What is sudden deafness? Sudden deafness is a sudden onset of sensorineural deafness of unknown origin. It can occur in all age groups, but it is more common in middle-aged and elderly people, and there is a trend of increasing incidence in young people with the increase in work pressure and pace of life. The incidence is reported to be 5-20 per 100,000 people abroad. Most patients suddenly experience hearing loss in one or both ears within a few minutes to a few days, which may be accompanied by dizziness, nausea, vomiting, or tinnitus without any obvious aura. How does sudden deafness occur? The exact pathogenesis of sudden deafness is not well understood, but current research suggests that it is related to impaired blood supply to the inner ear, viral infection, metabolic abnormalities, immune factors, and sudden changes in inner ear pressure, among which impaired blood circulation in the inner ear and viral infection are the most recognized. What are the treatment options for sudden deafness? The treatment of sudden deafness is still being researched in terms of the known pathogenesis. Because inner ear ischemia and hypoxia are the important aspects of the disease and the basis of the pathogenesis of most patients, improving inner ear microcirculation and promoting oxygen supply are currently the basis of the treatment of the disease. treatment, acupuncture, etc. Why can hyperbaric oxygen treat sudden deafness? A large number of clinical studies have confirmed the effectiveness of hyperbaric oxygen therapy in treating sudden deafness, which is incomparable to other treatment methods. 2.Reducing the permeability of capillary endothelium and reducing tissue edema. 3, Accelerate the repair of hair cells as well as cochlear and vestibular nerves to prevent cochlear hearing and hair cell degeneration and necrosis. 4 . Inhibit platelet aggregation and increase the fragility of red blood cells, thus reducing the viscosity of blood and facilitating thrombus dissolution. 5 . Inhibit the release of inflammatory factors and control the inflammatory response. 6 .Regulate the immune function of the body and interrupt the metabolic disorder.