Background and Purpose—Although clinically important, proper assessment of intracranial
arterial collateral pathways by transcranial color-coded duplex sonography (TCCD) in …

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 …

ABSTRACT BACKGROUND AND PURPOSE Extracranial internal carotid artery stenoses
(ICASs) may greatly differ with respect to morphological and hemodynamical aspects. The …

Background and Purpose Transcranial Doppler (TCD) is often used in conjunction with
carotid duplex ultrasonography (CDUS) to evaluate the hemodynamic significance of …

Background and Purpose Echo contrast agents have been shown to provide conclusive
examinations in most patients with insufficient ultrasound penetration through the temporal …

Background There are contradictory reports concerning the validity of transcranial
sonography (TCD and TCCS) for examinations of the basilar artery. Here we investigated …

Background Cerebrovascular diseases are among the most frequent diseases of the central
nervous system. There are several diagnostic methods for cerebral blood vessels …

The aim of this study was to assess extra-and intracranial arterial stenosis in first-ever stroke
patients and to analyse the relationship between arterial stenosis and the Oxfordshire …

ABSTRACT BACKGROUND Transcranial Doppler sonography is useful for the diagnosis of
middle cerebral artery (MCA) stenosis. Although the previous studies have focused on the …

Introduction: Internal carotid artery (ICA) stenosis causes about 15% of ischemic strokes.
Duplex ultrasonography (DUS) is the first line of investigation of ICA stenosis, but its …