Can hearing aids cure tinnitus?

According to statistics, about 20% of the population is suffering from tinnitus. The incidence of tinnitus in 60 years old is as high as 30%. More than 80% of tinnitus cases are related to hearing changes. Other diseases that can cause tinnitus include head and neck trauma, whole body. A few cases of tinnitus have no clear cause for metabolic and endocrine system diseases.

Tinnitus is the sound that is perceived when there is no external sound source. It can be one ear or two ears, and most of them are subjective tinnitus, that is, only the tinnitus patient can hear the sounds such as “嗡嗡嗡” and “吱吱吱”, but Others cannot perceive it. This kind of tinnitus, which can only be realized by itself, affects people’s work and life to varying degrees, and even brings extreme negative effects such as anxiety, depression and suicide.

There are two main types of tinnitus non-pharmacological treatment:

1, tinnitus treatment, that is, does not change the tinnitus, but change the reaction and attitude of the tinnitus patients to their tinnitus, psychological counseling, etc., adjust the patient’s mentality, emotions, thereby reducing the annoyance caused by tinnitus. However, due to the long treatment time and high price, it is greatly limited in clinical practice.

2, tinnitus masking therapy, also known as tinnitus sound therapy, aims to use the external sounds to suppress the spontaneous excitatory activity of the cochlea or auditory nerve. Hearing loss with tinnitus patients wearing a hearing aid is the application of this principle, that is, the surrounding sound is amplified, and the patient’s perception of his own tinnitus is reduced.

Why are hearing aids useful for improving tinnitus?

Many patients with tinnitus will report that the tinnitus is very loud in a quiet environment, especially at nights, so tinnitus patients often complain that the tinnitus is too noisy to sleep. But in a noisy environment, most patients with tinnitus will not notice tinnitus, and feel that tinnitus seems to “disappear”. In fact, in a noisy environment, tinnitus still exists, but it is only masked by the natural noise of the outside world.

Hearing aids can alleviate the symptoms of tinnitus based on a similar principle. By amplifying the external sound, the ambient sound can partially or completely mask the tinnitus, thereby alleviating the tinnitus. When the patient hears an ambient sound that is higher than its hearing threshold, the resolution of the nervous system on tinnitus, ambient sound, etc. will gradually decrease to achieve an effect of increasing the treatment.

The method of hearing aids for hearing tinnitus is similar to a tinnitus masking therapy. Tinnitus masking therapy is a popular method of sound therapy. It uses narrow-band noise close to the frequency of tinnitus to cover up tinnitus for the purpose of healing.

In order to make the masking sound stimulation play the ideal masking effect, it must have sufficient loudness, and the hearing aid is targeted to enlarge according to the hearing loss of the hearing loss patient. The loudness is large enough to cover the tinnitus well and improve. The effect of tinnitus.

Many patients have bilateral tinnitus, and bilateral tinnitus are at the same frequency. Because the peripheral auditory pathway has a strict frequency distribution, the probability of bilateral bilateral auditory pathways occurring at the same site is extremely low, so bilateral tinnitus of the same frequency Almost all of them are central tinnitus. However, if a bilateral tinnitus patient wears only one side of the hearing aid, it tends to suppress only the ipsilateral tinnitus, and most of the contralateral tinnitus is ineffective. This phenomenon is consistent with the auditory deprivation phenomenon. Therefore, bilateral hearing loss is accompanied by bilateral tinnitus, and it is best to wear hearing aids on both sides, which not only overcomes the phenomenon of hearing deprivation, but also effectively suppresses tinnitus.

The effect of hearing aids on tinnitus is actually the principle of using sound therapy. After wearing a hearing aid, the sound that can be heard is louder and richer, and the tinnitus is naturally less obvious. The patient did not feel tinnitus, and he was not so anxious, which also helped to suppress tinnitus. With such a virtuous circle, the tinnitus will slowly disappear.

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