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Stenotic aortic and mitral valves in three adult brothers with arthrogryposis multiplex congenita

Timothy P Obarski1, Patrick M Fardal, Charles R Bush

  • 1Section of Cardiovascular Medicine, Columbus, Ohio.

The American Journal of Cardiology
|August 2, 2005
PubMed

Insights

Adults with arthrogryposis multiplex congenita (AMC) may develop severe heart valve stenosis later in life. This condition can lead to sudden death or heart failure requiring intervention.

Area of Science:

  • Cardiology
  • Genetics
  • Neuromuscular Disorders

Background:

  • Arthrogryposis multiplex congenita (AMC) is a rare congenital disorder characterized by multiple joint contractures.
  • While AMC primarily affects the musculoskeletal system, its long-term systemic complications are not fully understood.

Observation:

  • Three adult brothers diagnosed with AMC presented with severe aortic and mitral valve stenosis in their fourth decade.
  • This cardiac complication occurred decades after the initial diagnosis of AMC.

Findings:

  • One brother experienced sudden cardiac death, presumed to be related to the severe valvular stenosis.
  • The remaining two brothers developed symptomatic heart failure, necessitating urgent valvular replacement surgery.

Implications:

  • This case series highlights a previously under-recognized potential long-term complication of AMC.
  • Cardiovascular monitoring, particularly for valvular disease, may be crucial for adult patients with AMC.
  • Further research is warranted to elucidate the pathophysiology linking AMC and late-onset valvular stenosis.

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