Otosclerosis & Hearing Loss: Causes, Symptoms, Treatment

Written by the Nano Hearing Aids Team
Reviewed for Accuracy by Lindsay Roberts, AuD.

Lindsay Roberts
Otosclerosis & Hearing Loss: Causes, Symptoms, Treatment

Key Takeaways

  • Otosclerosis is a cause of hearing loss, occurring when abnormal bone growth in the ear impedes sound transmission.
  • Symptoms often include difficulty hearing low-pitched sounds, tinnitus, and sometimes dizziness or balance issues.
  • Diagnosis is typically made through a combination of hearing tests and medical imaging.
  • Treatment options range from hearing aids to surgery, such as a stapedectomy, depending on the severity of the condition.
  • There is no known prevention for otosclerosis, but early intervention can help maintain hearing quality.

What is Otosclerosis Hearing Loss

Otosclerosis is a hearing condition characterized by the immobilization of the stapes bone in the ear due to abnormal bone growth. The stapes, which is essential for transmitting sound vibrations to the inner ear, becomes fixed, leading to impaired sound transmission. This results in varying degrees of hearing loss, as the immobilized stapes dampens the clarity of sound reaching the inner ear.

Degrees of Otosclerosis hearing loss:

  • Mild otosclerosis hearing loss: Difficulty hearing whispers or background noise.
  • Moderate otosclerosis hearing loss: Regular conversation becomes hard to follow, especially in noisy environments.
  • Severe otosclerosis hearing loss: You may need to rely on lip-reading or use a hearing aid to understand speech.

While otosclerosis is a common cause of hearing impairment affecting both adults and children, it is often overlooked because it develops gradually. The slow progression of the condition can make it difficult to notice until the hearing loss becomes significant.

Causes of Otosclerosis Hearing Loss

The exact cause of otosclerosis remains unclear, but it is known to often run in families, indicating a genetic component. Some researchers believe that hormonal changes, such as those occurring during pregnancy, may trigger the condition or accelerate its progression.

Probable causes:

  • Genetic Predisposition: A natural inclination towards certain conditions inherited from one's parents or family lineage.
  • Hormonal Changes, Including Pregnancy: Shifts in the body's hormone levels, which can occur during events such as pregnancy, affecting overall health.
  • Possible Viral Infections: The potential role of viruses in triggering or exacerbating certain conditions.

Most importantly, if you have a family history of otosclerosis, it doesn't mean you'll definitely develop it, but you might be more at risk. Therefore, staying informed and vigilant about the symptoms is key.

Symptoms of Otosclerosis Hearing Loss

The symptoms of otosclerosis can be subtle at first. You might find yourself turning up the volume on the TV or asking people to repeat themselves. If these signs feel familiar, it's worth getting your hearing checked.

Look out for these indicators of hearing loss:

  • Struggling to Hear Low-Pitched Sounds or Whispers: Difficulty in detecting or clearly understanding sounds at lower frequencies or soft speech, often indicating a hearing impairment.
  • Hearing a Ringing or Buzzing Sound: Experiencing persistent or intermittent sounds like ringing, buzzing, or humming in the ears, a condition known as tinnitus.
  • Feeling Dizzy or Off-Balance: Encountering issues with balance or dizziness, which can be related to inner ear problems affecting both hearing and equilibrium.

Acknowledging these signs and taking action is the first step toward better hearing health.

Diagnosing Otosclerosis Hearing Loss

Diagnosing otosclerosis involves a few steps. First, a hearing health professional will examine your symptoms and review your medical history. Then, they'll conduct a hearing test to see exactly what kind of sounds you're having trouble with.

If otosclerosis is suspected, imaging tests like a CT scan may be used to get a closer look at the bones in your ear. These tests help to rule out other causes of hearing loss and confirm the diagnosis of otosclerosis. 

Otosclerosis is characterized by an abnormal bone growth in the middle ear that causes progressive hearing loss.

