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Hemodynamics of cerebral veins analyzed by 2d and 4d flow mri and ultrasound in healthy volunteers and patients with multiple sclerosis.

Authors
  • Schuchardt, Florian F1, 2
  • Kaller, Christoph P1, 2, 3
  • Strecker, Christoph1, 2
  • Lambeck, Johann1, 2
  • Wehrum, Thomas1, 2
  • Hennemuth, Anja4, 5
  • Anastasopoulos, Constantinos1, 3, 6
  • Mader, Irina1, 3, 7
  • Harloff, Andreas1, 2
  • 1 Faculty of Medicine, University of Freiburg, Germany. , (Germany)
  • 2 Department of Neurology and Neurophysiology, Medical Center, University of Freiburg, Germany. , (Germany)
  • 3 Department of Neuroradiology, Medical Center, University of Freiburg, Germany. , (Germany)
  • 4 Fraunhofer Institute for Medical Image Computing MEVIS, Berlin, Germany. , (Germany)
  • 5 Institute for Cardiovascular Computer-assisted Medicine, Charité, Universitätsmedizin Berlin, Campus Virchow-Klinikum, Germany. , (Germany)
  • 6 Department of Radiology, University of Basel, Basel, Switzerland. , (Switzerland)
  • 7 Department of Radiology, Schön-Klinik, Vogtareuth, Germany. , (Germany)
Type
Published Article
Journal
Journal of Magnetic Resonance Imaging
Publisher
Wiley (John Wiley & Sons)
Publication Date
Jan 01, 2020
Volume
51
Issue
1
Pages
205–217
Identifiers
DOI: 10.1002/jmri.26782
PMID: 31102341
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Hemodynamic alterations of extracranial veins are considered an etiologic factor in multiple sclerosis (MS). However, ultrasound and MRI studies could not confirm a pathophysiological link. Because of technical challenges using standard diagnostics, information about the involvement of superficial intracranial veins in proximity to the affected brain in MS is scarce. To comprehensively investigate the hemodynamics of intracranial veins and of the venous outflow tract in MS patients and controls. Prospective. Twenty-eight patients with relapsing-remitting MS (EDSS1.9 ± 1.1; range 0-3) and 41 healthy controls. 3T/2D phase-contrast and time-resolved 4D flow MRI, extra- and transcranial sonography. Hemodynamics within the superficial and deep intracranial venous system and outflow tract including the internal, basal, and great cerebral vein, straight, superior sagittal, and transverse sinuses, internal jugular and vertebral veins. Sonography adhered to the chronic cerebrospinal venous insufficiency (CCSVI) criteria. Multivariate repeated measure analysis of variance, Student's two-sample t-test, chi-square, Fisher's exact test; separate analysis of the entire cohort and 32 age- and sex-matched participants. Multi- and univariate main effects of the factor group (MS patient vs. control) and its interactions with the factor vessel position (lower flow within dorsal superior sagittal sinus in MS, 3 ± 1 ml/s vs. 3.8 ± 1 ml/s; P < 0.05) in the uncontrolled cohort were attributable to age-related differences. Age- and sex-matched pairs showed a different velocity gradient in a single segment within the deep cerebral veins (great cerebral vein, vena cerebri magna [VCM] 7.6 ± 1.7 cm/s; straight sinus [StS] 10.5 ± 2.2 cm/s vs. volunteers: VCM 9.2 ± 2.3 cm/s; StS 10.2 ± 2.3 cm/s; P = 0.01), reaching comparable velocities instantaneously downstream. Sonography was not statistically different between groups. Consistent with previous studies focusing on extracranial hemodynamics, our comprehensive analysis of intracerebral venous blood flow did not reveal relevant differences between MS patients and controls. Level of Evidence 1. Technical Efficacy Stage 3. J. Magn. Reson. Imaging 2020;51:205-217. © 2019 International Society for Magnetic Resonance in Medicine.

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