It is estimated that over 40 million people living in the U.S. experience some form of hearing loss. Shockingly a considerable number of these cases go untreated, sometimes for years. Untreated hearing loss can result in worsening of health conditions overall. To complicate matters, treatment options for mixed hearing loss may not be straightforward creating confusion and delays in effective treatment. This article will cover the different types of hearing loss and what treatment options are available.
Conductive Hearing Loss
Issues associated with the middle or outer ear that prevents sounds from reaching the eardrum are referred to as conductive hearing loss. Conditions known to cause conductive hearing loss include impacted earwax, ruptured eardrum, swimmer’s ear, benign tumors, ear infections, and objects lodged in the ear canal.
How is it Treated?
Treatments for conductive hearing loss address the underlying issue to remove the blockage and restore hearing; these include cleaning, surgery, or antibiotics if the result of an infection.
Sensorineural Hearing Loss
The inner ear canal, also known as the cochlea, is lined with minuscule hairs called stereocilia. These hairs convert the stimulation from sound waves into electric signals the brain interprets. Sensorineural hearing loss occurs when something goes wrong with the stereocilia. This condition is known to be caused by poor blood circulation, extremely loud sounds, and ototoxic medications.
How is it Treated?
The most common way to treat sensorineural hearing loss is through technology. Hearing aids are the first line of treatment, followed by cochlear implants for severe cases.
Mixed Hearing Loss
When hearing loss is attributed to a combination of factors, it is known as mixed hearing loss. This occurs when issues are found with the middle ear and inside the cochlea. An excellent example of this is a condition known as a clubbed ear or cauliflower ear; this happens when there is damage to the outer ear that is severe enough to block sound to the middle ear and disrupt blood flow resulting in mixed hearing loss.
How is it Treated?
Mixed hearing loss presents a complicated problem to audiologists. Each issue has to be dealt with at the same time. Because of this, treatment options will vary from patient to patient, depending on the severity of the hearing loss.
Frequently Asked Questions
The main types of hearing loss are conductive hearing loss, sensorineural hearing loss, and mixed hearing loss. Conductive hearing loss results from problems in the outer or middle ear, sensorineural is due to inner ear or nerve damage, and mixed hearing loss is a combination of both conductive and sensorineural factors.
Conductive hearing loss is caused by issues in the outer or middle ear that block sound from reaching the eardrum. Common causes include impacted earwax, ruptured eardrum, ear infections, swimmer’s ear, benign tumors, and objects lodged in the ear canal.
Treatment of conductive hearing loss focuses on removing the blockage or addressing the underlying problem. This can involve ear cleaning, surgery, or antibiotics if the hearing loss is due to an infection, aiming to restore sound transmission to the eardrum.
Sensorineural hearing loss occurs due to damage or dysfunction of the inner ear’s stereocilia or the auditory nerve. Causes include poor blood circulation, exposure to extremely loud noises, and the use of ototoxic medications which can harm the inner ear structure.
Sensorineural hearing loss is commonly treated using hearing aids that amplify sound for the wearer. In severe cases, cochlear implants may be considered to directly stimulate the auditory nerve when hearing aids are insufficient.
Mixed hearing loss is a combination of conductive and sensorineural hearing loss when problems exist in both the middle ear and inner ear. This dual involvement creates complexity in diagnosis and treatment since both components must be addressed.
Treatment of mixed hearing loss is complex and individualized, requiring audiologists to address both conductive and sensorineural issues simultaneously. Therapy may combine medical, surgical, and technological approaches depending on the severity and underlying causes.
