新冠肺炎对听觉通路影响的评价

Nourhan Nour Eldin Hassan, A. Nassar, Rasha El Kabarity, A. El-gendy
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摘要

背景:冠状病毒病2019 (COVID-19)是由新型严重急性呼吸综合征冠状病毒2 (SARS-COV-2)感染引起的。2019年12月,中国武汉报告了COVID-19的起源,报告了不明原因的肺炎病例。从这些病例中获得了一种新型冠状病毒,并被认为是本次疫情的原因。工作目的:检测新冠肺炎患者有无听觉功能障碍及其类型。调查与COVID-19感染相关的可能病变部位(高达脑干水平)。患者和方法:本研究在艾因沙姆斯大学专科医院听力学科和El-Demerdash医院共进行了45例受试者。研究分为两组:研究组为30例新冠病毒感染后患者,平均年龄34.80 + 9.81岁;对照组为15例无新冠病毒感染史的听力正常个体,平均年龄32.80 + 8.28岁。研究组和对照组均进行了基础听力学评估(PTA、声阻抗测量和声反射)、teoes和神经耳科ABR。结果:在本研究中,纯音测听显示研究组中28例(93.3%)听力正常,2例(6.7%)轻度高频感音神经性听力损失。语音听力测试结果显示,所有受试者的语音接收阈值正常,语音辨别能力良好。虽然所有频率的平均值都在正常范围内,但与对照组相比,发现了显着更高的阈值,特别是在2、4和8 KHz时。研究组在(2.8 KHz和4 KHz)的teoae信噪比(SNR)值明显低于对照组,在低重复率和高重复率ABR参数方面,研究组与对照组之间无显著差异。结论:新型冠状病毒感染患者纯音听力学和瞬态诱发耳声发射受到影响,尤其是高频。
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EVALUATION OF COVID-19 IMPACT ON AUDITORY PATHWAY
: Background: Coronavirus disease 2019 (COVID-19) is caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) infection. The origin of COVID-19 was reported in December 2019 in Wuhan, China, where cases of unknown pneumonia were reported. A novel coronavirus was obtained from these cases and was suggested as the cause of this outbreak. Aim of the Work: To detect presence or absence of auditory dysfunction and its type in COVID-19 patients. To investigate the possible site of lesion (up to the level of brain stem) in relation to COVID-19 infection. Patients and Methods: The present study was conducted on a total of forty-five subjects in Audiology Unit-Ain Shams University Specialized Hospital and El-Demerdash hospital. The study was performed on two groups: a study group consisted of 30 post COVID-19 patients with mean age of 34.80 + 9.81 years and a control group consisted of 15 normal hearing individuals without previous history of COVID-19 infection, their mean age was 32.80 + 8.28 years. Both study and control groups underwent basic audiological assessment (PTA, acoustic immitancemetry & acoustic reflex), TEOAEsand neuro-otologic ABR. Results: In the present study, Pure tone audiometry showed normal hearing in 28 (93.3 %) subjects of the study group subjects and documented mild high frequency sensorineural hearing loss in 2 (6.7%) subjects. Speech audiometry showed normal speech reception threshold and excellent speech discrimination in all subjects. Although the average of all frequencies was found within the normal limits in the hearing assessment of patients by PTA performed in patients who had COVID-19 and recovered, a significant higher thresholds was found, especially at 2, 4 and 8 KHz in comparison to the control group, Also there was significant lower (worse) TEOAEs signal to noise ratio (SNR) values at (2.8 and 4 KHz) in the study group in comparison to the control group and no significant difference between the study and control groups as regards low repetition rate & high repetition rate ABR parameters. Conclusion: In conclusion, pure tone audiometry and transient evoked oto-acoustic emissions were affected in subjects infected with COVID-19 specially at the high frequencies.
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