| The measurement of stenosis of the internal carotid artery: comparison of doppler ultrasound, digital subtraction angiography and the 3D CT volume rendering technique. | |
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MedLine Citation:
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PMID: 15506311 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: To determine the variability of measurement of stenosis of the internal carotid artery (ICA) using Doppler ultrasound, digital subtraction angiography (DSA) and the three-dimensional volume rendering technique (3D CT) in the high-grade stenosis band (70-100%). DESIGN: A prospective study of preoperative findings in 64 patients. MATERIAL AND METHODS: Doppler ICA stenosis was assessed according to combined Doppler acoustic standard criteria (CDASC) and peak systolic velocity (PSV). DSA and 3D CT stenosis were measured using the NASCET method. The results were compared using kappa statistics and Pearson's correlation coefficient. RESULTS: Agreement on the degree of ICA stenosis was statistically very good for DSA and 3D CT (kappa = 0.81, CI 0.69-0.93): Pearson's correlation coefficient was 0.88 (CI 0.76-0.90). The comparison of Doppler ultrasound with DSA showed good agreement (kappa 0.70, CI 0.58-0.82): Pearson's correlation coefficient was 0.61 (CI 0.43-0.74). The disagreement rate on occlusion was 3% between DSA and 3D CT and was rather high (10.9%) between Doppler ultrasound and DSA. CONCLUSIONS: The clinical decision to operate on an ICA stenosis will be strongly influenced by the diagnostic method used. DSA and 3D CT correlate well, whereas Doppler ultrasound tends to differ at the high end of the high-grade stenosis band (90% occlusion), underestimating (compared with DSA) the degree of stenosis. |
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Authors:
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Vojko Flis; Erik Tetickovic; Silva Breznik; Barbara Stirn; Joze Matela; Kazimir Miksić |
Publication Detail:
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Type: Comparative Study; Evaluation Studies; Journal Article |
Journal Detail:
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Title: Wiener klinische Wochenschrift Volume: 116 Suppl 2 ISSN: 0043-5325 ISO Abbreviation: Wien. Klin. Wochenschr. Publication Date: 2004 |
Date Detail:
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Created Date: 2004-10-27 Completed Date: 2004-12-27 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 21620870R Medline TA: Wien Klin Wochenschr Country: Austria |
Other Details:
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Languages: eng Pagination: 51-5 Citation Subset: IM |
Affiliation:
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Department of Vascular Surgery, Maribor Teaching Hospital, Maribor, Slovenia. vojko.flis@sb-mb.si |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Angiography, Digital Subtraction* Carotid Artery, Internal* Carotid Stenosis / complications, radiography*, ultrasonography* Data Interpretation, Statistical Female Humans Imaging, Three-Dimensional Ischemic Attack, Transient / diagnosis*, etiology Male Middle Aged Prospective Studies Tomography, X-Ray Computed / methods* Ultrasonography, Doppler, Duplex* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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