Key result
The pooled mean growth rate of small abdominal aortic aneurysms (3.0-5.5 cm) was 2.32 mm/year (95% CI 1.95-2.70), with significant heterogeneity and faster growth observed at larger diameters.
Why the study?
What is the growth rate of small abdominal aortic aneurysms (3.0-5.5 cm) to inform ultrasound surveillance intervals?
Population
15 studies including 7,630 people with small abdominal aortic aneurysms 3.0-5.5 cm in diameter, enrolled…
Design
Meta-analysis
Authors
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May inform diameter-based surveillance adjustments; leaves open optimal intervals pending updated prospective data.
Meta-Analysis (n=7,630)
What is the growth rate of small abdominal aortic aneurysms (3.0-5.5 cm) to inform ultrasound surveillance intervals?
Effect estimate: 2.32 mm/year (95% CI 1.95-2.70)
Small abdominal aortic aneurysms grow at a pooled mean rate of 2.32 mm/year, with growth accelerating as the aneurysm diameter increases, highlighting the need for tailored surveillance intervals.
Powell et al. (2011) conducted a meta-analysis in Small abdominal aortic aneurysms (n=7,630). Small abdominal aortic aneurysms was evaluated on Pooled mean growth rate (2.32 mm/year, 95% CI 1.95-2.70). The pooled mean growth rate of small abdominal aortic aneurysms (3.0-5.5 cm) was 2.32 mm/year (95% CI 1.95-2.70), with significant heterogeneity and faster growth observed at larger diameters.
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