Abstract #3557

OPTICS STUDY: INTRACRANIAL EFFECTS OF STATIC LOWER BODY NEGATIVE PRESSURE WITH HEAD DOWN TILT BED REST: COMPARISON TO UPRIGHT POSTURE

Larry A. Kramer¹, Khader M Hasan¹, Lindsey Bishop², Xu Zhang³, Karina Marshall-Goebel⁴, Brandon Macias⁵, Steven S Laurie⁶, and Bryn Martin^7,8

¹Diagnostic Imaging and Intervention, University of Texas Health Science Center at Houston, Houston, TX, United States, ²University of Texas Health Science Center at Houston, Houston, TX, United States, ³Clinical and Translational Sciences, University of Texas Health Science Center at Houston, Houston, TX, United States, ⁴Karina Marshall-Goebel, NASA, Houston, TX, United States, ⁵NASA, Houston, TX, United States, ⁶KBR, Houston, TX, United States, ⁷Acyonetx, Moscow, ID, United States, ⁸Chemical and Biological Engineering, University of Idaho, Moscow, ID, United States

Synopsis

Keywords: Blood vessels, Quantitative Imaging, Microgravity, Head down tilt, Spaceflight Associated Neuro-ocular SyndromeLower body negative pressure applied a total of 6 hours daily during 29 days of head down tilt bed rest shows promise as a countermeasure to spaceflight acquired neuro-ocular syndrome.

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