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Living with Bone fragility with contractures, arterial rupture, and deafness

A rare genetic connective tissue condition affecting bones, joints, eyes, skin, hearing, and blood vessels.

Understanding Bone fragility with contractures, arterial rupture, and deafness

Bone fragility with contractures, arterial rupture, and deafness is a rare genetic connective tissue condition caused by too little of an enzyme called lysyl hydroxylase 3.

It affects many tissues and organs. Features include bone problems like club foot, scoliosis, thin bones, and fractures, plus eye differences, and hair, nail, and skin changes. People may have slow growth before birth, joint contractures, growth and developmental delay, and deafness in both ears. Blood vessel tears can occur later.

Signs & symptoms

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

  • Easy bruising
  • Tears in arteries (arterial rupture)
  • Club feet
  • Nearsightedness and cataracts
  • Coarse hair and nail differences
  • Delays in development

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 autoimmune and inflammatory disease specialists, bone and joint specialists, ear, nose, and throat specialists and genetic specialists.

  3. Consider genetic testing

    Changes in PLOD3 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
autoimmune and inflammatory disease specialists (rheumatologists); Bone and joint specialists (orthopedists or orthopedic surgeons); 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
Can PLOD3 gene testing confirm the diagnosis?
How should we protect bones and blood vessels?
Which specialists should follow hearing, eyes, and the spine?

Quick facts

Symptoms usually startduring Pregnancy and as a Newborn
InheritanceAutosomal Recessive
GenesPLOD3

Changes in the PLOD3 gene cause this condition. It is autosomal recessive, which means a child inherits a changed copy of the gene from each parent.

Genetic

Also known as: bcard syndrome; bone abnormalities, cataract, arterial rupture, and deafness; bone fragility-contractures-arterial rupture-deafness syndrome; bone fragility-contractures-arterial rupture-hearing loss syndrome; connective tissue disorder due to lh3 deficiency; connective tissue disorder due to lysyl hydroxylase-3 deficiency

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Bone fragility with contractures, arterial rupture, and deafnessGARD ID 17362 · 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 Bone fragility with contractures, arterial rupture, and deafness.

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