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KMID : 1001920080440020078
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Journal of Korean Neurosurgical Society
2008 Volume.44 No. 2 p.78 ~ p.83
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A Morphometric Study on Cadaveric Aortic Arch and Its Major Branches in 25 Korean Adults : The Perspective of Endovascular Surgery
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Shin Il-Young
Chung Yong-Gu
Shin Won-Han
Im Soo-Bin
Hwang Sun-Chul
Kim Bum-Tae
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Abstract
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Objective : To understand the anatomic characteristics of the aortic arch (AA) and its major branches to build a foundation toward performing endovascular surgery safely.
Methods : A total of 25 formalin fixed Korean adult cadavers were used. The authors investigated : anatomical variations of the AA and its major branches; curvature of the AA; distance from the mid-vertebrae line to the origin of the major branches; distances from the origin of the major branches of AA to the origin of its distal branches; and the angle of the three major branches, the brachiocephalic trunk (BCT), the left common carotid artery (LCCA) and the left subclavian artery (LSCA) arising from AA.
Results : The three major branches directly originated from AA in 21 (84%) of the cadavers. In two (8%) of remaining four cadavers, orifice of LCCA was slightly above the stem of BCT. In remaining two (8%) cadavers, the left vertebral artery (LVA) was directly originated from AA. Average angle of AA curvature to the coronal plane was 62.2 degrees. BCT originated 0.92 mm on the right of the mid-vertebrae line. LCCA and LSCA originated from 12.3 mm and 22.8 mm on the left of the mid-vertebrae line. Mean distance from the origin of the BCT to the origin of the RCCA was 32.5 mm. Mean distance from the origin of the LSCA to the origin of the LVA was 33.8 mm. Average angles at which the major branches arise from the AA were 65.3, 46.9 and 63.8 degrees.
Conclusion : This study may provides a basic anatomical information to catheterize AA and its branches for safely performing endovascular surgery.
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KEYWORD
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Aorta, Cadaver, Brachiocephalic trunk, Common carotid artery, Subclavian artery, Atherectomy
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