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Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
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Cystic fibrosis (CF), an autosomal recessive disorder, significantly affects the function of exocrine glands. This genetically inherited disease is characterized by the production of thick and sticky mucus, which can severely affect various organs and systems in the body.
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An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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Marfan syndrome.

Eric D Shirley1, Paul D Sponseller

  • 1Naval Medical Center Portsmouth, VA, USA.

The Journal of the American Academy of Orthopaedic Surgeons
|September 4, 2009
PubMed
Summary
This summary is machine-generated.

Marfan syndrome, a genetic disorder caused by fibrillin-1 mutations, often involves severe musculoskeletal issues like scoliosis and dural ectasia. These complications can lead to faster progression, surgical challenges, and hip joint problems.

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Area of Science:

  • Genetics
  • Orthopedics
  • Rheumatology

Background:

  • Marfan syndrome is an autosomal dominant genetic disorder.
  • Mutations in the fibrillin-1 gene are the primary cause.
  • Diagnosis relies on the Ghent nosology criteria.

Purpose of the Study:

  • To detail the musculoskeletal manifestations of Marfan syndrome.
  • To compare scoliosis in Marfan syndrome patients versus idiopathic scoliosis.
  • To highlight complications associated with dural ectasia and protrusio acetabuli.

Main Methods:

  • Review of clinical data and diagnostic criteria.
  • Comparative analysis of Marfan syndrome patients and those with idiopathic scoliosis.
  • Description of Marfan syndrome's impact on skeletal structures.

Main Results:

  • Marfan syndrome patients exhibit faster scoliosis progression and reduced response to bracing.
  • Scoliosis surgery in these patients involves increased blood loss and complications.
  • Dural ectasia is more frequent, causing pain, and protrusio acetabuli can lead to hip arthritis.

Conclusions:

  • Marfan syndrome presents significant musculoskeletal challenges, particularly scoliosis and dural ectasia.
  • These manifestations require specialized management and can lead to severe complications.
  • Understanding these features is crucial for patient care and treatment strategies.