Clinical examinations are difficult to discriminate between vegetative state and minimally conscious state. the diagnostic and prognostic usefulness of neuroimaging methods has not been established in a clinical setting. we will do a forward study of PET imaging in disorders of consciousness patients, and validate with clinical assessments with the coma recovery Scale-Revised(CRS-R).
Every patient need to be conducted the PET/CT scanning two times.The first time is resting state.The second time is stimulated state by watching a vedio.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
20
18F-FDG is positron emission tomography imaging agent which is already widely used in PET/CT examination.
The PET/CT Centre Guangzhou General Hospital of Guangzhou Military Command
Guangzhou, Guangdong, China
standardized uptake value
Time frame: 60 mins after injecting 18F-FDG
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