多频稳态诱发电位与纯音听阈的相关性研究(32例正常中老年人ASSR与电测听测试结果分析)

目的探讨正常中老年人ASSR与纯音听阈的相关性。方法给32例正常中老年人分别行0．5kHz、1kHz，2kHz，4kHzASSR与电测听测试，比较ASSR测试值与纯音听阈的一致性（t检验）与相关性（相关系数的t检验）。结果不同频率ASSR测试值均数与纯音听阈均数差值为3．00～10．38dBHL：除左耳0．5kHz，1kHz及右耳0．5kHzASSR测试值与相应频率纯音听阈（dBHL）有显著性差异以外（t检验，P〈0．05），其它频率ASSR测试值与纯音听阈均无显著性差异（t检验，P〉0．05）；除左耳0．5kHz、1kHz及右耳0．5kHzASSR测试值与纯音听闻无显著性相关以外（P〉0．05），其它频率的ASSR测试值与纯音听阈均有极显著性相关（相关系数的t检验，P〈0．01），且随着测试频率的递增两者的相关关系随之增加。结论中，高频率ASSR测试值与纯音听阈有良好的一致性及极显著性相关，临床应用ASSR诊断中老年人的耳聋疾病是可行的。     

多频稳态诱发电位与纯音听阈的相关性研究(32例正常中老年人ASSR与电测听测试结果分析)

目的:探讨正常中老年人ASSR与纯音听阈的相关性。方法:给32例正常中老年人分别行0.5kHz,1kHz,2kHz,4kHz ASSR与电测听测试,比较ASSR测试值与纯音听阈的一致性(t检验)与相关性(相关系数的t检验)。结果:不同频率ASSR测试值均数与纯音听阈均数差值为3.00～l0.38dB HL;除左耳0.5kHz     

多频听觉稳态反应评估听力正常青年人骨导听阈的研究

目的 探讨多频听性稳态反应（MASSR）评估听力正常青年人骨导纯音听阈的可能性,旨在观察听力正常青年人骨导多频听觉稳态反应（ASSR）测试的正常值特点,进一步探讨骨导ASSR的反应阈与骨导纯音听阈的相关性,为临床上对不能配合做纯音测听的患者行听力评估时提供客观参考。方法 对20例（男10例、女10例）听力正常青年人进行骨导ASSR 及骨导纯音听阈检查,记录0.5、1.0、2.0、4.0kHz反应阈及行为听阈,比较二者间的相关性。结果 骨导ASSR 反应阈男组、女组间差异无统计学意义;各频率间骨导ASSR 反应阈比较,4.0kHz较其它各频率差异有统计学意义（P＜0.001）,0.5、1.0、2.0kHz三个频率间差异无统计学意义（P＞0.05）。骨导ASSR 反应阈与骨导纯音听阈在0.5、1.0、2.0、4.0kHz四个频率处相关系数分别为0.95、0.91、0.26、0.29。结论 骨导ASSR反应阈与骨导纯音听阈间只有在0.5、1.0kHz时有较好的相关性,高频的骨导ASSR与骨导纯音听阈差异性比较大,因此目前还不能广泛用于临床评估高频骨导纯音听阈。     

听性稳态反应对噪声性聋客观评估的价值

目的 研究噪声性聋患者的听性稳态反应(ASSR)阈与纯音听阈的关系,为客观评估噪声性聋及伪聋提供依据.方法 对40例(80耳)噪声性聋患者及20例(40耳)正常人分别进行ASSR与纯音听阈测试,分别比较0.25、0.5、1、2、3、4、6 kHz各频率ASSR反应阈与纯音听阈的差值及相关性.结果 正常组在0.25、0.5 kHz的ASSR反应阈与纯音听阈相比差异无统计学意义(P＞0.05),在1、2、3、4、6 kHz的ASSR反应阈高于纯音听阈,二者相比差异有统计学意义(P＜0.05).噪声性聋组除2 kHz外其余各频率ASSR的反应阈与纯音听阈相比差异无统计学意义(P＞0.05),其ASSR反应阈与纯音听阈在0.25、0.5、1、2、3、4、6 kHz处的相关系数分别为0.55、0.62、0.55、0.49、0.54、0.73、0.73.结论 噪声性聋患者ASSR反应阈与纯音听阈显著相关,且随着听力损失的加重,ASSR反应阈越接近纯音听阈;ASSR可作为噪声性聋及伪聋患者的客观听力评估方法之一.     

