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Accuracy of Contrast-Enhanced MR Angiography in Predicting Angiographic Stenosis of the Internal Carotid Artery: Linear Regression Analysis
AJNR 24:1747-1756,1737, Hathout,G.M.,et al, 2003
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Article Abstract
A clear linear relationship exists between digital subtraction angiographic and contrast-enhanced MR angiographic measurements of carotid stenosis. Increasing severity of stenosis as measured by contrast-enhanced MR angiography corresponds to increasing severity at angiography. Although the predictive value of contrast-enhanced MR angiography is excellent in the mean, it is less reliable for predicting the degree of angiographic stenosis in the individual patient, showing rather wide confidence intervals. Furthermore, the inclusion of PSV as an additional regressor does not improve the predictive accuracy beyond that of contrast-enhanced MR angiography alone.
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carotid angiogram
carotid artery stenosis
carotid artery stenosis,measurement of
digital subtraction angiography
digital subtraction angiography,arterial
doppler
internal carotid artery
MRI,angiography
MRI,angiography,contrast enhanced
ultrasonography
ultrasonography,carotid artery
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