Percutaneous stenting for symptomatic stenosis of aberrant right subclavian artery

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Aberrant origin of the right subclavian artery is the most common abnormality of the aortic arch vessels and occurs in approximately 0.5% to 1% of the population. Symptoms can result from compression of the esophagus by the aberrant vessel, aneurysm formation, or atherosclerotic occlusion. Occlusive symptoms are typically relieved by surgical revascularization (i.e., transposition or carotid-subclavian bypass) through a cervical approach. An alternative approach to the management of stenosis of normal subclavian arteries is percutaneous angioplasty and stenting, an approach not previously used for occlusive disease of an aberrant right subclavian artery. We describe a case of focal stenosis of an aberrant right subclavian artery causing dizziness and arm claudication in a patient who underwent successful percutaneous angioplasty and stenting.

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