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首页> 外文期刊>International Journal of Brain and Cognitive Sciences >Study of Audiological Features, Problabe Etiology and Neurological Aspects of Children with Auditory Neuropathy/Hearing Dyssinchrony
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Study of Audiological Features, Problabe Etiology and Neurological Aspects of Children with Auditory Neuropathy/Hearing Dyssinchrony

机译：听觉神经病/听觉失调儿童的听觉特征，前兆病因和神经方面的研究

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The auditory neuropathy is a nosologic entity characterized by the loss of the synchronous auditory nerve activity associated with the preservation of cochlear function. Objectives: To describe auditory features, probable etiologies, and neurological aspects of children with auditory neuropathy from an Auditory Health Program. Method: Retrospective analysis of the children’s records seen in an Auditory Health Program of the Polyclinic of UVV, from December 2005 to December 2010. We selected 12 children with suspected auditory neuropathy as presenting cochlear integrity, confirmed by the presence of otoacoustic emissions, tympanometry preferably type A, and alterations of the rest of auditory canal, suspected by the presence of the cochlear microphonic in the Brainstem Auditory Evoked Potential (BAEP) with varying degree loss, and behavioral audiometry or tonal audiometry were better than the expected based on the results of BAEP. Farther, we revised the neurologic anamnesis. Results: The BAEP found no response with the presence of cochlear microphonic (CM) in 100% of cases. We also noted predominance of transient otoacoustic emission absent, cochlear-Eyelid Reflex, and estapedic reflex absent. Incompatibility of responses was confirmed among the tests when compared to the psychoacoustic and auditory behavior. Concerning the etiological factors and clinical history, only four children had no neonatal complications that could explain auditory findings, three other patients had prematurity, hypoxia (3 cases), bilirubin encephalopathy (1 case) or sepsis (5 cases) with the use of ototoxic drugs in the neonatal period. Conclusion: The auditory assessment shows that the findings are characterized by variability of response in the tonal audiometry with inconsistent responses, and a development of listening skills below the chronological age. Thus, we conclude that the tests should never be analyzed isolated. Besides that, it’s important to listen attentively to the complaints of the parents and caregivers.
机译：听神经病是一种听觉病态的实体，其特征是与耳蜗功能的保持相关的同步听觉神经活动的丧失。目的：通过听觉健康计划描述患有听觉神经病的儿童的听觉特征，可能的病因和神经方面。方法：回顾性分析2005年12月至2010年12月在UVV多科诊所的听觉健康计划中看到的儿童记录。我们选择了12名可疑听觉神经病的儿童表现为耳蜗完整性，并通过耳声发射确认，最好使用鼓室图根据脑干听觉诱发电位（BAEP）中存在耳蜗微音的怀疑，伴有不同程度的丧失，并怀疑A型和其他耳道的改变，行为测听或音调测听的结果优于基于BAEP。更进一步，我们修订了神经系统回忆。结果：在100％的病例中，BAEP未发现耳蜗微音（CM）的反应。我们还注意到缺乏瞬态耳声发射，耳蜗-眼睑反射和耳钉反射的优势。与心理声学和听觉行为相比，测试之间确认了反应的不兼容性。关于病因和临床病史，只有四名儿童没有可解释听觉发现的新生儿并发症，另外三名患有耳毒性早产，缺氧（3例），胆红素脑病（1例）或败血症（5例）。在新生儿期使用药物。结论：听觉评估表明，这些发现的特征是音调测听中反应的变异性，反应不一致以及在年龄以下的听力技能的发展。因此，我们得出结论，永远不要孤立地分析测试。除此之外，重要的是认真听取父母和照顾者的抱怨。

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