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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Controls | No Intervention | The controls are intravenous injected of 185 to 370 MBq 18F-FDG.Then,the controls sleep for an hour in a quiet room before scanning. | |
| Patients | Experimental | The patients are intravenous injected of 185 to 370 MBq 18F-FDG.Then,the patients sleep for an hour in a quiet room before scanning. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| 18F-FDG | Radiation | 18F-FDG is positron emission tomography imaging agent which is already widely used in PET/CT examination. |
|
| Measure | Description | Time Frame |
|---|---|---|
| standardized uptake value | 60 mins after injecting 18F-FDG |
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Inclusion Criteria:
Exclusion Criteria:
-
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| Name | Affiliation | Role |
|---|---|---|
| Yin Jilin | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| The PET/CT Centre Guangzhou General Hospital of Guangzhou Military Command | Guangzhou | Guangdong | 510000 | China |
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| ID | Term |
|---|---|
| D018458 | Persistent Vegetative State |
| ID | Term |
|---|---|
| D001925 | Brain Damage, Chronic |
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
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| ID | Term |
|---|---|
| D019788 | Fluorodeoxyglucose F18 |
| ID | Term |
|---|---|
| D003847 | Deoxyglucose |
| D003837 | Deoxy Sugars |
| D002241 | Carbohydrates |
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| D014474 | Unconsciousness |
| D003244 | Consciousness Disorders |
| D019954 | Neurobehavioral Manifestations |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |