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November 1979, Vol 114, No. 11 >

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ARTICLE | November 1979

Noninvasive Diagnosis of Extracranial Carotid Arterial Disease:  A 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. doi:10.1001/archsurg.1979.01370350024002.
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• 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)

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