Indian Journal of Forensic Medicine & Toxicology

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Aortic Arch Variations: Embryological Basis and Surgical Correlation


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1 Department of Anatomy, Subharti Medical College, Delhi-Haridwar By Pass Road, Meerut (U.P.), India
     

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Branching patterns of the aortic arch were studied in 60 formalin fixed cadavers of both sexes of Indian origin, aged 40-70. The dissections were carried out and the aortic arch variations were observed after exposing the thoracic and cervical region during routine dissection for undergraduate M.B.B.S. students in Subharti Medical College, Meerut. The usual three branched aortic arch was found in 57 cadavers. Variations were found in 3 cadavers. Variations include common trunk of origin for brachiocephalic trunk and left common carotid artery, left vertebral artery arising directly from arch of aorta and brachiocephalic trunk arising from left side of aortic arch. In the present study the variations are discussed along with embryological basis and surgical correlation. Sometime these variations are merely observed as autopsy findings.

Keywords

Aortic Arch, Left Common Carotid Artery, Vertebral Artery, Brachiocephalic Trunk
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  • Aortic Arch Variations: Embryological Basis and Surgical Correlation

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Authors

Virendra Budhiraja
Department of Anatomy, Subharti Medical College, Delhi-Haridwar By Pass Road, Meerut (U.P.), India
Rakhi Rastogi
Department of Anatomy, Subharti Medical College, Delhi-Haridwar By Pass Road, Meerut (U.P.), India

Abstract


Branching patterns of the aortic arch were studied in 60 formalin fixed cadavers of both sexes of Indian origin, aged 40-70. The dissections were carried out and the aortic arch variations were observed after exposing the thoracic and cervical region during routine dissection for undergraduate M.B.B.S. students in Subharti Medical College, Meerut. The usual three branched aortic arch was found in 57 cadavers. Variations were found in 3 cadavers. Variations include common trunk of origin for brachiocephalic trunk and left common carotid artery, left vertebral artery arising directly from arch of aorta and brachiocephalic trunk arising from left side of aortic arch. In the present study the variations are discussed along with embryological basis and surgical correlation. Sometime these variations are merely observed as autopsy findings.

Keywords


Aortic Arch, Left Common Carotid Artery, Vertebral Artery, Brachiocephalic Trunk

References