Why is hearing loss irreversible?
- Date:
- Views:34
- Source:Verizon Hearing Aids
Why is hearing loss irreversible?
The hair cells and nerve cells that give us hearing are only produced during embryonic development. Once damaged or lost, it cannot be regenerated.
The bending or deflection of the cilia on the top of the hair cells is a special form of response to acoustic vibration stimulation. It is the beginning of converting mechanical energy into bioelectricity and causing the excitement of the hair cells. Hair cell damage is one of the main causes of sensorineural hearing loss. When hair cells are damaged by external stimulation, they cannot spontaneously produce new hair cells, making the human ear unable to consciously repair hearing loss.
Researchers at Washington University School of Medicine in St. Louis tried to use growth factors to culture hair cells in vitro, hoping to restore hearing through this method, but this work It will take ten years or more before there is substantial progress. Dr Raphael Holmer, director of biomedical research at the Royal National Institute of Deafness, said: "Currently we have no treatments to restore permanent hearing loss."
< p> The method of culturing hair cells in vitro has not been clinically verified. Currently, wearing Hearing Aids is an effective solution for sensorineural hearing loss. When a patient with hearing loss is diagnosed with sensorineural hearing loss, he or she should wear a hearing aid as early as possible to prevent the brain from gradually becoming uncomfortable with speech if it is not exposed to sound for a long time, causing the hearing loss to gradually worsen and affecting communication. The growth and development process of mammals is different from that of non-mammals, and the hair cells in the inner ear cannot repair themselves, resulting in irreversible hearing loss.