60例军校男女学员ASSR测试研究

目的旨在观察正常年轻人多频稳态诱发电位（ASSR）测试的正常值特点。方法对60例第一军医大学学员行ASSR、ABR和电测听测试，比较男．女及左、右耳测试值的差异。结果ASSR0．5kHz、1kHz、2kHz、4kHz测试值均数与纯音听闻均数各频率的差值分别为13．86dBHL、14．63dBHL、13．06dBHL．15．28dBHL；ASSR0．5kHz、1kHz、2kHz、4KHz测试值均数与ABRV波反应阈的差值分别为6．14dBHL、5．37dBHL、6．94dBHL、4．72dBHL；男、女学员ASSR测试值比较无显著性差异（P〉0．05）。结论ASSR正常值不受性别．耳别的影响；用ASSR测试值来推断预估纯音听阈．ABRV波反应阈要综合考虑各频率的差值。     

成人感音神经性聋听觉稳态诱发反应阈值与纯音听阈值比较

目的：测定成人感音神经性聋患者听觉稳态诱发反应（ASSR）和纯音听阈值，为临床诊断提供客观依据。方法：选成人感音神经性聋患者33例（65耳），行ASSR阈值纯音听测试。结果：ASSR、纯音听阈值对比有统计学意义，听阈有显著相关性，0．5、1．0、2．0、4．0kHz频区间相关系数分别为：0．769、0．772、0．743、0．756。ASSR阈值较行为阈值高，ASSR阈值与纯音听阈间差值多在3．0～10．0dB HL之间。在0．5、1．0、2．0、4．0kHz频区间分剐为：4．77、8．83、6．49、3．67dB HL，随频率增高，两者的差异有缩小趋势。结论：成人感音神经性聋患者ASSR阈值与纯音听阈间对比有统计学意义，通过测试ASSR阈值可推断出被检查者纯音听阈的阈值。     

听性稳态反应和短声诱发的听性脑干反应在客观听阈评估中的作用

目的探讨听性稳态反应(auditory steady-state responses,ASSR)和短声诱发听性脑干反应(ABR)在感音神经性聋人群客观听阈评估中的作用及其在耳聋鉴定中的价值。方法对感音神经性聋组(35耳)及正常组(22耳)分别进行纯音听阈、ABR及ASSR测试,并记录0.5、1、2及4kHz ASSR反应阈(dBHL)、纯音听阈(dBHL)及ABR反应阈(dBnHL)。结果正常组在0.5、1、2、4kHz的ASSR反应阈与纯音听阈相比差异无统计学意义(P>0.05),ABR反应阈与各频率纯音听阈差异有显著统计学意义(P<0.05);耳聋组各频率ASSR反应阈与纯音听阈差异无统计学意义(P>0.05),ABR反应阈与0.5kHz纯音听阈差异有统计学意义(P<0.05),与1、2、4kHz纯音听阈差异无统计学意义(P>0.05)。结论ASSR与ABR联合测试是临床工作中用于客观听阈评估的有效方法。     

成人感音神经性聋的听觉稳态反应反应阈与纯音听阈

目的探讨成人感音神经性聋的听觉稳态反应（auditory steady-state responses,ASSR）反应阈与纯音听阈的关系。方法选择中国医科大学附属一院耳鼻咽喉科门诊感音神经性聋的成人患者,分别进行纯音听力测试、ASSR检查,比较ASSR在0.5、1、2、4 kHz频率处的反应阈与纯音听阈的相关性及按听力损失程度比较两者的差值。结果 ASSR反应阈与纯音听阈在各频率处的相关系数分别为0.840、0.905、0.886、0.924;随着感音神经性听力损失的加重二者的差值明显缩小。随着频率的增加,两者的差值明显缩小。结论成人感音神经性聋ASSR反应阈与纯音听阈有显著相关性,随着听力损失的加重,ASSR反应阈愈接近纯音听阈,ASSR作为成人感音神经性聋听力定量诊断的客观方法有很大的临床应用价值。     

