- Subject has arterial stenosis =>70% in either the left common carotid artery or the brachiocephalic artery
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Subject's brachiocephalic or left carotid artery reveals significant stenosis, ectasia, dissection, or aneurysm at the aortic ostium or within 3 cm of the aortic ostium
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Subject has compromised blood flow to the right upper extremity
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Subject has access vessels with excessive tortuosity
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Subject has uncorrected bleeding disorders
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Subject is contraindicated for anticoagulant and antiplatelet therapy
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