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Contractures in patients with Williams syndrome
P Kaplan1, M Kirschner, G Watters
1Department of Pediatrics, Montreal Children's Hospital and Research Institute, Quebec, Canada.
Pediatrics
|November 1, 1989
Summary
Joint contractures are common in Williams syndrome, affecting half of individuals studied. These typically develop in childhood and persist, impacting daily activities for some, without a clear link to neurologic or vascular issues.
Area of Science:
- Genetics and developmental disorders
- Pediatric rheumatology
- Clinical genetics
Background:
- Williams syndrome is a rare genetic disorder affecting multiple body systems.
- It is characterized by distinctive facial features, intellectual disability, cardiovascular issues, and developmental delays.
- Progressive vascular disease is a known complication.
Observation:
- Joint contractures were observed in 10 out of 20 children and young adults with Williams syndrome.
- Contractures presented in early childhood and generally remained stable over time.
- Both large and small joints were affected, often symmetrically.
Findings:
- In half of affected individuals, contractures caused moderate to severe functional impairment.
- The occurrence of contractures did not correlate with the presence or severity of vascular disease.
- A neurologic etiology for the joint contractures could not be established.
Implications:
- Joint contractures represent a significant, non-vascular, non-neurologic musculoskeletal complication in Williams syndrome.
- Early identification and management strategies for contractures may improve functional outcomes.
- Further research into the pathogenesis of contractures in Williams syndrome is warranted.