Controversy continues over carotid artery ultrasound screenings in asymptomatic patients as the U.S. Preventive Services Task Force undertakes a review of the diagnostic test. The panel recommended against screening asymptomatic patients in 2007. The concern is that carotid artery ultrasound could lead to a "cascade" of unnecessary tests or procedures that might induce harm, according to the USPSTF's Dr. Michael LeFevre. However, proponents of the screening say it saves lives, and conservative management is used prior to more invasive, risk-associated procedures.
Published in Brief: