To ensure that children have good hearing, we must prevent and treat some diseases that are easy to damage hearing and diseases that can induce ear diseases, so as to avoid causing hearing damage. Special attention should be paid to the effects of the following diseases on hearing in childhood:

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(1) meningitis: no matter children or adults, if they have meningitis or encephalitis B, it may directly affect their hearing. In the 1950s, about 30% – 40% of deaf children were caused by meningitis. Now after vaccination, meningitis has been greatly reduced, but there are still epidemic cases. The infection caused by meningitis can invade the inner ear at the same time, cause suppurative inflammation of the labyrinth, form dead ear and lead to total deafness. Therefore, the prevention of meningitis is very important to prevent deafness.

(2) measles: measles is one of the causes of suppurative otitis media in children. Measles virus can reach the vascular striae of < a href = "" target = "blank" > cochlea < / a > through human blood circulation, causing microcirculation disorder or labyrinthitis, and bilateral moderate and severe sensorineural deafness. Because of the birth of the preventive vaccine, the incidence of the disease has been greatly reduced.

(3) chickenpox: chickenpox is a kind of virus infection, which mostly occurs in preschool children. This virus infection is closely related to deafness, because it can lurk in the sensory ganglia and cause deafness at any time. After the occurrence of the disease, it is necessary to treat it thoroughly and pay attention to the hearing condition, and make timely diagnosis and treatment in case of hearing loss. Therefore, the prevention of varicella in children is very important.

(4) mumps: it is a common infectious disease in childhood. Caused by mumps virus. The virus can affect the function of cochlea and vestibule. The virus enters the inner ear through blood circulation, causing inflammatory changes in the stria vascularis of the cochlea, damaging the lymphatic system, causing viral labyrinthitis, which seriously affects hearing and is difficult to treat. The deafness caused by mumps is usually one side of the ear, so it is not easy to find it early.

(5) secretory otitis media: secretory otitis media is one of the common causes of deafness in children in recent years. It is a non suppurative inflammatory disease of the middle ear characterized by effusion and hearing loss in the tympanum. The main causes are eustachian tube dysfunction, infection and immune response. It is very important to carry out health publicity and education to improve people’s awareness of the disease. Prevention of cold and active treatment of nasopharynx diseases can avoid the occurrence of secretory otitis media.

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