Accuracy and utility of three-dimensional contrast-enhanced magnetic resonance angiography in planning carotid stenting Carlos H. Timaran, MD, Eric B.

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Presentation transcript:

Accuracy and utility of three-dimensional contrast-enhanced magnetic resonance angiography in planning carotid stenting Carlos H. Timaran, MD, Eric B. Rosero, MD, R. James Valentine, MD, J. Gregory Modrall, MD, Stephen Smith, MD, G. Patrick Clagett, MD Journal of Vascular Surgery Volume 46, Issue 2, Pages 257-264 (August 2007) DOI: 10.1016/j.jvs.2007.03.051 Copyright © 2007 The Society for Vascular Surgery Terms and Conditions

Fig 1 Scatter plots of the percentage (%) of carotid stenosis using North American Symptomatic Carotid Endarterectomy criteria for contrast-enhanced magnetic resonance angiography (CE-MRA) vs digital subtraction angiography (DSA) revealed significant correlation (Spearman ρ = 0.76; 95% confidence interval, 0.63 to 0.85; P < .001). The dashed lines indicate 95% confidence limits; the solid line is the line of equality. Journal of Vascular Surgery 2007 46, 257-264DOI: (10.1016/j.jvs.2007.03.051) Copyright © 2007 The Society for Vascular Surgery Terms and Conditions

Fig 2 Bland-Altman plots reveal good agreement between measurement methods even though contrast-enhanced magnetic resonance angiography (CE-MRA) measured a lower percentage of carotid stenosis (dashed lines indicate 95% confidence limits; solid line, bias) than digital subtraction angiography (DSA). Journal of Vascular Surgery 2007 46, 257-264DOI: (10.1016/j.jvs.2007.03.051) Copyright © 2007 The Society for Vascular Surgery Terms and Conditions