• Carl L Backer, Michael C Mongé, William J Wallen, and Osama Eltayeb.
• Section of Pediatric Cardiothoracic Surgery, UK HealthCare Kentucky Children's Hospital, Lexington, Ky; Department of Cardiothoracic Surgery, Cincinnati Children's Hospital Medical Center, Heart Institute, Cincinnati, Ohio. Electronic address: carl.backer@uky.edu.
• J. Thorac. Cardiovasc. Surg. 2024 Feb 1; 167 (2): 413419413-419.

ObjectiveCross-sectional imaging allows identification of rare patients with a vascular ring and circumflex aorta. The key diagnostic feature is crossing of the transverse aortic arch from right to left posterior to the trachea and superior to the carina in a patient with a right aortic arch. We evaluated our patients who received an aortic uncrossing procedure.MethodsWe reviewed all patients who underwent aortic uncrossing from 2002 to 2022. All patients received preoperative computed tomography imaging and bronchoscopy.ResultsEleven patients ranging in age from 1.5 to 10 years (median 4 years) underwent aortic uncrossing. Two patients had prior left ligamentum division, and 3 patients had prior left aortic arch division. All had significant clinical symptoms. Eight patients had deep hypothermic circulatory arrest (mean 34 minutes), and 3 patients had antegrade cerebral perfusion (median, 28 minutes). Patch material was not used for aortic augmentation, and no patient underwent a posterior tracheopexy or rotational esophagoplasty. Postoperative length of stay ranged from 4 to 31 days (median, 5 days). One patient required a temporary tracheostomy for bilateral recurrent laryngeal nerve paresis, which recovered. One patient required an aortic extension graft to alleviate esophageal compression from an unusual ectatic esophageal course. All patients had relief of airway symptoms and dysphagia.ConclusionsIn properly selected patients with a right aortic arch and circumflex aorta, aortic uncrossing is a safe and effective therapy to treat airway and esophageal compression. The procedure can be conducted with deep hypothermic circulatory arrest or antegrade cerebral perfusion. Careful attention to the location of the esophagus and recurrent laryngeal nerves is required.Copyright © 2023 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.

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