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Living with Intellectual disability-cardiac anomalies-short stature-joint laxity syndrome

A rare genetic syndrome with slow growth, developmental delay, heart and kidney differences, and loose joints.

Understanding Intellectual disability-cardiac anomalies-short stature-joint laxity syndrome

Intellectual disability-cardiac anomalies-short stature-joint laxity syndrome is a rare genetic syndrome with slow growth before and after birth and intellectual disability.

Features include global developmental delay, distinct facial features, small head, short stature, spine differences, loose joints, and eye, heart, and kidney differences. Brain imaging may show a thin corpus callosum, delayed myelination, or brain shrinkage. It begins in the newborn period or infancy.

Signs & symptoms

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

  • Heart differences
  • Feeding difficulties
  • Hearing impairment
  • Loose joints (hypermobility)
  • Differences in the hands
  • Skeletal differences

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 bone and joint specialists, brain and nervous system specialists, genetic specialists and heart and blood vessel specialists.

  3. Consider genetic testing

    Changes in PUF60 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
Bone and joint specialists (orthopedists or orthopedic surgeons); Brain and nervous system specialists (neurologists); Genetic specialists (geneticists); Heart and blood vessel specialists (cardiologists)
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 genetic testing for the PUF60 gene confirm the diagnosis?
Which heart, kidney, and hearing checks does my child need?
What therapies support growth and development?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Dominant
GenesPUF60

Changes in the PUF60 gene cause this condition. It is inherited in an autosomal dominant pattern, meaning one changed copy of the gene can be enough.

GeneticNeurological

Also known as: intellectual disability, cardiac anomalies, short stature, joint laxity syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Intellectual disability-cardiac anomalies-short stature-joint laxity syndromeGARD ID 17948 · 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 Intellectual disability-cardiac anomalies-short stature-joint laxity syndrome.

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