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Aortic aneurysm and dissection: evaluation with spiral CT angiography
U K Sharma1, M S Gulati, S Mukhopadhyay
1AIIMS, New Delhi. druksharma@hotmail.com
JNMA; Journal of the Nepal Medical Association
|August 6, 2005
Summary
Spiral CT angiography (CTA) is highly effective for evaluating aortic aneurysms, dissections, and pseudoaneurysms. This imaging technique provides comprehensive assessment, proving superior to other methods in diagnosing these aortic conditions.
Area of Science:
- Cardiovascular Imaging
- Radiology
- Medical Diagnostics
Background:
- Aortic diseases like aneurysm, dissection, and pseudoaneurysm require accurate imaging for diagnosis and management.
- Conventional imaging methods have limitations in providing comprehensive aortic evaluation.
Purpose of the Study:
- To assess the diagnostic utility of spiral CT angiography (CTA) for evaluating aortic aneurysm, aortic dissection, and pseudoaneurysm.
- To compare the effectiveness of CTA with other imaging modalities and surgical findings.
Main Methods:
- A study included 28 patients with diagnosed aortic conditions: 19 with aneurysm, 5 with dissection, and 4 with pseudoaneurysm.
- CTA findings were compared against ultrasonography (14 patients), digital subtraction angiography (DSA) (14 patients), MRI (9 patients), and surgical findings (12 patients).
Main Results:
- CTA demonstrated excellent capability in the comprehensive evaluation of aortic aneurysm, dissection, and pseudoaneurysm.
- The modality effectively combined axial imaging with 3D reformatted angiographic views for detailed assessment.
Conclusions:
- Spiral CT angiography is an excellent imaging modality for the thorough evaluation of aortic pathologies.
- CTA offers combined advantages of conventional CT and angiography, enhancing diagnostic accuracy for complex aortic conditions.