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Revista mexicana de angiología
versión On-line ISSN 2696-130Xversión impresa ISSN 0377-4740
Resumen
AUDIFFRED-GUZMAN, Raymundo A. y IBANEZ-RODRIGUEZ, José F.. Anatomical variants of the aortic arch associated with progression and development of thoracic aortic disease. Rev. mex. angiol. [online]. 2025, vol.53, n.2, pp.47-51. Epub 29-Ago-2025. ISSN 2696-130X. https://doi.org/10.24875/rma.25000016.
Background:
The aortic arch normally gives rise to the brachiocephalic trunk, left common carotid artery, and left subclavian artery. However, its variants, previously considered solely imaging findings, have been linked to thoracic aortic disease.
Objective:
To identify anatomical variants of the aortic arch associated with the development and progression of thoracic aortic disease.
Methods:
An observational, analytical, cross-sectional, and retrospective study. Thoracic CT angiograms from 2012 to 2017 were reviewed for comparative analysis.
Results:
A total of 769 patients were evaluated. The most common variant was the bovine trunk (23.67%). In patients with thoracic aortic disease, this variant was present in 45.6 vs. 24.1% in the general population, with a relative risk of 4.3. These patients had an annual aortic growth rate of 3.5 mm, compared with 1.23 mm in those without variants.
Conclusion:
The bovine trunk is the most common anatomical variant and represents a risk factor for the development and progression of thoracic aortic disease.
Palabras llave : Anatomical variants; Aortic disease; Bovine arch.
