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Reply: Donna R. Roberts, Joe Tidwell and J. Andrew Taylor AJNR Am J Neuroradiol 2024, 45 (5) E7 doi: https://doi.org/10.3174/ajnr.A8279 http://www.ajnr.org/content/45/5/E7 This information is current as of June 3, 2024. REPLY: 2. Tidwell JB, Taylor JA, Collins HR, et al. Longitudinal changes in cere- bral perfusion, perivascular space volume, and ventricular volume e thank Wostyn et al for their comments and for the al- in a healthy cohort undergoing a spaceflight analog. AJNR Am J Wternative explanation, based on venous congestion, that Neuroradiol 2023;44:1026–31 CrossRef Medline they provide for the perivascular space (PVS) volume increase 3. Marshall-Goebel K, Laurie SS, Alferova IV, et al. Assessment of jugu- observed in the bed rest subjects in our study. Indeed, altered lar venous blood flow stasis and thrombosis during spaceflight. cerebral venous hemodynamics have been documented in astro- JAMA Netw Open 2019;2:e1915011 CrossRef Medline 3,4 4. Rosenberg M, Coker MA, Taylor JA, et al. Post-flight dural venous nauts, and we have shown an increase in PVS volumes in astro- sinus congestion in astronauts with spaceflight-associated neuro- nauts and cosmonauts after spaceflight. Although altered venous ocular syndrome. JAMA Netw Open 2021;4:e2131465 CrossRef outflow would be expected to have occurred in the bed rest sub- Medline http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Neuroradiology American Journal of Neuroradiology

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References (6)

Publisher
American Journal of Neuroradiology
Copyright
© 2024 by American Journal of Neuroradiology
ISSN
0195-6108
eISSN
1936-959X
DOI
10.3174/ajnr.a8279
Publisher site
See Article on Publisher Site

Abstract

Donna R. Roberts, Joe Tidwell and J. Andrew Taylor AJNR Am J Neuroradiol 2024, 45 (5) E7 doi: https://doi.org/10.3174/ajnr.A8279 http://www.ajnr.org/content/45/5/E7 This information is current as of June 3, 2024. REPLY: 2. Tidwell JB, Taylor JA, Collins HR, et al. Longitudinal changes in cere- bral perfusion, perivascular space volume, and ventricular volume e thank Wostyn et al for their comments and for the al- in a healthy cohort undergoing a spaceflight analog. AJNR Am J Wternative explanation, based on venous congestion, that Neuroradiol 2023;44:1026–31 CrossRef Medline they provide for the perivascular space (PVS) volume increase 3. Marshall-Goebel K, Laurie SS, Alferova IV, et al. Assessment of jugu- observed in the bed rest subjects in our study. Indeed, altered lar venous blood flow stasis and thrombosis during spaceflight. cerebral venous hemodynamics have been documented in astro- JAMA Netw Open 2019;2:e1915011 CrossRef Medline 3,4 4. Rosenberg M, Coker MA, Taylor JA, et al. Post-flight dural venous nauts, and we have shown an increase in PVS volumes in astro- sinus congestion in astronauts with spaceflight-associated neuro- nauts and cosmonauts after spaceflight. Although altered venous ocular syndrome. JAMA Netw Open 2021;4:e2131465 CrossRef outflow would be expected to have occurred in the bed rest sub- Medline

Journal

American Journal of NeuroradiologyAmerican Journal of Neuroradiology

Published: May 1, 2024

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