A novel method of carotid artery wall imaging: black-blood CT

Objectives To evaluate the application of black-blood CT (BBCT) in carotid artery wall imaging and its accuracy in disclosing stenosis rate and plaque burden of carotid artery. Methods A total of 110 patients underwent contrast-enhanced CT scan with two phases, and BBCT images were obtained using co...

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Bibliographic Details
Published in:European radiology 2024-04, Vol.34 (4), p.2407-2415
Main Authors: Lu, Yao, Cao, Ruoyao, Jiao, Sheng, Li, Ling, Liu, Chao, Hu, Hailong, Ma, Zhuangfei, Jiang, Yun, Chen, Juan
Format: Article
Language:English
Subjects:
Blood
Blood vessels
Carotid arteries
Carotid Arteries - diagnostic imaging
Carotid artery
Carotid Stenosis - diagnostic imaging
Computed Tomography
Consistency
Constriction, Pathologic
Correlation coefficient
Correlation coefficients
Diagnosis
Diagnostic Radiology
Humans
Image contrast
Image enhancement
Image quality
Imaging
Internal Medicine
Interventional Radiology
Magnetic Resonance Angiography - methods
Magnetic resonance imaging
Medical imaging
Medicine
Medicine & Public Health
Neuroradiology
Plaque, Atherosclerotic - diagnosis
Plaques
Radiology
Stenosis
Tomography, X-Ray Computed - methods
Ultrasound
Veins & arteries
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Summary:Objectives To evaluate the application of black-blood CT (BBCT) in carotid artery wall imaging and its accuracy in disclosing stenosis rate and plaque burden of carotid artery. Methods A total of 110 patients underwent contrast-enhanced CT scan with two phases, and BBCT images were obtained using contrast-enhancement (CE)-boost technology. Two radiologists independently scored subjective image quality on black-blood computerized tomography (BBCT) images using a 4-point scale and then further analyzed plaque types. The artery stenosis rate on BBCT was measured and compared with CTA. The plaque burden on BBCT was compared with that on high-resolution intracranial vessel wall MR imaging (VW-MR imaging). The kappa value and intraclass correlation coefficient (ICC) were used for consistency analysis. The diagnostic accuracy of BBCT for stenosis rate and plaque burden greater than 50% was evaluated by AUC. Results The subjective image quality scores of BBCT had good consistency between the two readers (ICC = 0.836, p  
ISSN:1432-1084
0938-7994
1432-1084
DOI:10.1007/s00330-023-10247-5