成人频率特异性chirp听性稳态反应与纯音听阈测试的相关性研究

目的采用chirp信号作为声刺激进行听性稳态反应(auditory steady-state response,ASSR)测试,观察chirp-ASSR反应阈值与纯音听阈的相关性,探讨chirp-ASSR客观听力检测在成人临床听力评估中的价值。方法研究对象包括正常成人组(年龄20～60岁,共计151耳)和感音神经性听力损失组(年龄22～82岁,共计83耳)。在500Hz、1000Hz、2000Hz和4000Hz处进行Chirp-ASSR和纯音听阈测试,并对结果进行统计学分析。结果 0.5～4kHz频率听力正常组Chirp-ASSR反应阈与纯音听阈的相关系数r分别为0.19、0.43、0.58、068;0.5-4.0kHz频率感音神经性听力障碍者的相关系数r分别为0.68、0.84、0.87、0.84;校正后0.5～4kHz各听力组预估听力阈值与纯音听阈的差值较校正前明显缩小。结论在0.5～4.0kHz频率,Chirp-ASSR反应阈与纯音听阈之间存在明显的相关性,在听力损失组中两者的相关性更加显著,而在500Hz处两者的相关性较其它频率低。Chirp-ASSR在客观听力评价中有较好的准确率。     

正常青年人多频稳态反应阈值的测试

目的 测定正常青年人多频稳态反应（ASSR）阈值，并探讨其与临床实际听阈的差异。方法 选正常青年人56例（112耳）行ASSR阈值测试。结果 在0．5-4．0kHz频率ASSR阈值为26-53d BHL，各频率阈值无明显差异；ASSR阈值与相应纯音听阈间的差值为12-39dB，各频率差值亦无明显差异。结论 正常青年人ASSR阈值与纯音听阈间有一定差值，欲通过测试ASSR阈值推测其听阈则需在ASSR阈值基础上减去此差值。     

多频稳态诱发电位评估中度感音神经性聋儿童的应用

目的探讨多频稳态听觉诱发电位评估儿童中度感音神经性聋的可靠性。方法所有患者经纯音测听（PTA）检查筛选出中度感音神经性聋30例5～6岁儿童（共40耳），然后口服10％水合氯醛镇静睡眠后，行多频稳态听觉诱发电位（ASSR）检测，其阈值与纯音听阂阈值进行比较，分析不同频率处听力阈值分布情况及其相关性。结果分别比较语言频率ASSR阂值与纯音听闽阈值，结果显示，0．5kHz处相关性较差，其差值为2-18dB，而在4kHz处相关性最好。结论可以应用多频稳态听觉诱发电位评估中度感音神经性聋儿童的听力阈值，但需要注意0．5kHz处的相关性差异。     

感音神经性聋儿童听性稳态反应与行为听阈相关性分析

目的：分析感音神经性聋儿童听性稳态反应（auditory steady－state response,ASSR）与行为听阈的相关性。方法63例（126耳）重度或极重度感音神经性听力损失儿童,年龄0．5～6岁,按年龄分为 A 组（0．5～1．0岁,21例）,B 组（1．1～3．0岁,21例）,C 组（3．1～6．0岁,21例）;分别进行 ASSR 及小儿行为听阈测试,A 组采用行为观察测听（BOA）,B 组采用视觉强化测听（VRA）,C 组采用游戏测听（PA）,采用 SPSS17．0统计软件分析二种检查结果的相关性。结果①ASSR 反应阈与行为听阈在0．5、1、2和4 kHz 处的相关系数分别为0．75、0．76、0．76、0．83,呈极显著相关（P ＜0．01）。②小儿行为听阈值通常比 ASSR 反应阈值低,随着频率的增高,两者间差距缩小。③A 组（相关系数0．70）各频率 ABR 反应阈与行为听阈相关性均较 B（相关系数0．78）、C（相关系数0．83）组低。结论0．5～6．0岁感音神经性聋儿童 ASSR 与行为听阈值均有良好的相关性,ASSR 可预测感音神经性聋儿言语频率的客观听阈,为低龄儿童及难以检测行为听力的患儿验配助听器提供参考。     

不同程度感音神经性听力损失儿童ASSR、click-ABR反应阈与行为听阈的相关性

目的 探讨不同程度感音神经性听力损失儿童听性稳态反应(ASSR)、短声听性脑干反应(click-ABR)与行为阈值的相关性及在听障儿童听力评估中的价值.方法 回顾性分析2019年1月至2019年12月确诊的46例(92耳)感音神经性听力损失儿童的ASSR、click-ABR及行为听阈结果,其中,轻度听力损失4耳,中度听...     

