Evaluation of COVID-19 Impact on Auditory Pathway

Articles in Press

Document Type : Original Article

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ENT department, Audiology unit, Ain-Shams university, Cairo, Egypt

Abstract

Background: Coronavirus disease 2019 is caused by the novel severe acute respiratory syndrome coronavirus 2 infection. The origin of COVID-19 was reported in December 2019 in Wuhan, China, where cases of unknown pneumonia were reported.
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 in relation to COVID-19 infection.
Materials and Methods:The present study was conducted on a total of forty-five subjects in Audiology Unit-Ain Shams University hospitals. The study was performed on a study group consisted of 30 post COVID-19 patients and a control group consisted of 15 normal hearing individuals. Both study and control groups underwent basic audiological assessment, TEOAEs and neuro-otologic ABR.
Results: 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. A significant higher thresholds was found 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.
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.
Key Words: COVID-19, PTA, TEOAEs.

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Ain Shams Medical Journal

Articles in Press, Accepted Manuscript
Available Online from 01 October 2024

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