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International Journal of Morphology

versión On-line ISSN 0717-9502


REYES HERNANDEZ, Cynthia Guadalupe et al. Morphometric Study of the Radial Artery and its Involvement in Bypass Surgery Grafting. Int. J. Morphol. [online]. 2013, vol.31, n.3, pp.791-796. ISSN 0717-9502.

The radial artery (RA) is used in medical practiceto performdifferentsurgical procedures, of which most realized is the coronary artery bypass graftsurgery. In the current literature there is little information about the compatibility of this artery with other vascular conduits. Therefore the aim of this study was to determine the anatomical, morphometric and distribution characteristics of radial artery on the forearm. Radial artery was dissected from the forearms of 10 embalmed cadavers, muscular branches and vasa nervorum were identified and registered, total length was measured. Three samples of each artery were obtained(proximal, middle and distal) to be processedby histological techniques and to determinethe thickness of its tunica mediaand its diameters. The results show a mode of 8 arterial branches to the brachioradialis, a mode of 4 for thesuperficial flexor muscles of the fingers and flexor carpi radialis, we found an unique arterial branch to the pronator quadratus and a mode of 1 vasa nervorum of superficial branch of radial nerve. The total length of the artery was 21.94 cm (± 3.34). The vascular wall thickness we found were 196.16 mm (±72.35), 148.25 mm (±40.40) and 158.96 mm (±45.74) in the proximal, middleand distal segments respectively. The luminal diameters showed an average of 1.48 mm (±0.70) in the proximal region, 1.01 mm (±0.35) in the middle region and 1.43 mm (±0.47) in the distal region. In the present study we concludedthat considering the morphometric characteristics, the radial artery is an option that satisfied the criteria of length, thickness and luminal diameterto be used as a graft in the coronary artery bypass graft surgery.

Palabras clave : Morphometry; Radial artery; Coronary artery bypass grafting.

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