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Aortic aneurysms in patients with Takayasu's arteritis: CT evaluation
E Sueyoshi1, I Sakamoto, K Hayashi
1Department of Radiology, Omura Municipal Hospital, Kogashima-chou 133-22, Omura 856-0817, Japan.
AJR. American Journal of Roentgenology
|November 25, 2000
Summary
Aortic aneurysms are common in Takayasu
Area of Science:
- Vascular Medicine
- Radiology
- Rheumatology
Background:
- Takayasu's arteritis is a rare inflammatory condition affecting large arteries.
- Aortic involvement is a significant complication, but aneurysm development is not well-characterized.
Purpose of the Study:
- To determine the incidence, progression, and outcomes of aortic aneurysms in patients with Takayasu's arteritis using CT imaging.
Main Methods:
- Retrospective review of 31 Takayasu's arteritis patients diagnosed between 1990-1999.
- Mean follow-up of 52.9 months with serial CT scans.
- Analysis of aneurysm incidence, development, and rupture based on CT findings.
Main Results:
- Aortic aneurysms were found in 45.2% of patients.
- Lower incidence of aneurysms in patients with severe aortic calcification.
- Aneurysms developed or enlarged during follow-up; three rapidly enlarged and ruptured, associated with aortic wall thickening.
Conclusions:
- Aortic aneurysms are a frequent complication of Takayasu's arteritis.
- Aorta with less calcification is more prone to aneurysm formation.
- Aortic aneurysms with wall thickening carry a risk of fatal rupture.