Key result
Aortic arch branching angles correlate with advancing age and atherosclerotic lesion severity.
Why the study?
The branching angles of the brachiocephalic trunk, left carotid, and left subclavian arteries and their relation to vascular disease pathogenesis and clinical angiography were not well characterized.
Observational (n=117)
This anatomical study provides data on the branching angles of major aortic arch vessels, which may inform hemodynamic modeling of vascular disease pathogenesis and clinical angiography.
Cadaveric arch angle data may refine hemodynamic models; leaves open in vivo links to atherosclerosis or age.
We measured branching angles of the brachiocephalic trunk, left carotid, and left subclavian arteries at their points of origin from the arch in 117 human specimens. We compared the measured angles with theoretical values commonly used in the study of arterial branching, and examined possible correlations with age and with the presence of atherosclerotic lesions. The results may be useful in the modelling and analysis of hemodynamic factors in the pathogenesis of vascular disease at these junctions and may be of some interest in clinical angiography. The junctions are important gateways for blood supply to the head and upper limbs and often are involved with lesions that affect blood supply to the brain.
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Zamir et al. (1991) reported an observational. Branching angles of aortic arch arteries vs. Theoretical values was evaluated on Branching angles and correlations with age and atherosclerotic lesions. Measurement of branching angles of aortic arch arteries in 117 human specimens was performed to examine correlations with age and atherosclerotic lesions.
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