A rapid review of audio-vestibular symptoms relating to SARS-CoV-2 and COVID-19 appeared in IJA in 2020 (Almufarrij, Uus, and Munro 2020), but the first systematic review and meta-analysis appeared in 2021 (Almufarrij and Munro 2021). Their pooled prevalence estimates of hearing loss, tinnitus and rotatory vertigo, based primarily on retrospective recall of symptoms, were 7.6% (CI: 2.5–15.1), 14.8% (CI: 6.3–26.1) and 7.2% (CI: 0.01–26.4), respectively. Almufarrij and Munro urged caution when interpreting these data because it was not always clear within each study if the symptom associated with SARS-CoV-2 and COVID-19 was new or a change (i.e. the prevalence may have been over-estimated if the symptoms were present before, and unchanged by, COVID-19). With this in mind, we reviewed the 28 studies in their meta-analysis and attempted to contact authors of individual studies where there was uncertainty or missing data. We then conducted a new meta-analysis using more conservative inclusion criteria.
|Journal||International Journal of Audiology|
|Publication status||Published - 25 Aug 2021|
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Manchester Centre for Audiology and Deafness (ManCAD)
Munro, K., Millman, R., Lamb, W., Dawes, P., Plack, C., Stone, M., Kluk-De Kort, K., Moore, D., Morton, C., Prendergast, G., Couth, S., Schlittenlacher, J., Chilton, H., Visram, A., Dillon, H., Guest, H., Heinrich, A., Jackson, I., Littlejohn, J., Jones, L., Lough, M., Morgan, R., Perugia, E., Roughley, A., Whiston, H., Wright, C., Saunders, G., Kelly, C., Cross, H., Loughran, M. & Hoseinabadi, R.