Subclavian Steal Syndrome

Subclavian Steal Syndrome2019-07-03T22:33:36+00:00

What is Subclavian Steal Syndrome

Subclavian Steal syndrome is an occlusive (meaning closed off or blocking) disease that reverses the flow of blood from the internal thoracic artery and vertebral artery due to a narrowing of the Subclavian artery.

Risk factor

  • Age
  • Family history
  • Smoking
  • Hypercholesterolemia
  • Diabetes
  • Hypertension
  • Genetics


  • Numbness in arm
  • Tingling in the fingers
  • Dizziness
  • Unsteadiness
  • Gangrene in fingers
  • Blindness
  • Ocular disturbances
  • Decreased blood pressure on the side of the blockage
  • Occipital headache
  • Muscle wasting

How is this Diagnosed?

  • Ultrasound
  • MRI
  • Angiography


  • Conservative – Anti-cholesterol hypertension drugs.
  • Surgical intervention – Angioplasty of upper extremity and/or Stent upper extremity
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