Update on the hemodynamic significance of stenotic lesion of the extracranial carotid arteries according to ultrasonic examination of the internal jugular vein-Reference-Cited by-同舟云学术

Update on the hemodynamic significance of stenotic lesion of the extracranial carotid arteries according to ultrasonic examination of the internal jugular vein

Published:2023-06-29 Issue:4 Volume:27 Page:35-44
ISSN:2408-9516
Container-title:Medical Visualization
language:
Short-container-title:Medicinskaâ vizualizaciâ

Author:

Bukhovets I. L.¹^ORCID,Maksimova A. S.¹^ORCID,Kuznetsov M. S.¹^ORCID,Kozlov B. N.¹^ORCID,Ussov W. Yu.¹^ORCID

Affiliation:

1. Institute of Cardiology of the Tomsk National medical research center of the Russian Academy of Sciences

Abstract

Aim. To study changes in the size and linear velocities of the blood flow of internal jugular veins in patients with high degree stenosis of the extracranial carotid artery.Methods. The study included 28 patients: 14 patients with high degree stenoses of the internal carotid arteries (70% and more by NASCET criteria) constituted group 1, 14 patients with “small” stenoses of the ICA (less than 30%) – group 2. The state of blood flow in the extracranial sections of the main arteries of the head were evaluated using ultrasound.Results. When studying the features of venous blood flow, the following was found: in the group with unilateral hemodynamically significant stenosis, in contrast to the group of patients with “small” stenoses, the venous pressure measured on the arm was statistically significantly lower, and therefore the calculated central venous pressure, while the linear velocities of the peaks S and T were statistically significantly higher by 1 the group on the side of hemodynamically significant stenosis. On the side of contralateral stenosis in group 1, there was statistically significantly less area of VAV, and the ratio S1/S2, than in patients of group 2. Intra-group analysis revealed a statistically significant difference in almost all indicators in patients with hemodynamically significant stenosis compared with the contralateral side: the diameters of the vein and its area were larger, and the linear rates of the A, S and T peaks were higher. Whereas there were no statistically significant differences in the group of “small” stenoses.Conclusion. Changes in venous blood flow in the jugular veins are interrelated with the development of high degree carotid stenosis and have diagnostic significance, can be used as an additional sign of the hemodynamic significance of carotid stenosis.

Publisher

Vidar, Ltd.

Subject

Radiology, Nuclear Medicine and imaging,Radiological and Ultrasound Technology

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