Abstract
Subclavian steal syndrome is a vascular disorder that consists of significant blood supply restriction with resultant insufficiency of the vertebrobasilar artery and the subclavian artery causing symptomatic insufficiency to the brain and upper extremity. It is important to recognize this condition in patients with subacute to chronic posterior circulation vascular insufficiency as early diagnosis and treatment can have good clinical outcomes (J Clin Neurosci. 2010;17:1339). CT angiogram of the head and neck should be considered in patients with chronic vertebrobasilar insufficiency to evaluate subclavian steal syndrome.
Highlights
Computed tomography (CT) of the head and magnetic resonance imaging (MRI) brain was normal without any evidence for acute ischemic changes on diffusion-weighted imaging (DWI) (Figure 1A,B), and T2 signal changes on the fluid-attenuated inversion recovery (FLAIR) sequence (Figure 1C)
We present an unusual case of subclavian steal syndrome presenting with chronic vertebrobasilar insufficiency that improved after surgical revascularization
Subclavian steal syndrome is a vascular disorder that consists of significant blood supply restriction with resultant insufficiency of the vertebrobasilar artery and the subclavian artery causing
Summary
All neurology, chronic vertebrobasilar insufficiency, chronic vertigo, subclavian steal A 60-year-old woman with a long-s tanding history of seizures (for 20 years) stable on phenytoin (400 mg qhs) presented with subacute progressive vertigo, binocular diplopia, and gait ataxia. Her vital signs were normal at presentation. The patient was noted to have horizontal gaze nystagmus, mild gait ataxia, and upper and lower extremity ataxia worse on the right side.
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