Aberrant Right Subclavian Artery and Stanford Type B Aortic Dissection

Yuvraj Chowdhury¹, Shakil A. Shaikh¹, Ali Salman¹, Jonathan D. Marmur¹ and Isabel. M. McFarlane^1,

¹Division of Cardiovascular Disease and Department of Internal Medicine, State University of New York: Downstate Medical Center, Brooklyn, New York, United States-11203

Cite this paper

Yuvraj Chowdhury, Shakil A. Shaikh, Ali Salman, Jonathan D. Marmur and Isabel. M. McFarlane. Aberrant Right Subclavian Artery and Stanford Type B Aortic Dissection. American Journal of Medical Case Reports. 2020; 8(8):247-249. doi: 10.12691/AJMCR-8-8-9

Abstract

An aberrant right subclavian artery (ARSA) is a rare developmental anomaly (0.4-1.8%) of the aorta in which the right subclavian artery arises from the aortic arch distal to the origin of the left subclavian artery often coursing behind the esophagus to reach the right arm. It courses behind the esophagus in about 80% of cases, between the esophagus and the trachea in 15%, and anterior to the trachea or mainstem bronchus in 5%. Patient with this anomaly rarely have symptoms (90-95%) but when symptomatic the ARSA give rise to symptoms of dysphagia lusoria, dyspnea and chronic cough. In a vast majority of patients ARSA is clinically silent till right radial angiography is performed. We are reporting a case of dissection of the retroesophageal right subclavian artery with extension to the descending thoracic aorta (Stanford Type B).

Keywords

aberrant subclaviaartery, Standford type B aortic dissection, dyphagia lusoria, Kommerell’s diverticulum, cardiovocal syndrome, Ortner’s syndrome

Copyright

This work is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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