Vascular CT Appearances

Coarctation of the Aorta CT Findings

• 6-8% of CHD
• Stenosis proximal descending aorta
• Juxtaductal
• Focal (AKA post-ductal)
• Diffuse (AKA pre-ductal)
  • Diagnosed in neonates
  • Long segment narrowing
  • Hypoplastic arch
  • No collaterals
  • Present with CHF

Other Information About Coarctation of the Aorta

Etiology:

• Unknown cause
• Congenital

Epidemiology:

• Males are twice as likely to have CoA

Presentation:

• Milder cases are asymptomatic
• More severe cases in infants have symptoms such as:
  • Tachycardia
  • Grey/pale skin
  • Difficulty eating
  • Trouble with breathing
  • Heavy sweating
• In adolescence and adulthood, symptoms may present as:
  • Nosebleeds
  • Cold feet
  • Leg cramps (especially with exercise)

Prognosis:

• Surgery will be needed for symptomatic patients and recommended for asymptomatic patients to prevent complications
• Patients with CoA can live full lives buy may have a decreased life span