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Pulsatility Attenuation along the Carotid Siphon in Pseudoxanthoma Elasticum

Pulsatility Attenuation along the Carotid Siphon in Pseudoxanthoma Elasticum BRIEF/TECHNICAL REPORT HEAD & NECK Pulsatility Attenuation along the Carotid Siphon in Pseudoxanthoma Elasticum J.W. Bartstra, R.J. van Tuijl, P.A. de Jong, W.P.T.M. Mali, I.C. van der Schaaf, Y.M. Ruigrok, G.J.E. Rinkel, B.K. Velthuis, W. Spiering, and J.J.M. Zwanenburg ABSTRACT SUMMARY: We compared velocity pulsatility, distensibility, and pulsatility attenuation along the intracranial ICA and MCA between 50 patients with pseudoxanthoma elasticum and 40 controls. Patients with pseudoxanthoma elasticum had higher pulsatility and lower distensibility at all measured locations, except for a similar distensibility at C4. The pulsatility attenuation over the siphon was similar between patients with pseudoxanthoma elasticum and controls. This finding suggests that other disease mechanisms are the main contributors to increased intracranial pulsatility in pseudoxanthoma elasticum. ABBREVIATIONS: PI ¼ pulsatility index; PXE ¼ pseudoxanthoma elasticum; SVD ¼ small-vessel disease; 2D-PC ¼ 2D phase-contrast he curved shape combined with distensibility of the carotid pulsatility attenuation over the siphon between patients with PXE Tsiphon attenuates arterial pulsatility and protects the cerebral and controls. 1,2 vasculature. Calcification and stiffening in the siphon may reduce pulsatility attenuation and cause increased intracranial ar- MATERIALS AND METHODS terial pulsatility. Arterial calcifications occur in atherosclerotic 3 Data Availability plaques in the intimal arterial wall. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Neuroradiology American Journal of Neuroradiology

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Publisher
American Journal of Neuroradiology
Copyright
© 2021 by American Journal of Neuroradiology
ISSN
0195-6108
eISSN
1936-959X
DOI
10.3174/ajnr.A7288
Publisher site
See Article on Publisher Site

Abstract

BRIEF/TECHNICAL REPORT HEAD & NECK Pulsatility Attenuation along the Carotid Siphon in Pseudoxanthoma Elasticum J.W. Bartstra, R.J. van Tuijl, P.A. de Jong, W.P.T.M. Mali, I.C. van der Schaaf, Y.M. Ruigrok, G.J.E. Rinkel, B.K. Velthuis, W. Spiering, and J.J.M. Zwanenburg ABSTRACT SUMMARY: We compared velocity pulsatility, distensibility, and pulsatility attenuation along the intracranial ICA and MCA between 50 patients with pseudoxanthoma elasticum and 40 controls. Patients with pseudoxanthoma elasticum had higher pulsatility and lower distensibility at all measured locations, except for a similar distensibility at C4. The pulsatility attenuation over the siphon was similar between patients with pseudoxanthoma elasticum and controls. This finding suggests that other disease mechanisms are the main contributors to increased intracranial pulsatility in pseudoxanthoma elasticum. ABBREVIATIONS: PI ¼ pulsatility index; PXE ¼ pseudoxanthoma elasticum; SVD ¼ small-vessel disease; 2D-PC ¼ 2D phase-contrast he curved shape combined with distensibility of the carotid pulsatility attenuation over the siphon between patients with PXE Tsiphon attenuates arterial pulsatility and protects the cerebral and controls. 1,2 vasculature. Calcification and stiffening in the siphon may reduce pulsatility attenuation and cause increased intracranial ar- MATERIALS AND METHODS terial pulsatility. Arterial calcifications occur in atherosclerotic 3 Data Availability plaques in the intimal arterial wall.

Journal

American Journal of NeuroradiologyAmerican Journal of Neuroradiology

Published: Nov 1, 2021

References