Friday, November 12, 2021

Study reveals common loud noises cause fluid buildup in the inner ear and suggests simple possible cure for noise-induced hearing loss

 

https://www.eurekalert.org/news-releases/934449

 

 News Release 11-Nov-2021
Study reveals common loud noises cause fluid buildup in the inner ear and suggests simple possible cure for noise-induced hearing loss
Peer-Reviewed Publication
University of Southern California - Health Sciences

 

 Exposure to loud noise, such as a firecracker or an ear-splitting concert, is the most common preventable cause of hearing loss. Research suggests that 12% or more of the world population is at risk for noise-induced loss of hearing.

Loud sounds can cause a loss of auditory nerve cells in the inner ear, which are responsible for sending acoustic information to the brain, resulting in hearing difficulty. However, the mechanism behind this hearing loss is not fully understood.

Now, a new study from Keck Medicine of USC links this type of inner ear nerve damage to a condition known as endolymphatic hydrops, a buildup of fluid in the inner ear, showing that these both occur at noise exposure levels people might encounter in their daily life.

Additionally, researchers found that treating the resulting fluid buildup with a readily available saline solution lessened nerve damage in the inner ear.

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