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Severe supravalvar aortic stenosis in familial homozygous hypercholesterolemia

G Arora1, C D Fraser, D L Kearney

  • 1Lillie Frank Abercrombie Section of Cardiology, Texas Children's Hospital, Baylor College of Medicine, Mail Code 19345C, Houston, TX 77030, USA. garora@bcm.tmc.edu

Pediatric Cardiology
|November 2, 2005
PubMed

Insights

Familial homozygous hypercholesterolemia is a rare genetic disorder causing high cholesterol. This case highlights severe aortic stenosis requiring surgery despite intensive medical treatment.

Area of Science:

  • Cardiovascular Medicine
  • Genetics
  • Metabolic Disorders

Background:

  • Familial homozygous hypercholesterolemia (HoFH) is a rare, severe genetic lipid disorder.
  • Characterized by extremely high low-density lipoprotein cholesterol levels from birth.
  • Leads to premature cardiovascular disease, including xanthomas and aortic stenosis.

Observation:

  • Presents a case of HoFH with severe, progressive supravalvar aortic stenosis.
  • The patient exhibited typical cutaneous xanthomas, particularly on the Achilles' tendon.
  • Cardiovascular manifestations included significant atherosclerotic coronary artery disease.

Findings:

  • Standard HoFH therapies (diet, medication, apheresis) were administered.
  • Despite aggressive medical management, supravalvar aortic stenosis progressed.
  • Surgical intervention (aortic stenosis resection) became necessary.

Implications:

  • HoFH management requires a multidisciplinary approach.
  • Severe aortic stenosis can be a challenging complication of HoFH.
  • Surgical intervention may be essential for advanced cardiovascular complications in HoFH.

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