Abstract #1444
Preliminary study of hypoxic exposure effect on cerebral blood perfusion of pilots using 3D ASL
Jie Liu 1 , Wanshi Zhang 2 , Long Qian 3 , Mingxi Liu 1 , Xianrong Xu 2 , and Limin Meng 2
1
The Fourth Military Medical University,
Xi'an, Shanxi, China,
2
Air
Force General Hospital, Beijing, China,
3
GE
Healthcare China, Beijing, China
Pilots often need to face and overcome hypoxia at upper
atmosphere due to low oxygen concentration and low
pressure. In this study we mimicked hypoxic environment
equal to 3000m altitude and obtained the CBF of the
participant pilots before and after hypoxic exposure
using 3D pcASL. Lower CBF values were observed in pilots
after hypoxic exposure in various regions, mostly
happened at right hemisphere, which might be due to that
the right one is more involved in visual-space and the
right hemisphere was sensitive to hypoxia, which may be
related to the pilots professional characteristics
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