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C-2768 - Prevalence of carotid webs in acute large vessel ischemic stroke patients

K. Compagne1, A. van Es1, R. van Oostenbrugge2, W. Van Zwam2, C. B. L. M. Majoie3, H. Marquering3, D. van Dippel1, A. van der Lugt1, B. Emmer1; 1 Rotterdam/NL 2 Maastricht/NL 3 Amsterdam/NL Type: Scientific Exhibit
Area of Interests: Head and neck, Vascular, Neuroradiology brain
Imaging Technique: CT-Angiography
Procedures: Stents, Angioplasty
Special Focuses: Embolism / Thrombosis, Hemodynamics / Flow dynamics, Ischemia / Infarction
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Aims and objectives: Carotid webs are described as circumferential filling defects arising from the posterior wall of the carotid bifurcation and have been implicated as a cause of strokes (Fig. 1 & 2) (1). Identification of a carotid web in patients with no other potential cause of acute ischemic stroke (AIS) could[...]

Methods and materials: Data of the 500 patients of the Multicenter Randomized Clinical trial of Endovascular treatment of Acute Ischemic stroke in the Netherlands (MR CLEAN) was used. Patients were included in the MR CLEAN trial if there was a radiographically confirmed proximal intracranial arterial occlusion and a minim[...]

Results: We found 11 (2.5%) carotid webs at the symptomatic side and 2 (0.5%) carotid webs at the asymptomatic side (OR 10; p 0.012). Carotid webs at the symptomatic carotid artery were significantly more often observed in females (n=10) than in males (n=1) (p <0.001). Smoking and diabetes were not observ[...]

Conclusion: In our study, we observed symptomatic carotid webs at the carotid bifurcation in 2.5% of the patients with acute ischemic stroke due to intracranial large vessel occlusion. Carotid webs were observed significantly more on the symptomatic side and significantly more often in female patients. In most [...]

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References: 1.      Choi PM, Singh D, Trivedi A, Qazi E, George D, Wong J, et al. Carotid Webs and Recurrent Ischemic Strokes in the Era of CT Angiography. AJNR Am J Neuroradiol. 2015;36(11):2134-9. 2.      Berkhemer OA, Fransen PS, Beumer D, van den Berg LA, Lingsma[...]

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