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Anat Cell Biol

Published online July 30, 2020

https://doi.org/10.5115/acb.20.048

Copyright © Korean Association of ANATOMISTS.

Variation in the vertebral levels of the origins of the abdominal aorta branches: a retrospective imaging study

Jehad Fataftah1 , Justin Z. Amarin2 , Haya H. Suradi2 , Maher T. Hadidi3 , Amjad T. Shatarat4 , Abdel Rahman A. Al Manasra5 , Samah Shahin6 , Darwish H. Badran4

1Department of Internal and Family Medicine, Faculty of Medicine, The Hashemite University, Zarqa, 2School of Medicine, The University of Jordan, Amman, 3Faculty of Medicine, Al-Balqa’ Applied University, Al-Salt, 4Department of Anatomy and Histology, School of Medicine, The University of Jordan, Amman, 5Department of General Surgery and Urology, Faculty of Medicine, Jordan University of Science and Technology, Irbid, 6Prince Hamzah Hospital, Amman, Jordan

Correspondence to:Darwish H. Badran
Department of Anatomy and Histology, School of Medicine, The University of Jordan, Queen Rania Al-Abdullah Street, Amman 11942, Jordan
E-mail: dhbadran@ju.edu.jo

Received: March 8, 2020; Revised: June 2, 2020; Accepted: June 8, 2020

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Our aim was to investigate the variation in the vertebral levels of the origins of the celiac artery, superior and inferior mesenteric arteries, paired renal arteries, and common iliac arteries. We conducted a retrospective imaging study in a large public secondary hospital on a nonrandom sample of 227 participants. We consecutively included adult patients who had undergone computed tomography angiography of the abdomen and excluded patients with a history of any vertebral abnormality or whose images revealed evidence of a vertebral abnormality or a congenital anomaly of any of the branches of the abdominal aorta. The primary outcome was the frequency distribution of the vertebral levels of the landmarks. The secondary outcomes were the intercorrelations of the vertebral levels of the landmarks and their relationships with age, sex, weight, height, and body mass index. The celiac artery originated at T11/T12–L1/L2, followed by the superior mesenteric artery at T12–L2, the paired renal arteries at T12/L1–L2/L3, the inferior mesenteric artery at L2–L4, and the common iliac arteries at L3–L5. The vertebral levels of the landmarks were positively intercorrelated and stronger between proximate pairs. In addition, the vertebral levels of the landmarks were related to age, but not sex, weight, height, or body mass index. The intercorrelations suggest that a considerable proportion of the variation is accounted for by ‘trickle-down’ variation; variation in the vertebral level of a proximal landmark results in variation in the vertebral level of the immediate distal landmark. The overarching parameter remains unidentified.

Keywords: Abdominal aorta, Anatomy, Anatomic variation, Anatomic landmarks, Computed tomography angiography

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