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Living with Progressive deafness with stapes fixation

A form of hearing loss caused by a tiny middle ear bone that can no longer move freely.

Understanding Progressive deafness with stapes fixation

Progressive deafness with stapes fixation, also called Thies Reis syndrome, is hearing loss caused by a stuck stapes bone in the middle ear.

The stapes is one of the tiny bones in the middle ear. When it becomes fixed in place, sound can't pass well to the inner ear, so hearing is reduced. The hearing loss may be conductive or mixed. It can occur alone or alongside conditions like otosclerosis, Paget's disease, or osteogenesis imperfecta. Chronic ear infections can also lead to it. GARD lists onset in childhood.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Hearing loss in both ears (conductive)
  • A stuck stapes bone (stapes ankylosis)
  • Hearing that worsens over time

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include ear, nose, and throat specialists and genetic specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
Ear, nose, and throat specialists (otolaryngologists); Genetic specialists (geneticists)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with rare disease patient organizations for support
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Is the hearing loss conductive or mixed in my case?
Could another condition, like otosclerosis, be involved?
What hearing options are available for us to consider?

Quick facts

Symptoms usually startChild
InheritanceAutosomal Recessive

The hearing loss comes from fixation of the stapes bone. GARD lists autosomal recessive inheritance, meaning a child inherits a changed copy of the gene from each parent, and notes it can also follow chronic ear infections.

Genetic

Also known as: progressive hearing loss with stapes fixation; stapedo-vestibular ankylosis; thies reis syndrome; thies-reis syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Progressive deafness with stapes fixationGARD ID 5170 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Progressive deafness with stapes fixation.

Explore the Progressive deafness with stapes fixation blog

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HealthSpark

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