subclavian steal syndrome
stenosis or obstruction of subclavian artery near its origin
- flow reversal in ipsilateral vertebral artery
- decreased cerebral circulation
- 2.5% of extracranial arterial occlusions
- 40-60y
- M:F 3:1
etiology:
symptoms:
- vertebrobasilar (HA/N/V/vertigo)
- brachial (arm pain, paresthesias)
Dx: angio, doppler (flow reversal in vertebral a.)
Rx: surgery, PTA
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© 2002, C.E. Kahn, Jr.
2002-04-18