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Living with Dysmorphism-conductive hearing loss-heart defect syndrome

A rare condition present from birth with distinct facial features, a cleft palate, hearing loss from the middle ear, and heart defects.

Understanding Dysmorphism-conductive hearing loss-heart defect syndrome

Dysmorphism-conductive hearing loss-heart defect syndrome is a rare condition with multiple differences present from birth.

People have distinctive facial features, such as a low hairline, droopy eyelids, prominent eyes, and small low-set ears. They also have a cleft palate, conductive hearing loss (sound isn't carried well through the ear), and heart defects such as a hole in the heart wall. Mild developmental delay or intellectual disability may occur. Signs show up in the newborn and infant years.

Signs & symptoms

GARD doesn't list a separate symptom list for this condition, but the summary describes these features:

  • Distinct facial features
  • Droopy eyelids (ptosis)
  • Cleft palate
  • Hearing loss (conductive)
  • Heart defects (hole in a heart wall)
  • Mild developmental delay

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 brain and nervous system specialists, 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
Brain and nervous system specialists (neurologists); 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
Which hearing tests and treatments are right for my child?
What heart tests are needed?
Who should treat the cleft palate?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Dominant

GARD says changes in a person's genes cause this condition. It is autosomal dominant, meaning one changed copy of the gene can cause it.

GeneticNeurological

Also known as: dysmorphism, conductive hearing loss, heart defect syndrome; facial dysmorphism, conductive hearing loss, heart defect syndrome; tyshchenko syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Dysmorphism-conductive hearing loss-heart defect syndromeGARD ID 17328 · 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 Dysmorphism-conductive hearing loss-heart defect syndrome.

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