What is Aberrant Subclavian Artery?

It is defined as a condition in which there is an anatomical variation of the origin of right or left subclavian artery. It is the most common problem of the aorta. It is also known as the aberrant subclavian artery syndrome. This aberrant artery arises from the distal to left subclavian artery. It moves to the posterior part of mediastinum. It goes beyond the esophagus to the right upper extremity. It may form a vascular ring near the mediastinal structure.

What are the signs and symptoms of aberrant subclavian artery?
The dysphagia may occur due to the right aberrant subclavian artery. It is also known as the dysphagia lusoria. There occurs a palsy of recurrent laryngeal nerve which is known as the Ortners syndrome. The right aberrant subclavian artery can arise from the proximal descending aorta which is known as the diverticulum of Kommerell.

What is the treatment of aberrant subclavian artery?
Surgery is the only feasible treatment for this condition.