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KMID : 0191120150300091302
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Journal of Korean Medical Science
2015 Volume.30 No. 9 p.1302 ~ p.1307
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Evaluation of the Forearm Dominancy Artery for Invasive Vascular Procedure with 3D-CT Angiography
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Ki Sae-Hwi
Choi Jong-Hwan
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Abstract
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The aim of this study was to evaluate the vascular dominance in the forearm as a factor in determining the choice of invasive vascular procedures in arteries of the forearm, using 3D-computerized tomography (3D-CT) angiographies of 92 forearms. The diameters of the ulnar and radial arteries were measured just distal to the bifurcation of the brachial artery, at the midpoint between the bifurcation and the wrist, and at the wrist crease. In 79 cases, the ulnar artery was larger than the radial artery after the bifurcation of the brachial artery. However, no statistically significant difference was observed at either the mid-forearm or the wrist crease. In the remaining 13 cases, the diameter of the radial artery was larger or the same as that of the ulnar artery after the bifurcation, but at the more distal sites no regular pattern could be detected. The findings suggest that 3D-CT angiography offers valuable preoperative details of the forearm vessels for cases requiring invasive vascular procedures on the forearm.
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KEYWORD
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Radial Artery, Ulnar Artery, Vascular Dominance, 3D-CT Angiography
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