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Published online before print December 10, 2001, 10.1148/radiol.2222010371
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(Radiology 2002;222:560-563.)
© RSNA, 2002

Technical Developments

Carotid Disease: Automated Analysis with Cardiac-gated Three-dimensional US—Technique and Preliminary Results1

Sandy Napel, PhD, Haobo Xu, MS, David S. Paik, MS, Barbra A. Ross, MD, Thilaka S. Sumanaweera, PhD, John A. Hossack, PhD and R. Brooke Jeffrey, Jr, MD

1 From the Departments of Radiology (S.N., B.A.R., R.B.J.), Applied Physics (H.X.), and Medicine (D.S.P.), Stanford University School of Medicine, Lucas Magnetic Resonance Imaging and Spectroscopy [MRS] Center P-287, Stanford, CA 94305-5488; Acuson, Mountain View, Calif (T.S.S.); and Department of Biomedical Engineering, University of Virginia, Charlottesvile (J.A.H.). From the 2000 RSNA scientific assembly. Received January 29, 2001; revision requested March 7; revision received June 29; accepted July 16. Supported in part by a grant from Acuson. B.A.R. supported by the 1998 Cesare Gianturco/RSNA Fellow Support by the Cook Group. Address correspondence to S.N. (e-mail: snapel@stanford.edu).

Automatic analysis was performed of four-dimensional ultrasonographic (US) data in the carotid artery. The data, which were acquired in 31 subjects (eight healthy volunteers and 23 patients) by using a US scanner fitted with a special probe, were successfully processed. Acquisition time averaged 12 minutes. Data for all healthy volunteers (n = 8) and patients with complete occlusions (n = 3) were correctly classified. Data for two of the 12 patients with mild to severe (but not occlusive) disease were misclassified by one category.

Index terms: Carotid arteries, flow dynamics, 172.12984 • Carotid arteries, stenosis or obstruction, 172.721 • Carotid arteries, US, 172.12983, 172.12984






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