Children unilateral hearing loss, early detection and early treatment!

What is unilateral hearing loss in children? This is often due to its good side of the hearing, has not seriously affected its simple daily communication, and easy to be ignored by parents

For example, if we cover one eye with one hand, our vision will be narrower and it will be more difficult to see things. Normal binaural listening is very important for children in speech development and learning period.

In the United States, the incidence of unilateral hearing loss is 3-6% in school-age children and 11-14% in teenagers. Among the children with unilateral hearing loss, severe hearing loss accounts for 68%, continuous deterioration of unilateral hearing loss accounts for 14-32.8% (hearing loss aggravates or develops into bilateral hearing loss), and 2-15% of preschool children with unilateral hearing loss have speech development disorder.

When there is hearing loss in one ear, it also means that children lose the advantage of two ears listening, which will lead to the decline of speech perception ability in complex environment and the inability to accurately determine the location of sound source. Some studies have shown that unilateral hearing loss can lead to problems such as the decline of children’s academic performance, the need for additional classroom guidance, the improvement of repetition rate, the decline of language expression ability, learning difficulties, the slow development of communication ability, and the frustration of social emotional development.

For children with unilateral hearing loss, director Duan called on: as parents, we must not let go, and effective diagnosis, intervention and rehabilitation are very important. The core goal of listening intervention is to improve the signal-to-noise ratio (s / N), that is, the difference between signal sound and noise intensity.

How to understand the signal-to-noise ratio? In short, when we talk to people in a quiet environment at home, the background noise is very small and the signal-to-noise ratio is large; but when we are in a noisy road or shopping mall, the surrounding environment noise becomes larger and the difference between the signal noise and the noise becomes smaller. At this time, we can’t hear each other clearly. Different levels of hearing loss have different requirements on SNR. The more serious the hearing loss is, the higher the requirement on SNR is.

Hearing aids, such as air guided hearing aids, bone guided hearing aids, cochlear implants, two ear to one hearing aids (cros), wireless systems and other interventions, can improve the signal-to-noise ratio and language listening environment.

Director Duan suggested that parents: Although the negative impact of unilateral hearing loss on children’s learning performance was only reported 30 years ago, which attracted everyone’s attention, at present, the traditional concept of parents often thinks that as long as one side of hearing is left, speech development will not be affected, and the key period of hearing aid intervention is missed. In fact, unilateral hearing loss has continuous adverse effects on the development of children, speech, cognition and emotion. Clinical research data support unilateral hearing loss

Hearing aid intervention should be carried out within one year after diagnosis. Three rehabilitation principles for children with unilateral hearing loss:

(1) early intervention: early intervention after the diagnosis of unilateral hearing loss;

(2) pay attention to “light”: even if the unilateral hearing loss is slight, it should be interfered by hearing aid;

(3) frequent follow-up: follow up every year to monitor the development of hearing.

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