Published online before print September 18, 2003, 10.1148/radiol.2292030516
Carotid Artery Stenosis: Gray-Scale and Doppler US DiagnosisSociety of Radiologists in Ultrasound Consensus Conference1
Edward G. Grant, MD,
Carol B. Benson, MD,
Gregory L. Moneta, MD,
Andrei V. Alexandrov, MD, RVT,
J. Dennis Baker, MD,
Edward I. Bluth, MD,
Barbara A. Carroll, MD,
Michael Eliasziw, PhD,
John Gocke, MD, MPH, RVT,
Barbara S. Hertzberg, MD,
Sandra Katanick, RN, RVT,
Laurence Needleman, MD,
John Pellerito, MD,
Joseph F. Polak, MD,
Kenneth S. Rholl, MD,
Douglas L. Wooster, MD, RVT and
R. Eugene Zierler, MD
1 From the Dept of Radiology, Univ of Southern California, Keck School of Medicine, USC University Hospital, 1500 San Pablo St, Los Angeles, CA 90033 (E.G.G.); Dept of Radiology, Brigham and Womens Hosp, Harvard Med School, Boston, Mass (C.B.B., J.F.F.); Dept of Surgery, Oregon Health and Science Univ, Portland, Ore (G.L.M.); Cerebrovascular Ultrasound and Stroke Treatment Team, Univ of Texas Houston Med School (A.V.A.); Dept of Surgery, West Los Angeles VA Med Ctr, Calif (J.D.B.); Dept of Radiology, Ochsner Clinic, New Orleans, La (E.I.B.); Dept of Radiology, Duke Univ Med School, Durham, NC (B.A.C., B.S.H.); Dept of Biostatistics, Univ of Calgary, Alberta, Canada (M.E.); Midwest Heart Specialists Vascular Lab and La Grange Memorial Vascular Laboratory, Downers Grove, Ill (J.G.); Intersocietal Accreditation Commission, Columbia, Md (S.K.); Dept of Radiology, Thomas Jefferson Univ, Philadelphia, Pa (L.N.); Dept of Radiology, North Shore Univ Hosp, New York Univ School of Med, NY (J.P.); Dept of Radiology, Inova Alexandria Hosp, Va (K.S.R.); Dept of Surgery, Univ of Toronto, Ontario, Canada (D.L.W.); and Dept of Surgery, Univ of Washington Med School, Seattle (R.E.Z.). Received Apr 1, 2003; revision requested May 7; revision received May 21; accepted May 22. Address correspondence to E.G.G. (e-mail: edgrant@usc.edu).

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Graph demonstrates the relationship between mean PSV and percentage of stenosis as measured arteriographically. PSV increases with increasing severity of stenosis. Note marked overlap in adjacent categories of stenosis. Error bars = 1 SD about the mean. (Reprinted, with permission, from reference 18.)
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Copyright © 2003 by the Radiological Society of North America.