Journal of Anatomy and Physiological Studies


Tortuosity in a Bilateral Brachioradial Artery of Dissimilar Arterial Origins and Clinical Implications

Author(s): Olutayo Ariyo, Raymond J Shea

Dissection of the upper limb of a 67 year-old male cadaver revealed tortous bilateral brachioradial arteries; these originated in the proximal third of the arm. The left brachioradial artery originated from the brachial artery proper, while the right arose from the superficial brachial artery. The right median nerve was formed within the proximal 1/3rd of the limb from its unusually longer lateral and medial roots, the nerve coursing 3-4 cm distal to its formation passing through the brachial artery and the brachioradial artery forming an island pattern (an inselbildung). With an increased usage of the radial artery as a vascular access route over the femoral artery, Variants of the artery, its origin, morphology and topography are significant in selection of the artery for percutaneous transradial coronary catheterization. Such knowledge will minimize iatrogenic complications or vessel crossover rate. Combination of high-origin brachioradial artery together with tortuosity are uncommon; but known causative etiological factors of procedural complications. Pre-operative angiography, duplex scanning are preoperative studies that useful for candidate selection for coronary percutaneous transradial catheterization.
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