Is aortic dilatation an atherosclerosis-related process?
Clinical, laboratory, and transesophageal echocardiographiccorrelates of thoracic aortic dimensions in the populationwith implications for thoracic aortic aneurysm formation
Yoram Agmon, MD*,
Bijoy K. Khandheria, MD*,*,
Irene Meissner, MD
,
Gary L. Schwartz, MD
,
JoRean D. Sicks, MS
,
Angela J. Fought, BS
,
W. Michael O'Fallon, PhD
,
David O. Wiebers, MD
and
A. Jamil Tajik, MD*
* Division of Cardiovascular Diseases and Internal Medicine, Rochester, Minnesota, USA
Department of Neurology, Rochester, Minnesota, USA
Division of Hypertension and Internal Medicine, Rochester, Minnesota, USA
Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, USA

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Figure 1 The four sites where the dimensions of the thoracic aorta were measured.
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Figure 2 Transesophageal echocardiographic image of the mid-descending thoracic aorta, demonstrating measurements of the aortic diameter (vertical- dashed arrow) and plaque thickness (solid-line arrow). Note that for measurements of the aortic lumen diameter, atherosclerotic plaques were included within the lumen.
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Figure 3 Aortic dimensions as a function of age, separately for men and women, at the four thoracic aortic sites.
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Copyright © 2003 by the American College of Cardiology Foundation.