感音神经性聋儿童听性稳态反应与行为听阈相关性分析

The Correlation between the Response Thresholds of ASSR and Pure Tone Thresholds in Young Deaf Children

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4kHz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。

Objective To investigate the correlation between auditory steady--state response （ASSR） and behavioral audiometry threshold in deaf children. Methods A total of 63 cases （126 ears） of severely and profoundly hearing impaired children from 0.5 years to 6 years were divided to Group A of 0.5- 1.0 years, Group B of 1.1 3.0 years and Group C of 3.1- 6.0 years old. ASSR and behavioral hearing tests were conducted in the sound field. 0.5 - 1.0 years old children were tested with the behavior observation Audiometry （BOA）, 1- 2 years old children with visual reinforcement audiometry （VRA）, while those of 3- 6 with play audiometry （PA）. Results For the ASSR response thresholds and pure tone hearing thresholds at 0.5, 1, 2 and 4 kHz, the correlation coefficients were 0. 75,0. 76,0. 76, and 0.83, respectively. There was a significant correlation （P〈0.01）. The hearing thresholds were generally lower than the ASSR response thresholds, and with increasing frequency, the gaps were narrowed between the two. For Group A at each frequency the response thresholds and behavioral audiometry correlations were lower than those of Group B and C with the lowest at 0.5 kHz. Conclusion For the children of 0.5-6 years, ASSR and behavioral audiometric thresholds have good correlations. ASSR can provide information about the behav- ior thresholds for young children and those high risk children and for fitting hearing aids.