Amyoplasia, the most common type of arthrogryposis: the potential for good outcome

J M Sells1, K M Jaffe, J G Hall

  • 1Department of Pediatrics, University of Washington, Seattle, USA.

Pediatrics
|February 1, 1996
PubMed

Insights

Children with amyoplasia, a subgroup of arthrogryposis, show significant musculoskeletal issues at birth. However, with interventions, most achieve excellent functional and educational outcomes by age five.

Area of Science:

  • Pediatric Orthopedics
  • Developmental Pediatrics
  • Rehabilitation Medicine

Background:

  • Amyoplasia is the most common subgroup of arthrogryposis in children.
  • The natural history and long-term outcomes of amyoplasia have been previously under-described.

Purpose of the Study:

  • To describe the birth characteristics of children with amyoplasia.
  • To document therapeutic interventions received by these children.
  • To evaluate the functional outcomes in children with amyoplasia.

Main Methods:

  • Retrospective review of medical records for 38 children diagnosed with amyoplasia.
  • Analysis of birth data, orthopedic procedures, and rehabilitative therapies.
  • Assessment of functional outcomes including ambulation, daily living independence, and educational placement.

Main Results:

  • Eighty-four percent presented with symmetrical, four-limb involvement at birth.
  • Children underwent an average of 5.7 orthopedic procedures, with extensive use of casting, splinting, physical, and occupational therapy.
  • By age five, 85% were ambulatory, largely independent in daily activities, and integrated into regular classrooms.

Conclusions:

  • Children with amyoplasia experience significant congenital musculoskeletal challenges.
  • Early and consistent orthopedic and rehabilitative interventions are crucial for managing amyoplasia.
  • Despite initial severity, children with amyoplasia demonstrate excellent functional and educational outcomes in the long term.
Abstract