Carotid artery stenosis: Reproducibility of automated 3D CT angiography analysis method

2004 ◽  
Vol 28 (5) ◽  
pp. 387
Author(s):  
Z Zhang ◽  
MH Berg ◽  
AEJ Ikonen ◽  
R Vanninen ◽  
HI Manninen
2004 ◽  
Vol 14 (4) ◽  
pp. 665-672 ◽  
Author(s):  
Zishu Zhang ◽  
Marja H. Berg ◽  
Aki E. J. Ikonen ◽  
Ritva L. Vanninen ◽  
Hannu I. Manninen

2009 ◽  
Vol 19 (12) ◽  
pp. 2809-2818 ◽  
Author(s):  
Annet Waaijer ◽  
M. Weber ◽  
M. S. van Leeuwen ◽  
J. Kardux ◽  
W. B. Veldhuis ◽  
...  

2010 ◽  
Vol 138 (7-8) ◽  
pp. 494-497
Author(s):  
Dragoslav Nenezic ◽  
Slobodan Tanaskovic ◽  
Predrag Gajin ◽  
Nenad Ilijevski ◽  
Goran Vucurevic

Introduction. Multislice CT angiography (CTA) is a noninvasive and quick technique to image carotid artery stenosis, as well as intracerebral vasculature. Modern multidetector CTA produces images with a high resolution of, not only the contrast-filled lumen, but also of the vessel wall and the surrounding soft tissues. Multiple studies have verified the ability of CTA to provide an accurate representation of the degree of carotid stenosis in comparison to digital subtraction angiography, both for moderate and high-grade stenosis. Because of its fast and accurate vessel imaging, CT angiography is increasingly used in the assessment of carotid artery stenosis. Case Outline. A 37-year-old female patient was admitted at the Vascular Surgery Clinic of the Institute for Cardiovascular Diseases 'Dedinje', Belgrade, for angiography and endovascular procedure of a high-grade stenosis of the left common carotid artery based on Multislice CT findings brought by the patient. She complained of problems which we considered to be the result of cerebral circulation ischemia. After detailed diagnostic procedures, we concluded that no pathological lesions could be verified either on the left common carotid artery or other supraaortic branches. Therefore, the patient was discharged for further neurological examinations. Conclusion. Although Multislice CTA has many advantages over classical angiography, its validity should be taken with reserve, especially in younger patients.


QJM ◽  
2021 ◽  
Vol 114 (Supplement_1) ◽  
Author(s):  
Sherif Mohamed Khalifa ◽  
Ahmed Moustafa Mohamed ◽  
Asmaa Magdy Salama

Abstract Background and purpose Management of carotid artery stenosis is primarily based on the degree of luminal narrowing. The aim of this study is to compare the results of carotid doppler ultrasound (US) and CT angiography (CTA) for grading of carotid stenosis and for plaque characterization in symptomatic patients. Methods This is a cross sectional study with a total number of 35 consecutive patients having 70 carotid arteries for comparison. Grading of carotid stenosis was based on the NASCET criteria for CTA and the carotid consensus panel criteria for US. Each investigator was blinded to the results of the other modality. Results The majority of patients were aged from 60 to 69 years with male to female ratio of 3:2. Males were more commonly affected than females. The most common presenting symptom was recent stroke. Risk factors included; diabetes mellites and hypertension. Atherosclerotic ischemic heart disease was a present association. The carotid bulb and proximal ICA were the most common location for carotid plaques. Kappa analysis with 95 % confidence intervals (CIs) was utilized to determine US – CTA agreement. Both modalities showed overall good agreement (kappa = 0.63) and the concordance was better for moderate and higher grades of stenosis than for non-significant stenosis. The disagreement did not exceed one grade difference in our study sample. There was also good agreement as regards plaque morphology, while CTA was more sensitive than US in the detection of calcifications and plaque ulceration. Conclusion Doppler ultrasound when performed by an experienced sonographer can be used as a reliable first line modality for carotid stenosis grading and to categorize patients as medical and potentially surgical cases. CTA can be used as a confirmatory method for patients with borderline stenosis, for presurgical planning and for patients with suspected stenosis of the intracerebral circulation.


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