力损失、轻度和中度听力损失。空气传导ASSR不能确定听力损失的类型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Auditory steady-state response thresholds in adults with conductive and mild to moderate sensorineural hearing loss.
Background: The Auditory steady state response (ASSR) provides a frequency-specific and automatic assessment of hearing sensitivity and is used in infants and difficult-to-test adults. Objectives: The aim of this study was to compare the ASSR thresholds among various types (normal, conductive, and sensorineural), degree (normal, mild, and moderate), and configuration (flat and sloping) of hearing sensitivity, and measuring the cutoff point between normal condition and hearing loss for different frequencies. Patients and Methods: This clinical trial was performed in Iran and included patients who were referred from Ear, Nose, and Throat Department. A total of 54 adults (27 with sensorineural hearing loss, 17 with conductive hearing losses, and 10 with normal hearing) were randomly chosen to participate in our study. The type and degree of hearing loss were determined through testing by otoscopy, tympanometry, acoustic reflex, and pure tone audiometry. Then the ASSR was tested at carrier frequencies of 500, 1000, 2000, and 4000 Hz. Results: The ASSR accurately estimates the behavioral thresholds as well as flat and sloping configurations. There was no correlation between types of hearing loss and difference of behavioral and ASSR thresholds (P = 0.69). The difference between ASSR and behavioral thresholds decreased as severity of hearing loss increased. The 40, 35, 30, and 35 dB could be considered as cutoffs between normal hearing and hearing loss for 500, 1000, 2000, and 4000 Hz, respectively. Conclusions: The ASSR can accurately predict the degree and configuration of hearing loss and discriminate the normal hearing from mild or moderate hearing loss and mild from moderate hearing loss, except for 500 Hz. The Air-conducted ASSR could not define the type of hearing loss.
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来源期刊
Iranian Red Crescent Medical Journal
Iranian Red Crescent Medical Journal 医学-医学:内科
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期刊介绍: The IRANIAN RED CRESCENT MEDICAL JOURNAL is an international, English language, peer-reviewed journal dealing with general Medicine and Surgery, Disaster Medicine and Health Policy. It is an official Journal of the Iranian Hospital Dubai and is published monthly. The Iranian Red Crescent Medical Journal aims at publishing the high quality materials, both clinical and scientific, on all aspects of Medicine and Surgery
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