Subclavian steal syndrome
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Subclavian Steal Syndrome[edit | edit source]
Subclavian Steal Syndrome is an uncommon neurovascular condition characterized by a reversal of blood flow in the vertebral artery or the subclavian artery, often observed with exertion of the upper extremity. This syndrome arises due to a stenosis or occlusion of the subclavian artery proximal to the origin of the vertebral artery.
Pathophysiology[edit | edit source]
The condition occurs when there is a significant stenosis or blockage in the subclavian artery. This results in a "steal" of blood from the vertebral artery to compensate for the reduced blood flow to the arm, leading to various neurological symptoms.
Symptoms[edit | edit source]
Symptoms of Subclavian Steal Syndrome may include:
- Dizziness or vertigo
- Syncope (fainting)
- Arm claudication (pain with exercise)
- Differences in blood pressure between arms
Diagnosis[edit | edit source]
Diagnosis typically involves:
- Clinical examination noting blood pressure differences
- Doppler ultrasound of the subclavian and vertebral arteries
- Angiography or Magnetic Resonance Angiography (MRA)
Treatment[edit | edit source]
Treatment options vary depending on the severity of symptoms and may include:
- Medical management with antiplatelet or antihypertensive medications
- Surgical intervention like bypass grafting or angioplasty
External Links[edit | edit source]
| Subclavian steal syndrome Resources | |
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