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Cough-Associated Headache in Patients with Chiari I Malformation: CSF Flow Analysis by Means of Cine Phase-Contrast MR Imaging

Cough-Associated Headache in Patients with Chiari I Malformation: CSF Flow Analysis by Means of... SUMMARY: The purpose of this study was to analyze the CSF flow in patients with Chiari I to determine differences between patients with and without CAH. Thirty patients with Chiari I malformation underwent cine-PC CSF flow imaging in the sagittal plane. CSF flow pulsations were analyzed by placing regions of interest in the anterior cervical subarachnoid space. Maximum CSF systolic (craniocaudal) and diastolic (caudocranial) velocities as well as the durations of CSF systole and diastole (measured in fractions of the cardiac cycle) were determined. In the region of interest just below the foramen magnum, patients with CAH had a significantly shorter CSF systole and longer diastole ( P = .02). A CSF diastolic length of ≥0.75 of the cardiac cycle was 67% sensitive and 86% specific for CAH. Our results indicate that Cine-PC imaging can show differences in CSF flow patterns in patients with Chiari I with and without CAH. Abbreviations CAH cough-associated headache Cine-PC cine phase-contrast CSF diastole duration of CSF diastolic flow (fraction of the cardiac cycle) CSF systole duration of CSF systolic flow (fraction of the cardiac cycle) MSV maximum systolic velocity (millimeters/second) MDV maximum diastolic velocity (millimeters/second) http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Neuroradiology American Journal of Neuroradiology

Cough-Associated Headache in Patients with Chiari I Malformation: CSF Flow Analysis by Means of Cine Phase-Contrast MR Imaging

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Publisher
American Journal of Neuroradiology
Copyright
Copyright © 2011 by the American Society of Neuroradiology.
ISSN
0195-6108
eISSN
1936-959X
DOI
10.3174/ajnr.A2369
pmid
21330393
Publisher site
See Article on Publisher Site

Abstract

SUMMARY: The purpose of this study was to analyze the CSF flow in patients with Chiari I to determine differences between patients with and without CAH. Thirty patients with Chiari I malformation underwent cine-PC CSF flow imaging in the sagittal plane. CSF flow pulsations were analyzed by placing regions of interest in the anterior cervical subarachnoid space. Maximum CSF systolic (craniocaudal) and diastolic (caudocranial) velocities as well as the durations of CSF systole and diastole (measured in fractions of the cardiac cycle) were determined. In the region of interest just below the foramen magnum, patients with CAH had a significantly shorter CSF systole and longer diastole ( P = .02). A CSF diastolic length of ≥0.75 of the cardiac cycle was 67% sensitive and 86% specific for CAH. Our results indicate that Cine-PC imaging can show differences in CSF flow patterns in patients with Chiari I with and without CAH. Abbreviations CAH cough-associated headache Cine-PC cine phase-contrast CSF diastole duration of CSF diastolic flow (fraction of the cardiac cycle) CSF systole duration of CSF systolic flow (fraction of the cardiac cycle) MSV maximum systolic velocity (millimeters/second) MDV maximum diastolic velocity (millimeters/second)

Journal

American Journal of NeuroradiologyAmerican Journal of Neuroradiology

Published: Apr 1, 2011

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