A 76-year-old woman presented with respiratory failure that was later determined to be a result of a right aortic arch with an aberrant left brachiocephalic artery. This vascular ring compressed the trachea, requiring operative intervention. A median sternotomy gave access for an aorta-to-left brachiocephalic artery bypass and division of the vascular ring. This is a unique case, because vascular rings rarely present in elderly patients with such acute life-threatening symptoms. To our knowledge, this is the oldest and heaviest patient ever reported with symptomatic presentation and one of only 4 patients over the age of 50. The current literature on vascular rings of the thoracic aorta in adults is reviewed.
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