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Noninvasive Diagnosis of Extracranial Carotid Arterial DiseaseA Prospective Evaluation of Pulsed-Doppler Imaging and Oculoplethysmography
David S. Sumner, MD;
James B. Russell, BS;
Don E. Ramsey, MD;
Waleed M. Hajjar, MS;
Richard D. Miles, PhD
Arch Surg. 1979;114(11):1222-1229.
Abstract
• Two hundred consecutive internal carotid arteries were examined with the Hokanson-pulsed Doppler ultrasonic arteriograph (UA) and the Kartchner-McCrae oculoplethysmograph (OPG). Roentgenographic studies were used to assess the relative accuracy of these two noninvasive tests. Diameter stenoses estimated from the UA and roentgenographic images agreed within ± 20% in 81% of the studies. The UA detected 61% of all stenoses of 20% to 39% and 89% of all stenoses greater than 40%. A sensitivity of 86% and a specificity of 90% were achieved with the UA compared with a sensitivity of 64% and a specificity of 85% with the OPG. When the UA and OPG agreed (67% of the vessels), the sensitivity was 95% and the specificity was 94%. When they disagreed, the UA was the better test having a sensitivity of 81% compared with 21% with the OPG.
(Arch Surg 114:1222-1229, 1979)
Author Affiliations
From the Department of Surgery (Drs Sumner, Ramsey, Miles, and Mr Russell), Southern Illinois University School of Medicine, St John's Hospital, Springfield, Ill, and the Department of Surgery (Mr Hajjar) University of Massachusetts Medical Center, Worcester, Mass.
Footnotes
Accepted for publication July 19, 1979.
Read before the 27th scientific meeting of the International Cardiovascular Society, Nashville, Tenn, June 28, 1979.
Reprint requests to St John's Hospital, 800 E Carpenter St, Springfield, IL 62702 (Dr Sumner).
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