Pulsatile motion effects on 3D magnetic resonance angiography: Implications for evaluating carotid artery stenoses
نویسندگان
چکیده
منابع مشابه
Accuracy of magnetic resonance angiography for internal carotid artery disease.
Accuracy of Magnetic Resonance Angiography for Internal Carotid Artery Disease To the Editor: We read with great interest the article entitled “Diagnostic accuracy of magnetic resonance angiography for internal carotid artery disease: a systematic review and meta-analysis.”1 The authors made a comprehensive review and meta-analysis of many articles which compared magnetic resonance angiography ...
متن کاملContrast-enhanced magnetic resonance angiography carotid arteries.
Angiography Carotid Arteries To the Editor: We were very interested to read the recent study by Johnston et al1 regarding the use of contrast-enhanced MRA (CEMRA) for carotid stenosis. The authors correctly highlight in their introduction the limitations of many current studies of noninvasive tests. We, however, remain to be convinced that their own study is an adequate reflection of the perfor...
متن کاملSymmetry, asymmetry and hypoplasia of the intracranial internal carotid artery on magnetic resonance angiography.
OBJECTIVE The aim of this study was to determine the prevalence of symmetry, asymmetry and hypoplasia of the intracranial internal carotid artery (ICA), and the possible presence of other variants of the ICA by magnetic resonance angiography (MRA). SUBJECTS AND METHODS This prospective-retrospective study included 1000 subjects who underwent consecutively MRA of the cerebral arteries. 3D-time...
متن کاملHemodynamic Significance of Internal Carotid or Middle Cerebral Artery Stenosis Detected on Magnetic Resonance Angiography.
PURPOSE We evaluated hemodynamic significance of stenosis on magnetic resonance angiography (MRA) using acetazolamide perfusion single photon emission computed tomography (SPECT). MATERIALS AND METHODS Of 171 patients, stenosis in internal carotid artery (ICA) and middle cerebral artery (MCA) (ICA-MCA) on MRA and cerebrovascular reserve (CVR) of MCA territory on SPECT was measured using quant...
متن کاملNew Methods for Computational Fluid Dynamics Modeling of Carotid Artery from Magnetic Resonance Angiography
Computational fluid dynamics (CFD) models of the carotid artery are constructed from contrast-enhanced magnetic resonance angiography (MRA) using a deformable model and a surface-merging algorithm. Physiologic flow conditions are obtained from cine phase-contrast MRA at two slice locations below and above the carotid bifurcation. The methodology was tested on image data from a rigid flow-throug...
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ژورنال
عنوان ژورنال: Magnetic Resonance in Medicine
سال: 2004
ISSN: 0740-3194,1522-2594
DOI: 10.1002/mrm.20185