Agreement between Multidetector-Row CT Angiography and Ultrasound Echo-Color Doppler in the Evaluation of Carotid Artery Stenosis

2008 ◽  
Vol 26 (5) ◽  
pp. 525-532 ◽  
Author(s):  
Luca Saba ◽  
Roberto Sanfilippo ◽  
Roberto Montisci ◽  
Giorgio Mallarini
2009 ◽  
Vol 19 (12) ◽  
pp. 2809-2818 ◽  
Author(s):  
Annet Waaijer ◽  
M. Weber ◽  
M. S. van Leeuwen ◽  
J. Kardux ◽  
W. B. Veldhuis ◽  
...  

2010 ◽  
Vol 10 ◽  
pp. 1818-1825 ◽  
Author(s):  
Živorad N. Savic ◽  
Lazar B. Davidovic ◽  
Dragan Ž. Sagic ◽  
Milan D. Brajovic ◽  
Srdjan S. Popovic

The aim of this paper was to examine the correlation between the Color Doppler ultrasound (CD-US) and multidetector CT angiography (MDCTA) diagnostic methods, and to define the degree and extent of stenosis in patients with internal carotid artery stenosis. This was a cross-sectional study with a consecutive series of patients. All US examinations were always carried out by the same physician-angiologist, while all CT examinations were always carried out by the same physician-radiologist. Both worked independently from each other. The stenosis area was measured at the narrowest point by NASCET criteria for US/CT. Peak systolic velocity (PSV) over 210 cm/sec and end diastolic velocity (EDV) over 110 cm/sec criteria were applied for stenoses with lumen narrowed over 70%, while PSV under 130 cm/sec and EDV under 100 cm/sec criteria were applied for those with lumen narrowed under 70%. A total of 124 carotid arteries were observed; namely, 89 narrowed and 68 surgically treated. All patients were reviewed by US and then by MDCTA; patients with 70–99% stenosis underwent surgery. The correlation coefficient between stenosis degree measured by US and MDCTA was 0.922;p< 0.01. The average difference between US and MDCTA diagnostic methods was 3% (Z = -1.438,p> 0.05). The US and CT matching level for stenoses from 70 to 99% was very high (κ = 0.778,p< 0.01). In conclusion, there is a highly significant statistical correlation among both diagnostic methods when measuring stenosis degree and extent. US is more dependent on the physician, while MDCTA is more objective and independent from the physician. We think it would be appropriate to undertake an MDCTA exam for those patients who are candidates for carotid endarterectomy.


2004 ◽  
Vol 28 (5) ◽  
pp. 387
Author(s):  
Z Zhang ◽  
MH Berg ◽  
AEJ Ikonen ◽  
R Vanninen ◽  
HI Manninen

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.


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