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Subaortic course of innominate vein is a rare congential anomaly of the great veins characterized by an anomalous course of the left brachiocephalic vein, passing from left to right below the aortic arch and entering the superior vena cava below the orifice of the azygos vein. Patients are frequently asymptomatic and diagnosed incidentally on imaging studies. Other cardiac malformations may be associated.
No clinical trials have been registered for subaortic course of innominate vein.
2 publications have been identified in PubMed for subaortic course of innominate vein. Research spans Other (50%) and Case Report / Case Series (50%).
Sakamaki Y (2025). [PMID: 40017490](https://pubmed.ncbi.nlm.nih.gov/40017490/). *Surgical case reports*. [Case Report / Case Series]
Grosse-Wortmann L (2024). [PMID: 39053855](https://pubmed.ncbi.nlm.nih.gov/39053855/). *Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance*. [Other]
Data assembled from 3 of 12 sources · Last updated Sep 20, 2026, 1:48 AM UTC
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