Multi-Slice CT Angiography in Diagnosing Total Versus Near Occlusions of the Internal Carotid Artery
Open Access
- 1 January 2004
- journal article
- clinical trial
- Published by Ovid Technologies (Wolters Kluwer Health) in Stroke
- Vol. 35 (1), 83-85
- https://doi.org/10.1161/01.str.0000106139.38566.b2
Abstract
Background and Purpose— To determine the accuracy of multislice computed tomographic (CT) angiography in diagnosing total versus near occlusions of the internal carotid artery (ICA). Methods— Fifty-seven ICA total or near occlusions identified by catheter angiography were studied with multislice CT angiography 1 to 3 days after catheter angiography. CT angiography in diagnosing total versus near occlusions was analyzed by 2 radiologists independently. The results were compared with those of catheter angiography. Results— Catheter angiography depicted 31 total occlusions, including 10 without a stump, 19 with a stump 2 cm. Among them, 22 had a downward extent of the retrograde ICA flow at or above the carotid siphon, 8 at the carotid canal, and 1 at the distal cervical ICA. Catheter angiography depicted 26 near occlusions, including 21 with a tight stenosis at the proximal third cervical ICA, 1 at the middle third, and 4 at the carotid canal or siphon. CT angiography correctly depicted all total and near occlusions. In total occlusions, the length of the stump and the retrograde flow were all accurately described by CT angiography. In near occlusions, the sites of tight stenoses were also correctly identified by CT angiography. Conclusions— Multislice CT angiography had an excellent correlation with catheter angiography in diagnosing total versus near occlusion of the ICA. It may be considered as a substitute of catheter angiography in confirming the ultrasonographic results in diagnosing total versus near occlusions of the ICA.This publication has 6 references indexed in Scilit:
- Multislice CT angiographyEuropean Journal of Radiology, 2000
- Carotid artery stenosis, occlusion, and pseudo-occlusion: first-pass, gadolinium-enhanced, three-dimensional MR angiography--preliminary study.Radiology, 1998
- Common carotid artery bifurcation: preliminary results of CT angiography and color-coded duplex sonography compared with digital subtraction angiography.American Journal of Roentgenology, 1997
- Carotid artery stenosis: a prospective comparison of CT angiography and conventional angiography.American Journal of Roentgenology, 1994
- Diagnosis of carotid artery disease: preliminary experience with maximum-intensity-projection spiral CT angiography.American Journal of Roentgenology, 1993
- How to measure carotid stenosis.Radiology, 1993