The aim of this study was a comparison of diagnostic efficacy of non contrast enhanced MR-angiography (MRA) and CT-angiography (CTA) with digital subtraction angiography (DSA) in patients with atherosclerotic lesions of internal carotid arteries. We examined 70 patients with stenosis of carotid arteries. A stenosis degree of more than 50% (assessed by DSA) was considered as hemodynamically significant. Besides neurological survey the examination of extracranial arteries was performed, which included MRA, CTA and DSA. In each case we analysed a plane on which a degree of a stenosis was assessed as maximum. To characterize each modality we evaluated sensitivity, specificity and positive predictive value. A coincidence rate for CTA and DSA was 95%, for MRA and DSA – 89%. We can conclude that CTA and MRA can be use for an appropriate evaluation of stenosis of interna carotid arteries.
Carotid artery stenosis: prospective comparison of CT, three-dimensional non-enhanced MR and digital subtraction angiography
- Authors: Davydenko I.S.1, Krotenkova M.V.1, Konovalov R.N.1, Piradov M.A.1
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Affiliations:
- Research Center of Neurology, Russian Academy of Medical Sciences, Moscow
- Issue: Vol 2, No 3 (2008)
- Pages: 19-24
- Section: Original articles
- URL: https://ogarev-online.ru/2075-5473/article/view/124393
- DOI: https://doi.org/10.17816/psaic399
- ID: 124393
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Abstract
About the authors
I. S. Davydenko
Research Center of Neurology, Russian Academy of Medical Sciences, Moscow
Author for correspondence.
Email: platonova@neurology.ru
Russian Federation
M. V. Krotenkova
Research Center of Neurology, Russian Academy of Medical Sciences, Moscow
Email: platonova@neurology.ru
Russian Federation
R. N. Konovalov
Research Center of Neurology, Russian Academy of Medical Sciences, Moscow
Email: platonova@neurology.ru
Russian Federation
M. A. Piradov
Research Center of Neurology, Russian Academy of Medical Sciences, Moscow
Email: platonova@neurology.ru
Russian Federation
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