Before the final exam, Xiaoqiang, a 14-year-old middle school student, woke up one morning and found that his right ear couldn’t hear anything, and he felt dizzy, powerless, nauseous and vomiting. He kept singing like a cicada in his ear. His parents rushed the child to the otolaryngology department of the hospital. The doctor found that the tympanic membrane of the child was not abnormal and was diagnosed as “sudden deafness”, which was immediately admitted to the hospital for treatment. Due to the timely treatment, Xiaoqiang recovered his hearing and returned to the campus two weeks later.

The above cases are common in clinical practice. Sudden deafness, as the name implies, refers to sudden deafness, also known as “sudden deafness” or “sudden deafness”. At present, its etiology and pathogenesis are not clear. It is generally believed that the damage of inner ear nerve cells is caused by microcirculation disorders and virus infection. The inducing factors are often cold, fatigue, mental tension and stimulation. Deafness is often the first symptom, most of which occurs on one side. Hearing drops sharply within 24 hours, rarely more than 3 days. It can be accompanied by tinnitus, dizziness, nausea, vomiting, cold sweat and other symptoms. Patients with external auditory canal, tympanic membrane, often no obvious abnormalities.

Sudden deafness is a disease related to mood, which was high in the middle-aged and old people before. But in recent years, with the acceleration of life rhythm and the increase of mental pressure, the incidence of sudden deafness has increased, and there is a trend of youth.

Because the location of sudden deafness injury is in the inner ear, that is, the nerve endings, and nerve cells are not renewable, so the effective rate of sudden deafness treatment is less than 70%. Therefore, the treatment of sudden deafness must not be delayed. At present, the most effective drug for sudden deafness is glucocorticoid, which should be used early, sufficient and gradually decreasing. The elderly and children should use it carefully and reduce it. In addition, it should be used together with drugs mainly for improving blood circulation of inner ear and reducing blood viscosity. If the patient is considered to have blood supply disorder of inner ear, thrombolytic drugs should be used early. If the patient has a cold history within two weeks before sudden deafness, the possibility of inner ear injury caused by virus infection should be considered, and antiviral drugs should be used. In addition, hyperbaric oxygen chamber treatment, vitamin and energy mixture are also effective. It was found that the effect of sudden deafness was related to the severity of hearing loss, whether accompanied by vertigo and the time of treatment. If the patients with total hearing loss are accompanied by vertigo, the effect is not good if the treatment is delayed to one week.

It is worth noting that some patients with ear diseases also show sudden deafness, which may be caused by acoustic neuroma, otitis media, ototoxic drugs, blast injury, trauma and other factors. Therefore, to diagnose sudden deafness, we must exclude other causes of deafness.

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