Men with a small or medium abdominal aortic aneurysm detected on screening had low risk for rupture and should be monitored but not referred for repair, researchers wrote in Circulation.
The researchers analyzed 18,652 men identified by the United Kingdom’s National Health Service AAA Screening Programme as having a small AAA, defined as a diameter of 3 cm to 4.4 cm, or a medium AAA, defined as a diameter of 4.5 cm to 5.4 cm. Current guidelines recommend AAA repair only for AAA of 5.5 cm or larger.
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