Screening asymptomatic men over the age of 65 for abdominal aortic aneurysm using ultrasound reduced mortality from related causes by about 50% over the course of 13 to 15 years, according to a study published in the Annals of Internal Medicine. The screenings resulted in fewer emergency surgeries, more elective surgeries and fewer 30-day operative deaths. However, overall mortality was unchanged, and the usefulness of conducting mass screenings or targeted screenings is yet to be determined.

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