Noise-Induced Hearing Loss: An Update

Nathan C Tu, Gabriela L Bobarnac Dogaru, Rick A Friedman


Noise-induced hearing loss (NIHL) is an increasingly common, yet preventable, form of hearing loss affecting a large segment of the population. It is defined as a permanent sensorineural hearing loss that develops gradually in the context of long-term significant noise exposure, involves higher hearing frequencies, and is associated with damage to the auditory apparatus. It represents a large economic burden through both healthcare and disability costs and through lost productivity, and can have significant physical and mental health effects for affected individuals. Significant advances have been made in understanding the physical and biochemical changes to the auditory apparatus in response to excessive noise exposure, as well as in discovering genetic susceptibility and potential treatments. This review aims to explore some of these new discoveries and inform internists about the diagnostic nuances of NIHL and the newest guidelines for NIHL prevention.   


Noise-induced hearing loss; hearing loss

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