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Enlargement of Perivascular Spaces as a Downstream Consequence of Spaceflight Analog-Induced Alterations in Cerebral Venous Hemodynamics

Enlargement of Perivascular Spaces as a Downstream Consequence of Spaceflight Analog-Induced... Enlargement of Perivascular Spaces as a Downstream Consequence of Spaceflight Analog-Induced Alterations in Cerebral Venous Hemodynamics Peter Wostyn, Thomas H. Mader, C. Robert Gibson and Maiken Nedergaard This information is current as AJNR Am J Neuroradiol 2024, 45 (5) E6 of June 3, 2024. doi: https://doi.org/10.3174/ajnr.A8062 http://www.ajnr.org/content/45/5/E6 LETTERS Enlargement of Perivascular Spaces as a Downstream Consequence of Spaceflight Analog-Induced Alterations in Cerebral Venous Hemodynamics e read with great interest the article by Tidwell and perivenous spaces. This outcome could compromise the glym- Wcolleagues entitled “Longitudinal Changes in Cerebral phatic outflow and drainage, resulting in CSF-ISF stagnation. As a Perfusion, Perivascular Space Volume, and Ventricular Volume consequence, the CSF may stagnate and accumulate at the periar- in a Healthy Cohort Undergoing a Spaceflight Analog” pub- terial site, with resultant periarterial dilation. We propose that lished recently in the American Journal of Neuroradiology.We this could provide an additional alternate explanation for the would like to congratulate the authors for performing this MR observed PVS enlargement during the analog period. imaging study in a spaceflight analog with findings of great im- portance for future human space missions, and would appreci- Disclosure forms provided by the authors are available with the full text and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Neuroradiology American Journal of Neuroradiology

Enlargement of Perivascular Spaces as a Downstream Consequence of Spaceflight Analog-Induced Alterations in Cerebral Venous Hemodynamics

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References (4)

Publisher
American Journal of Neuroradiology
Copyright
© 2024 by American Journal of Neuroradiology
ISSN
0195-6108
eISSN
1936-959X
DOI
10.3174/ajnr.a8062
Publisher site
See Article on Publisher Site

Abstract

Enlargement of Perivascular Spaces as a Downstream Consequence of Spaceflight Analog-Induced Alterations in Cerebral Venous Hemodynamics Peter Wostyn, Thomas H. Mader, C. Robert Gibson and Maiken Nedergaard This information is current as AJNR Am J Neuroradiol 2024, 45 (5) E6 of June 3, 2024. doi: https://doi.org/10.3174/ajnr.A8062 http://www.ajnr.org/content/45/5/E6 LETTERS Enlargement of Perivascular Spaces as a Downstream Consequence of Spaceflight Analog-Induced Alterations in Cerebral Venous Hemodynamics e read with great interest the article by Tidwell and perivenous spaces. This outcome could compromise the glym- Wcolleagues entitled “Longitudinal Changes in Cerebral phatic outflow and drainage, resulting in CSF-ISF stagnation. As a Perfusion, Perivascular Space Volume, and Ventricular Volume consequence, the CSF may stagnate and accumulate at the periar- in a Healthy Cohort Undergoing a Spaceflight Analog” pub- terial site, with resultant periarterial dilation. We propose that lished recently in the American Journal of Neuroradiology.We this could provide an additional alternate explanation for the would like to congratulate the authors for performing this MR observed PVS enlargement during the analog period. imaging study in a spaceflight analog with findings of great im- portance for future human space missions, and would appreci- Disclosure forms provided by the authors are available with the full text and

Journal

American Journal of NeuroradiologyAmerican Journal of Neuroradiology

Published: May 1, 2024

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