No Lasting Impact of Covid-19 on the Auditory System: a Prospective Cohort Study

Overview

Journal J Laryngol Otol

Publisher Cambridge University Press

Specialty Otorhinolaryngology

Date 2024 Dec 11

PMID 39658938

Authors

S Hassani

M Lazem

Z Jafari

Affiliations

Soon will be listed here.

Abstract

Objective: Otological complications are considered early symptoms of severe acute respiratory syndrome coronavirus-2; however, it is unknown how long these symptoms last and whether the virus leaves any hearing disorders post-recovery.

Methods: This prospective cohort study comprised 31 mild or moderate confirmed coronavirus disease 2019 patients and 26 age-matched control peers (21-50 years old). Patients were questioned about their otological symptoms, and their hearing status was assessed during one month post-diagnosis.

Results: Patients showed a significantly higher rate of otological symptoms (hearing loss, ear fullness, ear pain, dizziness or vertigo, communication difficulties, and hyperacusis) versus the control group ( ≤ 0.022). The symptoms resolved early, between 2 and 8 days after their appearance. No significant differences were observed between the two groups in pure tone and extended high-frequency audiometry, transient evoked otoacoustic emissions, distortion product otoacoustic emissions, or auditory brainstem response following recovery.

Conclusion: The findings indicate that, in mild to moderate coronavirus disease 2019 cases, otological symptoms resolve within a week, and the virus has no lasting impact on the auditory system.

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