Diagnosis of internal carotid artery stenosis greater than 70% with power Doppler duplex sonography

M Koga, K Kimura, K Minematsu… - American journal of …, 2001 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Duplex sonography is an effective tool for evaluating
internal carotid artery (ICA) stenosis, and power Doppler imaging has improved its value in …

Sonographic NASCET index: a new doppler parameter for assessment of internal carotid artery stenosis

GM Hathout, JR Fink, SM El-Saden… - American journal of …, 2005 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Established Doppler parameters for carotid stenosis
assessment do not reflect North American Symptomatic Carotid Endarterectomy Trial …

Power Doppler imaging of carotid artery stenosis: comparison with color Doppler flow imaging and angiography

W Steinke, S Ries, N Artemis, A Schwartz, M Hennerici - Stroke, 1997 - Am Heart Assoc
Background and Purpose Power Doppler imaging (PDI) is a new sonographic technique
that has recently been introduced for vascular application. Since the technical principles of …

[PDF][PDF] Overestimation of a stenosis in the internal carotid artery by duplex sonography caused by an increase in volume flow

KJ Van Everdingen, J Van der Grond… - Journal of vascular …, 1998 - core.ac.uk
Purpose: The accuracy of duplex sonography in predicting the degree of an internal carotid
artery (ICA) stenosis is decreased when a contralateral high-grade stenosis or occlusion is …

Determination of duplex Doppler ultrasound criteria appropriate to the North American symptomatic carotid endarterectomy trial

JP Carpenter, FJ Lexa, JT Davis - Stroke, 1996 - Am Heart Assoc
Background and Purpose The North American Symptomatic Carotid Endarterectomy Trial
(NASCET) demonstrated the benefit of carotid endarterectomy for symptomatic patients …

Effect of Doppler angle in diagnosis of internal carotid artery stenosis

M Tola, M Yurdakul - Journal of ultrasound in medicine, 2006 - Wiley Online Library
Objective. The purpose of this study was to compare velocity measurements obtained with 2
fixed insonation angles and to investigate whether there is a difference in their ability in …

Ability to use duplex US to quantify internal carotid arterial stenoses: fact or fiction?

EG Grant, AJ Duerinckx, SM El Saden, ML Melany… - Radiology, 2000 - pubs.rsna.org
PURPOSE: To determine if duplex ultrasonography (US) can help predict the degree of
internal carotid arterial (ICA) stenosis. MATERIALS AND METHODS: ICA peak systolic …

Transcranial color-coded duplex sonography for detection of distal internal carotid artery stenosis

J Valaikiene, G Schuierer, B Ziemus… - American journal …, 2008 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Gradation of high-grade intracranial internal carotid artery
(ICA) stenosis poses a challenge to noninvasive neurovascular imaging, which seems …

Grading of internal carotid artery stenosis: validation of Doppler/duplex ultrasound criteria and angiography against endarterectomy specimen

HH Eckstein, R Winter, M Eichbaum, K Klemm… - European journal of …, 2001 - Elsevier
Objectives duplex ultrasound has replaced angiography prior to carotid endarterectomy
(CEA) in many institutions. However, the indications for CEA are based on angiographically …

The importance of Doppler angle of insonation on differentiation between 50–69% and 70–99% carotid artery stenosis

K Logason, T Bärlin, ML Jonsson, A Boström… - European Journal of …, 2001 - Elsevier
Aim to investigate the importance of Doppler angle differentiating between 50–69% and≥
70% internal carotid artery (ICA) stenosis. Material and methods fifty-one patients with a …