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Common carotid artery peak systolic velocity ratio predicts high-grade common carotid stenosis  George T. Pisimisis, MD, Dimitrios Katsavelis, PhD, Taher.

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Presentation on theme: "Common carotid artery peak systolic velocity ratio predicts high-grade common carotid stenosis  George T. Pisimisis, MD, Dimitrios Katsavelis, PhD, Taher."— Presentation transcript:

1 Common carotid artery peak systolic velocity ratio predicts high-grade common carotid stenosis 
George T. Pisimisis, MD, Dimitrios Katsavelis, PhD, Taher Mandviwala, MS, Neal R. Barshes, MD, MPH, Panagiotis Kougias, MD  Journal of Vascular Surgery  Volume 62, Issue 4, Pages (October 2015) DOI: /j.jvs Copyright © Terms and Conditions

2 Fig 1 Examples of common carotid artery (CCA) stenosis with respective inter-CCA peak systolic velocity (PSV) ratio for each group. A, Left CCA mid stenosis 60%, spectrum broadening, ratio = 2.27 (left, 142 cm/s; right, 62.5 cm/s). B, Left CCA origin stenosis 70%, dampened waveform, ratio = 2.12 (right, 85.6 cm/s; left, 40.4 cm/s). The long arrow indicates left CCA stenosis. EDV, End-diastolic velocity. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © Terms and Conditions

3 Fig 2 Quadratic regression analysis of common carotid artery (CCA) stenosis and inter-CCA peak systolic velocity (PSV) ratios for group A. A, Unilateral. B, Unilateral subgroups. C, Differential. D, Differential subgroups. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © Terms and Conditions

4 Fig 3 Receiver operating characteristic (ROC) curves for detection of common carotid artery (CCA) stenosis A, Unilateral ≥50%. B, Unilateral ≥80%. C, Differential ≥50%. D, Differential ≥80%. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © Terms and Conditions

5 Fig 4 Diagnostic algorithm implementing the inter-common carotid artery (CCA) peak systolic velocity (PSV) ratio in the vascular laboratory. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © Terms and Conditions

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