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Noninvasive Imaging and Frequency Analysis for Carotid Artery Diagnosis and Surgical Decisions

Department of Surgery, Veterans Administration Medical Center, Quillen-Dishner College of Medicine, East Tennessee State University, Johnson City, Tennessee

James Broach

Department of Surgery, Veterans Administration Medical Center, Quillen-Dishner College of Medicine, East Tennessee State University, Johnson City, Tennessee

An analysis of 212 carotid arteries studied by Doppler imaging, B-mode imaging, and spectral analysis reveals poor correlation though similarity of data base by chi-square and gamma is strong. The differences between arteriogra phy and the noninvasive techniques appear mainly in the categories of normal and > 50% stenosis. Arteriography classifies more patients as normal and non invasives classify more patients as > 50% by a ratio of 2:1. Noninvasive studies can be used to verify the findings using multiple techniques without risk and correlate best with operative findings. Evidence indicates that multimodality noninvasive studies are a reliable way of diagnosing carotid bifurcation disease and may be used in place of arteriography.

Vascular and Endovascular Surgery, Vol. 24, No. 3, 161-166 (1990)
DOI: 10.1177/153857449002400303


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