Population
370 residents of Rochester, Minn., with an abdominal aortic aneurysm initially diagnosed from 1951 through…
Design
Cohort
Follow-up
5 to 10 years
Authors
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May support surveillance for AAAs <5 cm; leaves open optimal intervention thresholds pending prospective validation.
Abdominal aortic aneurysms expand slower than previously thought and have a very low 5-year rupture risk if <5 cm, but a substantial 25% risk if ≥5 cm.
Nevitt et al. (1989) studied this question.
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