Jornal Vascular Brasileiro | |
Anatomical organization of aortic arch variations in the India: embryological basis and review | |
Soubhagya R. Nayak1  Mangala M. Pai1  Latha V. Prabhu1  Sujatha D'costa1  Prakash Shetty1  | |
[1] ,Kasturba Medical College Centre for Basic Sciences Department of AnatomyKarnataka,India | |
关键词: Aortic arch; vertebral artery; brachiocephalic trunk; variations; Arco aórtico; artéria vertebral; tronco braquiocefálico; variações; | |
DOI : 10.1590/S1677-54492006000200004 | |
来源: SciELO | |
【 摘 要 】
OBJECTIVES: To determine the percentage and type of aortic arch variations in Indian subjects and their clinical and surgical importance and embryological basis. PATIENTS AND METHOD: In our investigation, branching patterns of the aortic arch were studied in 62 formalin-fixed cadavers of both sexes of Indian origin, aged 45-79. The dissections were carried out in formalin-preserved cadavers and the aortic arch variations were observed after exposing the thoracic and cervical region during routine dissection of undergraduate students of Indian origin in Kasturba Medical College, Mangalore. RESULTS: The usual three-branched aortic arch was found in 56 cadavers (91.4%); variations were found in six cadavers (9.6%); 4.8% presented common origin of the carotid arteries; 1.6% had bi-innominate sequence, and the same specimen had left coronary artery arising from arch of aorta directly; 1.6% presented right subclavian artery arising directly from the aorta; 1.6% had left vertebral artery a branch of aortic arch. Five out of six cadavers with anomalous aortic arch branching pattern were females. One male cadaver presented anomalous origin of left vertebral artery directly from the arch. CONCLUSION: The wide spectrum of variations in the anatomical arrangements of the aortic arch branches in the Indian population was at par with other populations of the world. Although anomalous origins of the aortic arch branches are merely anatomic variants, accurate information about them is vital for vascular surgery in the thorax, head and neck region.
【 授权许可】
CC BY
All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License
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