Why the study?
Does ultrasonography provide accurate and repeatable measurements of small abdominal aortic aneurysms compared to computed tomography?
Population
10 patients with small (3-6 cm by computed tomography) infrarenal abdominal aortic aneurysm
Comparison
Ultrasonography for aortic diameter measurement vs Computed tomography
Design
Cross-sectional
Authors
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Supports caution using ultrasonography alone for small AAA surveillance; leaves open standardized CT-ultrasound protocols in prospective studies.
Does ultrasonography provide accurate and repeatable measurements of small abdominal aortic aneurysms compared to computed tomography?
Ultrasonography has significant limitations in the surveillance of small abdominal aortic aneurysms, with accuracy commonly only within 8 mm compared to CT.
Ellis et al. (1991) studied this question.
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