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  • Title: Abnormalities associated with aberrant right subclavian arteries-a case report.
    Author: Epstein DA, Debord JR.
    Journal: Vasc Endovascular Surg; 2002; 36(4):297-303. PubMed ID: 15599481.
    Abstract:
    An aberrant right subclavian artery (ARSA) is an anomaly with a reported incidence of 0.5% to 2%. Usually the aberrant artery follows a retroesophageal course; rarely it takes a course anterior to the esophagus or the trachea. Most patients with an ARSA remain asymptomatic; however, progressive dysphagia develops occasionally. The choice of approach depends on the presence or absence of aneurysmal disease, the urgency of the operation, and the surgeon's experience. A case is reported of a 33-year-old white male patient who had a 3-year history of progressive dysphagia to the point that he was only able to swallow liquids. A barium swallow demonstrated a posterior extrinsic compression of the esophagus. Angiography was performed, which demonstrated an ARSA with a common origin of the right and left common carotid arteries. Surgical correction was performed via a right supraclavicular neck incision. The proximal aberrant artery was mobilized behind the esophagus. The distal, right subclavian artery was exposed, transected, and transposed with reimplantation into the right common carotid artery. An aberrant right thoracic duct was encountered and ligated. The English language literature from 1960 to present was reviewed via a Medline search. Reported anomalies associated with ARSAs include a nonrecurrent right inferior laryngeal nerve, a common origin of the common carotid arteries, a replaced right or left vertebral artery, coarctation of the aorta, a right-sided thoracic duct, and a right-sided aortic arch. It is important to be aware of these associated anomalies and how they impact the operative approach involved in the correction of dysphagia lusoria.
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