1. One month after birth, the baby has a relatively perfect hearing. At this stage, it is not suitable to receive large sound stimulation. Excessive stimulation may cause hearing damage. When bathing and shampooing the baby, pay attention not to let sewage into the ear canal, so as to prevent the occurrence of external ear and middle ear inflammation. We should pay attention to the correct feeding and water feeding posture, that is, hold the baby up and take the half lying position. If the mother’s milk is too sufficient and the pressure is too high, the baby’s head can be slightly lower, so as to avoid choking milk or swallowing not entering the eustachian tube in time and causing acute otitis media.
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2. Otitis media is the most common cause of hearing loss. For example, acute otitis media is usually infected by the eustachian tube. Usually, when the cold strikes, the nasal mucosa is inflamed, and the active bacteria will enter the middle ear directly from the opening of the eustachian tube in the nasopharynx, causing the inflammation of the middle ear mucosa, especially in childhood. As the adult’s eustachian tube is narrow, curved and long, while the infant’s is on the contrary, the eustachian tube is relatively short and thick, and in a horizontal direction, so the bacteria in the nasal cavity and nasopharynx are easy to invade, resulting in acute otitis media or even acute suppurative otitis media and affecting the hearing. In addition, there is also a non suppurative otitis media called secretory otitis media, which is also an increasingly common disease. Generally, it occurs more in winter and spring. It is characterized by the accumulation of liquid in the middle ear cavity. At present, most people think that the disease is related to the dysfunction of the eustachian tube, the immune function of the body, and the infection of the upper respiratory tract. Some children who get this disease suddenly appear after a cold Some of them occur unconsciously, often with ear tightness and hearing loss as the main manifestations. A few children report slight earache. In children, they are mostly slow to listen, listen by mistake or not concentrate, turn on the TV volume very much, and their academic performance drops. Because of the atypical clinical symptoms, they are easy to be ignored by parents, resulting in different degrees of hearing loss or accompanying for life.
Third, the middle ear is often threatened by “neighbors”, such as nose and pharyngeal diseases, including sinusitis, tonsillitis, proliferative adenitis, etc., often accompanied by otitis media, so in order to protect the health of the middle ear, we must pay attention to the correction of this kind of diseases. There are many such cases in clinic. After removing the hypertrophied and recurrent tonsils of children, not only the chance of cold is less, but also the recurrent otitis media is cured.
4. Many drugs have strong toxicity to the ears. Long term use or one large-scale use, or the sick children are highly sensitive to these drugs can cause hearing impairment. The most common ototoxic drugs are streptomycin, gentamicin, kanamycin and so on. These drugs mainly cause auditory nerve damage. Because children can’t correctly reflect the early toxic symptoms when using these antibiotics, they often can’t match with the general hearing test method.
Some parents should avoid the bad practice of educating their children. For example, if the head of the child is hit hard, the ears will cause traumatic deafness, which should be corrected. The care for the young children must also be considerate, so as to avoid head injury, inner ear damage and deafness.
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Link：Four factors of hearing loss in children
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