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Covid-19 may cause long-term hearing loss, growing evidence suggests | Covid-19 may cause long-term hearing loss, growing evidence suggests |
(30 days later) | |
Researchers from the University of Manchester have uncovered a strong association between Covid-19 infection and hearing loss and other auditory problems, hinting that the virus may yet inflict more long-term damage on humanity. | Researchers from the University of Manchester have uncovered a strong association between Covid-19 infection and hearing loss and other auditory problems, hinting that the virus may yet inflict more long-term damage on humanity. |
Professor Kevin Munro and PhD researcher Ibrahim Almufarrij from the University of Manchester and NIHR Manchester Biomedical Research Centre (BRC) analysed 56 studies, with evidence indicating some link between Covid-19 and auditory and inner ear problems. | Professor Kevin Munro and PhD researcher Ibrahim Almufarrij from the University of Manchester and NIHR Manchester Biomedical Research Centre (BRC) analysed 56 studies, with evidence indicating some link between Covid-19 and auditory and inner ear problems. |
They found an overall prevalence of hearing loss of 7.6%, tinnitus of 14.8%, and vertigo of 7.2% among Covid-19 patients. | They found an overall prevalence of hearing loss of 7.6%, tinnitus of 14.8%, and vertigo of 7.2% among Covid-19 patients. |
“It is also well-known that viruses such as measles, mumps and meningitis can cause hearing loss; little is understood about the auditory effects of the SARS-CoV-2 virus,” Munro said. | “It is also well-known that viruses such as measles, mumps and meningitis can cause hearing loss; little is understood about the auditory effects of the SARS-CoV-2 virus,” Munro said. |
He acknowledged a variance in quality among the studies he and his team had analysed, as many drew data from self-reported questionnaires or medical records of Covid-related symptoms, rather than standardised, medically reliable hearing tests, and called for more thorough investigations to be carried out. | He acknowledged a variance in quality among the studies he and his team had analysed, as many drew data from self-reported questionnaires or medical records of Covid-related symptoms, rather than standardised, medically reliable hearing tests, and called for more thorough investigations to be carried out. |
Munro and his fellow experts are currently conducting their own study to estimate and catalogue Covid-19-related hearing disorders and discover how exactly the virus impacts the human auditory system. | Munro and his fellow experts are currently conducting their own study to estimate and catalogue Covid-19-related hearing disorders and discover how exactly the virus impacts the human auditory system. |
Already, Munro and his team have found that some 13% of Covid patients who were discharged from hospital reported a change in their hearing, in a worrying sign of what may yet await humanity in a post-pandemic world. | Already, Munro and his team have found that some 13% of Covid patients who were discharged from hospital reported a change in their hearing, in a worrying sign of what may yet await humanity in a post-pandemic world. |
“Over the last few months I have received numerous emails from people who reported a change in their hearing, or tinnitus after having Covid-19,” Munro said. | “Over the last few months I have received numerous emails from people who reported a change in their hearing, or tinnitus after having Covid-19,” Munro said. |
"While this is alarming, caution is required as it is unclear if changes to hearing are directly attributed to Covid-19 or to other factors, such as treatments to deliver urgent care." | "While this is alarming, caution is required as it is unclear if changes to hearing are directly attributed to Covid-19 or to other factors, such as treatments to deliver urgent care." |
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