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e-CASES: Normal Adult Aortic Diameters - Anatomy of the aorta

Dr Antoine Micheau

Normal Adult Aortic Diameters

Diameters of the thoracic aorta

1- Aortic Annulus Diameter : 2.30 cm

2- Aortic valve sinus : 2.98 ± 0.46 cm

3- Ascending aorta : 3.09 ± 0.41 cm

4- Proximal to the brachiocephalic trunk: 2.94 ± 0.42 cm

5- Proximal transverse arch : 2.77 ± 0.37 cm

6- Distal transverse arch : 2.61 ± 0.41 cm

7- Isthmus : 2.47 ± 0.40 cm

8- Diaphragm : 2.43 ± 0.35 cm

 

Diameters of the abdominal aorta

9- Superior mesenteric artery: 2.13 ±0.29 cm

10- Midpoint: 1.93 ± 0.25 cm

11- Bifurcation : 1.86 ± 0.22 cm

12- Common iliac artery: 1.04± 0.19 cm

 

Note : The diameter of the aorta increases with age and is larger in men

 

Referencies:

 

Hager, Alfred, Kaemmerer, Harald, Rapp-Bernhardt, Ulrike, Blucher, Sebastian, Rapp, Karl, Bernhardt, Thomas M., Galanski, Michael, Hess, John

Diameters of the thoracic aorta throughout life as measured with helical computed tomography

J Thorac Cardiovasc Surg 2002 123: 1060-1066

 

The epidemiology of abdominal aortic diameter

Matthew A. Allison, Kevin Kwan, Dominic DiTomasso, C. Michael Wright, Michael H. Criqui

Journal of Vascular Surgery - July 2008 (Vol. 48, Issue 1, Pages 121-127, DOI: 10.1016/j.jvs.2008.02.031)

Diagnosis

Anatomy of the aorta



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