What are the causes of deafness?

Deafness is actually a hearing impairment disease. In mild cases, people mainly suffer from hearing loss and ambiguity, while in severe cases, people become deaf. This disease is mainly treated with nerve nutrition and rapid-acting drugs, but it is recommended that you do not use drugs blindly. Most patients can be cured. Since there are many causes of deafness, it is necessary to understand the cause when treating it. So what are the causes of deafness?

1. Viral infection: Viral infection can also cause deafness. The common route of viral infection is bloodstream infection. Hematogenous infection virus particles enter the inner ear blood circulation directly from the blood circulation, causing cochlear circulation disorders or endolymphatic labyrinthitis. The virus invades the perilymph space through the meningeal route from the subarachnoid space through the cribriform plate at the bottom of the internal auditory canal or through the cochlear duct, causing perilymphatic labyrinthitis. Therefore, cochlear symptoms appear after meningitis. Herpes zoster virus is the main pathogen causing perilymphatic labyrinthitis.

2. Ruptured eardrum: Ruptured eardrum is often caused by external factors. After the eardrum ruptures, it will not only cause deafness, but also cause dizziness. Labyrinthal membrane rupture refers to the rupture of the round window or oval window membrane of the inner ear combined with rupture of the cochlear membrane. Due to the rupture of the membrane, symptoms such as sudden sensorineural deafness, vertigo and tinnitus occur. Sudden changes in middle ear pressure and intracranial pressure caused by sudden strenuous activity or experiencing drastic changes in air pressure is one of the common causes of sudden deafness.

3. Vascular disease: The investigation found that vascular disease is an important cause of sudden deafness. The incidence of sudden deafness due to partial or complete occlusion of the cochlear vasculature is unknown but is less than that due to viral labyrinthitis. Some people also believe that vascular diseases account for 3/4 of the causes of sudden deafness. Due to vasospasm, embolism, thrombosis, vascular compression, intravascular stenosis, hemorrhage, increased blood coagulability, fluctuations in arterial blood pressure and other vascular disorders, the sensory structure of the spiral organ degenerates due to lack of oxygen.

We have also learned something about the causes of deafness from the above content introduction. Deafness is very harmful to the human body. For example, it can cause patients to feel inferior, sexually withdrawn, and slow their brain thinking. Therefore, if you encounter symptoms of deafness (weak hearing, hearing loss), you should go to an ENT hospital for examination and treatment in time.