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[Comment] Should we screen women for abdominal aortic aneurysm?

In The Lancet, Michael Sweeting and colleagues1 report their estimate of the benefits, harms, and cost-effectiveness of screening women for abdominal aortic aneurysm (AAA) based upon their modelling study. A discrete event simulation model was set up and women-specific parameters were obtained from systematic literature reviews, national registry or administrative databases, major AAA surgery trials, and UK National Health Service reference costs. By use of the same screening strategy as used for men (age 65 years; 3·0 cm cutoff for diagnosis; 5·5 cm cutoff for surgery), there were three fewer AAA-related deaths, ten women overdiagnosed with AAA, and one woman overtreated for AAA per 10 000 invited over a 30-year period.