Right aortic arch forming a true vascular ring: a clinical review

Biermann, D.; Holst, T.; Huners, I.; Rickers, C.; Kehl, T.; Ruffer, A.; Sachweh, J.S.; Hazekamp, M.G.

doi:doi:10.1093/ejcts/ezab225

OBJECTIVES: This review aims at presenting and summarizing the current state of literature on the presentation and surgical management of a right-sided aortic arch with a left-sided ligamentum forming a complete vascular ring around the oesophagus and trachea.METHODS: A systematic database search for appropriate literature was conducted on PubMed/MEDLINE. Articles were considered relevant when providing details on the presentation, diagnosis and surgical treatment of this specific congenital arch anomaly in human beings.RESULTS: Affected patients present with respiratory and/or oesophageal difficulties due to tracheoesophageal compression. Conservative treatment might be reasonable in asymptomatic or mildly symptomatic cases; however, once moderate-to-severe symptoms develop, surgical intervention is definitely indicated. Surgery is commonly performed through a left thoracotomy or median sternotomy and includes the division of the left ductal ligamentum; if a Kommerell's...Show moreOBJECTIVES: This review aims at presenting and summarizing the current state of literature on the presentation and surgical management of a right-sided aortic arch with a left-sided ligamentum forming a complete vascular ring around the oesophagus and trachea.METHODS: A systematic database search for appropriate literature was conducted on PubMed/MEDLINE. Articles were considered relevant when providing details on the presentation, diagnosis and surgical treatment of this specific congenital arch anomaly in human beings.RESULTS: Affected patients present with respiratory and/or oesophageal difficulties due to tracheoesophageal compression. Conservative treatment might be reasonable in asymptomatic or mildly symptomatic cases; however, once moderate-to-severe symptoms develop, surgical intervention is definitely indicated. Surgery is commonly performed through a left thoracotomy or median sternotomy and includes the division of the left ductal ligamentum; if a Kommerell's diverticulum is present that is >1.5 times the diameter of the subclavian artery, then concomitant resection of the large diverticulum and translocation of the aberrant left subclavian artery is also conducted. Postoperative morbidity and mortality are low and are rather related to concomitant intracardiac and extracardiac anomalies than to the procedure itself. In a majority of patients, full resolution of symptoms is seen within months to years from the surgery. Nevertheless, there is also a subset of patients who remain with some tracheobronchial narrowing, sometimes even requiring reintervention during follow-up due to persisting or recurring symptoms.CONCLUSIONS: Overall, the surgical management of a right aortic arch forming a true vascular ring in infancy, childhood and adulthood seems relatively safe and effective in providing symptomatic relief despite some persistent tracheobronchial and/or oesophageal narrowing in some cases.Show less

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Right aortic arch forming a true vascular ring: a clinical review