Multi-Slice CT Angiography in Diagnosing Total Versus Near Occlusions of the Internal Carotid Artery: Comparison with Catheter Angiography

Chi Jen Chen, Tsong Hai Lee, Hui-Ling Hsu, Ying Chi Tseng, Shinn Kuang Lin, Li Jen Wang, Yon Cheong Wong

研究成果: 雜誌貢獻文章同行評審

82 引文 斯高帕斯(Scopus)

摘要

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.

原文英語
頁(從 - 到)83-85
頁數3
期刊Stroke
35
發行號1
DOIs
出版狀態已發佈 - 一月 2004
對外發佈Yes

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Neuroscience(all)

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