Associations Between Doppler Internal Jugular Vein Blood Flow and Transverse Sinus Stasis Detected by Magnetic Resonance Imaging
Adult
Aged, 80 and over
Adolescent
Transverse Sinuses
Ultrasonography, Doppler
Middle Aged
Magnetic Resonance Imaging
Young Adult
03 medical and health sciences
0302 clinical medicine
Humans
Jugular Veins
Aged
Ultrasonography
DOI:
10.1002/jum.15541
Publication Date:
2020-10-21T18:25:39Z
AUTHORS (3)
ABSTRACT
ObjectivesThis study aimed to compare the estimated internal jugular vein (IJV) volume flow with Doppler ultrasound in patients with slow flow in the transverse sinuses and normal transverse sinuses on brain magnetic resonance imaging (MRI).MethodsEighty patients between the ages of 18 and 80 years who did not have any signs of sinus vein thrombosis on brain MRI were included. On MRI, cases with hyperintensity due to a signal void loss in the transverse sinuses in coronal fluid attenuation inversion recovery sequences were included in the slow‐flow group. The presence of sinus thrombosis was excluded with other MRI pulse sequences and clinical findings. The participants were divided into 2 groups as having normal and slow flow according to MRI findings. Then bilateral IJV volume flow measurements were made by Doppler ultrasound. Bilateral volume flow was estimated by time‐averaged blood flow velocities sampled in the center of the IJV, and IJV cross‐sectional areas were measured. We defined the dominant IJV as the one having the higher estimated volume flow of the 2 sides.ResultsTotal estimated IJV blood flow was lower (P < .001) in patients with slow flow on MRI (546 mL/min) compared to those without (768 mL/min). A similar finding was seen for the nondominant IJV. In a receiver operating characteristic analysis, the cutoff value for the total estimated IJV volume flow was determined to be 590 mL/min, and the cutoff value for nondominant estimated IJV volume flow was determined to be 202 mL/min to distinguish between the groups.ConclusionsLow estimated volume blood flow in the IJV is associated with MRI evidence of stasis in the ipsilateral transverse sinus.
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