백색소음하 청성뇌간반응의 정상 결과의 분포
Establishment of Normative Data for Auditory Brainstem Responses in White Noise Condition
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Background and Objectives Recently, researchers have been interested in auditory brainstemresponse (ABR) under noisy condition for better diagnosis of the hidden hearing loss. However,there is no normative data conducted from a simple noise condition for the clinical settingyet. The purpose of the present study was to compare the data of ABR under quiet conditionwith those under noisy conditions and to confirm the feasibility of these data in the clinic. Subjects and Method A total of 104 young listeners with normal hearing (53 female and 51male) participated. After completing the hearing screening tests, they were given the ABRmeasure with 75 dB nHL click stimulus under quiet condition, and with a level of 85 dB nHLwhite noise via a speaker. Absolute latencies and amplitudes of the waves were statisticallycompared against test condition and gender. Results There was a significant difference of the latency and amplitude between the quietand noisy conditions. Under the noise, the absolute latencies of the waves I-V were delayed,and their amplitudes were smaller compared to the quiet condition. Such patterns were revealedin both female and male subjects. However, the females had shorter latencies and largeramplitudes than the male participants regardless of noise. Conclusion We confirmed stable ABR data using simple white noise setting. In the followingstudy, patients with various pathologies should be applied for the ABR under noisy conditionand have their data standardized according to sensitivity and specificity.
Abstract
Background and Objectives Recently, researchers have been interested in auditory brainstemresponse (ABR) under noisy condition for better diagnosis of the hidden hearing loss. However,there is no normative data conducted from a simple noise condition for the clinical settingyet. The purpose of the present study was to compare the data of ABR under quiet conditionwith those under noisy conditions and to confirm the feasibility of these data in the clinic. Subjects and Method A total of 104 young listeners with normal hearing (53 female and 51male) participated. After completing the hearing screening tests, they were given the ABRmeasure with 75 dB nHL click stimulus under quiet condition, and with a level of 85 dB nHLwhite noise via a speaker. Absolute latencies and amplitudes of the waves were statisticallycompared against test condition and gender. Results There was a significant difference of the latency and amplitude between the quietand noisy conditions. Under the noise, the absolute latencies of the waves I-V were delayed,and their amplitudes were smaller compared to the quiet condition. Such patterns were revealedin both female and male subjects. However, the females had shorter latencies and largeramplitudes than the male participants regardless of noise. Conclusion We confirmed stable ABR data using simple white noise setting. In the followingstudy, patients with various pathologies should be applied for the ABR under noisy conditionand have their data standardized according to sensitivity and specificity.
참고문헌 (15)
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