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April 18, 2026Heart ViewsOpen Access

Isolation of the Left Brachiocephalic Artery with Right-sided Aortic Arch and Absent Patent Arterial Duct in a Patient with Tetralogy of Fallot

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Case report describes isolated left brachiocephalic artery in a patient with tetralogy of Fallot, suggesting complex vascular implications.

The aim is to discuss the rare isolation of the left brachiocephalic artery in a patient with tetralogy of Fallot and its clinical significance.
Descriptive case report of a 23-year-old male patient with tetralogy of Fallot.
Utilization of trans-thoracic echocardiography and cardiac computed tomography for diagnosis.
Evaluation of vascular anomalies and collateral circulation.
Identification of right aortic arch with isolated left brachiocephalic artery.
Visualization of extensive aortopulmonary collaterals and absence of a connection between left brachiocephalic artery and main pulmonary artery.
Perfusion maintained via retrograde filling from left vertebral artery.

Sharma et al. (2025) studied this question.

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Case report describes isolated left brachiocephalic artery in a patient with tetralogy of Fallot, suggesting complex vascular implications.