To explore the normal reference range of Click-ABR latency and interwave period in 0-6 years old children, and to analyze the clinical characteristics of Click-ABR in children with sound transmission function is abnormal. A total of 1791（3582 ears） normal hearing children aged 0-6 years and 176（258 ears） conductive hearing loss children were selected for Click-ABR. The differences of Click-ABR parameters in children of different months were analyzed, and the correlation between the degree of conductive hearing loss and Click-ABR parameters was explored. The incubation period of wave Ⅰ was not correlated with the age of month, while the incubation period of wave Ⅲ, wave Ⅴ, waveⅠ-Ⅲ and wave Ⅰ-Ⅴ were highly correlated with the age of month. There was a positive correlation between the latency of wave Ⅰ and hearing threshold in the children with sound transmission function is abnormal under 80 dB nHL stimulation, and there was no difference between the standard values of wave Ⅰ-Ⅲ and Ⅰ-Ⅴ in the children with sound transmission function is abnormal and normal children. The latency of ABR wave Ⅲ and Ⅴ, and the interval between wave Ⅰ-Ⅲ and Ⅰ-Ⅴ shorten with the increase of age in children aged 0-6 years. The normal ABR values of children of different ages should be established in each hearing clinic for children as a reference. Combined with Click-ABR threshold and 80 dB nHL acoustic subwave Ⅰlatency, the abnormal conduction function can be preliminatively screened out, which should be further supplemented with other combinations of hearing diagnosis.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10320673 | PMC |
| http://dx.doi.org/10.13201/j.issn.2096-7993.2023.03.014 | DOI Listing |
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