Treatment Options for Otosclerosis Hearing Loss

Treatment for otosclerosis varies depending on the severity of the condition and its impact on the individual's life. The primary treatment options include hearing aids, medication, and surgery.

Hearing aids are often the first line of defense in managing otosclerosis, but this option is recommended only for minor cases. It is also important to remember that they do not slow the growth of the bone. 

For some patients, medication may be used to slow down the abnormal bone growth associated with otosclerosis, although it is still not a cure. 

When medication and hearing aids are insufficient, surgical options such as stapedectomy or stapedotomy may be considered. These surgical procedures involve removing or modifying the immobilized stapes bone to improve sound transmission to the inner ear, potentially restoring a significant degree of hearing function.

Pharmacological Interventions and Their Efficacy

Medications such as sodium fluoride have been used to slow the progression of otosclerosis by hardening the abnormal bone, but as mentioned earlier, the efficacy of this approach remains uncertain and requires further research to determine its effectiveness as a therapeutic option.

Surgical Solutions: Stapedectomy Explained

When hearing loss significantly affects your quality of life, a surgical procedure called a stapedectomy might be suggested. This involves removing the immobilized stapes bone and replacing it with a tiny prosthesis. 

It's a delicate operation, but it can restore hearing in many cases.

Stapedectomy involves removing part or all of the stapes bone and replacing it with a prosthetic device.

Auditory Aids: Enhancing Daily Communication

For those not ready for surgery or seeking complementary treatments, auditory aids extend beyond traditional hearing aids. Assistive listening devices, for example, are handheld amplifiers that pick up sound from a distance, aiding in conversations.

Devices like amplified phones, special alarms, and hearing loops can also improve quality of life.

Genetics plays an important role in the development of otosclerosis. 

Can Otosclerosis Hearing Loss be Prevented?

Unfortunately, the development of otosclerosis cannot be prevented. However, by understanding the condition and detecting it early, steps can be taken to preserve hearing and mitigate its effects.

  • Hearing loss preventive measures include:
  • Regular hearing check-ups, especially if there is a family history of otosclerosis.
  • Protecting ears from loud noises to prevent further hearing damage.
  • Staying informed about advancements in treatments and technologies.

Nano OTC Hearing Aids for Perceived Mild to Moderate Otosclerosis Hearing Loss

Over-the-counter (OTC) hearing aids, such as those offered by NANO, are suitable for individuals experiencing mild to moderate hearing loss, including those with mild otosclerosis. For only $397, you can get a model like the First Ear Pro CIC, which is designed to enhance the hearing experience by reducing noises like feedback and enhancing speech and other sounds.

First Ear Pro CIC

NANO’s First Ear Pro CIC hearing aids with their charging case. 

A notable feature of these OTC devices from NANO is their rechargeable capability, which helps users save on recurring battery costs. This affordability and functionality make them an accessible option for improving hearing quality and managing otosclerosis-related hearing challenges effectively.

Shop NANO OTC Hearing Aids

Frequently Asked Questions (FAQ)

What is the likelihood of inheriting otosclerosis?

Otosclerosis has a strong genetic component. The chance of inheriting it is higher if you have a family member with the condition. 

Can otosclerosis worsen over time, and how fast?

Otosclerosis often progresses slowly, and it can be unpredictable. Some people experience a gradual decline in hearing over many years, while for others, the loss may stabilize after a period of change. 

Are there any new treatments for otosclerosis on the horizon?

Research into otosclerosis is ongoing, and new treatments are being explored. One area of interest is gene therapy, which could potentially correct the underlying genetic abnormalities that cause the condition. 

There's also ongoing research into new surgical techniques and materials for stapedectomy to improve outcomes and reduce risks.

How do I know if NANO OTC hearing aids are right for me?

To determine if NANO’s aids are suitable for you, consider the severity of your hearing loss and your lifestyle needs. These devices are best for mild to moderate hearing loss. 

It's always recommended to get a hearing test by consulting your physician.

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