Abstract
A 35-year-old black woman presented with thrombosis of an anomalous right subciavian artery and distal arterial embolization. Initially, her right subclavian artery was reimplanted onto the common carotid artery, and a brachial artery embolectomy plus intraoperative thrombolytic therapy were used to reopen her distal arterial circulation. When her brachial artery repair thrombosed the following day, a distal ulnar artery bypass and repeat thrombolytic therapy were required to restore arterial patency. Six months later, she returned with severe, progressive, neointimal hyperplasia of her brachial artery and a second attempt at arterial reconstruction was unsuccessful. She eventually required a right below-elbow amputation. This patient demonstrated an anomalous right subclavian artery that presented with distal embolization without an antecedent history of severe atherosclerotic disease or the development of a right subclavian artery aneurysm. A review of the medical literature relating to complications of this anomaly is provided.
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Akers, D.L., Fowl, R.J., Plettner, J. et al. Complications of anomalous origin of the right subclavian artery: Case report and review of the literature. Annals of Vascular Surgery 5, 385–388 (1991). https://doi.org/10.1007/BF02015303
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DOI: https://doi.org/10.1007/BF02015303