Comparison of pure tone audiometry and auditory steady-state responses in subjects with normal hearing and hearing loss

The objective of this study is to compare pure tone audiometry and auditory steady-state response (ASSR) thresholds in normal hearing (NH) subjects and subjects with hearing loss. This study involved 23 NH adults and 38 adults with hearing loss (HI). After detection of behavioral thresholds (BHT) with pure tone audiometry, each subject was tested for ASSR responses in the same day. Only one ear was tested for each subject. The mean pure tone average was 9 ± 4 dB for NH group and 57 ± 14 for HI group. There was a very strong correlation between BHT and ASSR measurements in HI group. However, the correlation was weaker in the NH group. The mean differences of pure tone average of four frequencies (0.5, 1, 2, and 4 kHz) and ASSR threshold average of same frequencies were 13 ± 6 dB in NH group and 7 ± 5 dB in HI group and the difference was significant (P = 0.01). It was found that 86% of threshold difference values were less than 20 dB in NH group and 92% of threshold difference values were less than 20 dB in HI group. In conclusion, ASSR thresholds can be used to predict the configuration of pure tone audiometry. Results are more accurate in HI group than NH group. Although ASSR can be used in cochlear implant decision-making process, findings do not permit the utilization of the test for medico-legal reasons.     

Auditory steady state response in pediatric audiology

The main issue regarding pediatric audiology diagnosis is determining procedures to configure reliable results which can be used to predict frequency-specific hearing thresholds.AimTo investigate the correlation between auditory steady-state response (ASSR) with other tests in children with sensorineural hearing loss.MethodsProspective cross-sectional contemporary cohort study. Twenty-three children (ages 1 to 7; mean, 3 years old) were submitted to ASSR, behavioral audiometry, click audiometry brain stem response (ABR), tone burst ABR, and predicting hearing level from the acoustic reflex.Resultsthe correlation between behavioral thresholds and ASSR was (0.70- 0.93), for the ABR tone burst it was (0.73 -0.93), for the ABR click it was (0.83-0.89) only at 2k and 4 kHz. The match between the ASSR and the hearing threshold prediction rule was considered moderate.Conclusionthere was a significant correlation between the ASSR and audiometry, as well as between ABR click (2k and 4 kHz) and for the ABR tone burst. The acoustic reflex can be used to add information to diagnosis in children.     

detection of early noise-induced hearing impairment in pilots

Objective To detect early signs of noise-induced hearing loss(NIHL) in military pilots without hearing complaints. Methods Pure tone audiometry and acoustic reflex thresholds were tested in 36 military pilots (72 ears) with noise exposure history but no complaints of hearing loss. Conventional test frequencies (0.25-8 kHz) and extended high frequencies (EHF, 10 and 12.5 kHz) were included in audiometry. White noise and pure tones at 0.5, 1, 2, and 4 kHz were used for acoustic reflex tests. Twenty normal hearing subjects(40 ears) with no exposure to occupational noise were used as controls. Results Pure tone thresholds at all conventional frequencies and at EHFs were elevated in the pilots, with the maximum shift at 4 kHz, compared with controls (p < 0.01 ). The pilots also showed elevated ART to white noise and decreased differentials between white noise and pure tone ARTs (p< 0.01 ). Conclusion Early signs of NIHL are present in some symptom-free military pilots. High frequency hearing threshold shift, elevated white noise ART and decreased differential between white noise and pure tone ARTs may be objective indicators of early NIHL.     

Auditory steady-state responses for children with severe to profound hearing loss

OBJECTIVE: To investigate the clinical usefulness of the dichotic single-frequency auditory steady-state response (ASSR) for estimation of behavioral thresholds in children with severe to profound congenital sensorineural hearing loss. DESIGN: A comparative experimental research design was selected to compare behavioral and ASSR thresholds for the sample. Behavioral pure-tone audiometry served as the criterion standard. SETTING: Hearing Clinic, Department of Communication Pathology, University of Pretoria, Pretoria, South Africa. PATIENTS: A referred sample of 10 patients (20 ears), 5 girls and 5 boys aged 10 to 15 years (mean age, 13 years 4 months), with severe to profound sensorineural hearing impairment. MAIN OUTCOME MEASURES: The difference, and correlation, between 160 pure-tone behavioral and ASSR thresholds at 0.5, 1, 2, and 4 kHz. RESULTS: Mean differences between ASSR and behavioral thresholds were 6 dB for 0.5 kHz and 4 dB for 1, 2, and 4 kHz, with standard deviations varying between 8 and 12 dB. No significant differences (P<.05) were observed between ASSR and behavioral thresholds, except at 0.5 kHz, and Pearson correlation coefficients varied between 0.58 and 0.74 across the evaluated frequencies, with best correlation at 1 kHz and worst at 0.5 kHz. CONCLUSIONS: The ASSR thresholds provided reliable estimations of behavioral thresholds for children with severe to profound hearing loss and indicated an increased sensitivity for more profound hearing loss.