Isolated left subclavian artery with right aortic arch: case report and literature review of 50 cases

Isolated left subclavian artery (ILSA) with right aortic arch is a rare vascular anomaly accounting for 0.8% in all right-sided aortic arch anomalies. We report a case of an isolated left subclavian artery with right aortic arch and a combination of subclavian as well as pulmonary steal in infant with Tetralogy of Fallot. We reviewed and summarized 50 similar cases reported in the literature over the last 30 years, in order to gain a thorough understanding of this rare anomaly.

Automated summary

Isolated left subclavian artery with right aortic arch is a rare vascular anomaly, with even rarer occurrences in infants with Tetralogy of Fallot. Reviewing 50 similar cases reported in the literature over the past 30 years provides a comprehensive understanding of this rare anomaly.