2011
DOI: 10.3174/ajnr.a2838
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Performance of Semiautomatic Assessment of Carotid Artery Stenosis on CT Angiography: Clarification of Differences with Manual Assessment

Abstract: BACKGROUND AND PURPOSE: Semiautomated methods for ICA stenosis measurements have the potential to reduce interobserver variability and to speed up its analysis. In this study, we estimate the precision and accuracy of a semiautomated measurement for carotid artery stenosis degree and identify and explain differences compared with the manual method.

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Cited by 18 publications
(18 citation statements)
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“…This complete population was previously investigated to assess the performance of semiautomatic measurement of ICA stenosis on CTA by using Vitrea 2 version 4.1.2.0 (Vital Images, Plymouth, Minnesota). 8 In the current study, we report the diagnostic accuracy and reproducibility of semiautomatic carotid stenosis measurement on CTA by using 4 other commercially available software packages and estimate the agreement among different software packages. Furthermore, this complete population was previously used to investigate the relation of calcium volume with carotid artery disease, 12 and it was also used to investigate the prevalence of intracranial carotid artery disease and quantify the intracranial stenosis, 13,14 and to investigate the relation between intracranial carotid artery stenosis and poor outcome.…”
Section: Patient Selectionmentioning
confidence: 99%
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“…This complete population was previously investigated to assess the performance of semiautomatic measurement of ICA stenosis on CTA by using Vitrea 2 version 4.1.2.0 (Vital Images, Plymouth, Minnesota). 8 In the current study, we report the diagnostic accuracy and reproducibility of semiautomatic carotid stenosis measurement on CTA by using 4 other commercially available software packages and estimate the agreement among different software packages. Furthermore, this complete population was previously used to investigate the relation of calcium volume with carotid artery disease, 12 and it was also used to investigate the prevalence of intracranial carotid artery disease and quantify the intracranial stenosis, 13,14 and to investigate the relation between intracranial carotid artery stenosis and poor outcome.…”
Section: Patient Selectionmentioning
confidence: 99%
“…CTA was performed as previously described 8 with a 64-section scanner (Brilliance 64; Philips Healthcare, Best, the Netherlands). Eighty milliliters of contrast (iodixanol, Visipaque 320; GE Healthcare, Piscataway, New Jersey) was infused at 4 mL/s.…”
Section: Cta Protocolmentioning
confidence: 99%
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