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Chapter 10 - The abdominal aorta and abdominal aortic aneurysms

Published online by Cambridge University Press:  05 February 2012

Mazyar Kanani  and
Leanne Harling
Mazyar Kanani
Affiliation:
Children's Hospital, Pittsburgh
Leanne Harling
Affiliation:
Department of Surgery and Cancer, Imperial College London
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Summary

What is the commonest site of aneurysm formation?

Prior to the discovery of penicillin, the most common type of aortic aneurysm was of the aortic arch secondary to syphilis. However, in modern practice the infrarenal abdominal aorta (see Figure 10.1) is the most commonly affected. The most common peripheral aneurysmal artery is the popliteal artery.

How may aneurysmal dilatation of the aorta be classified?

By convention, aortic aneurysms are divided into:

  1. Ascending and descending thoracic aortic aneurysms (TAA),

  2. Thoraco-abdominal aortic aneurysms,

  3. Suprarenal aortic aneurysms (involving the renal arteries, coeliac axis and the superior mesenteric artery – the visceral segment),

  4. Juxtarenal aortic aneurysms (the aneurysm starts below the renal arteries, but necessitates clamping above them),

  5. Infrarenal aortic aneurysms.

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Information
MRCS Revision Guide: Trunk and Thorax , pp. 74 - 79
Publisher: Cambridge University Press
Print publication year: 2012

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