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Imaging of glutamate in acute traumatic brain injury using chemical exchange saturation transfer

   
@article{QIMS30383,
	author = {Yifei Mao and Zerui Zhuang and Yanzi Chen and Xiaolei Zhang and Yuanyu Shen and Guisen Lin and Renhua Wu},
	title = {Imaging of glutamate in acute traumatic brain injury using chemical exchange saturation transfer},
	journal = {Quantitative Imaging in Medicine and Surgery},
	volume = {9},
	number = {10},
	year = {2019},
	keywords = {},
	abstract = {Background: Chemical exchange saturation transfer (CEST) is an important contrast mechanism in the field of magnetic resonance imaging. Herein, we used CEST for glutamate (GluCEST) imaging to evaluate the Glu alterations in acute mild to moderate traumatic brain injury (TBI) and correlated such alterations with the cognitive outcome at 1-month postinjury. 
Methods: Thirty-two patients with well-documented mild-to-moderate TBI and 15 healthy controls (HC group) underwent 3.0-Tesla magnetic resonance imaging (MRI) with GluCEST, and magnetic resonance spectroscopy (MRS) scans. The Montreal Cognitive Assessment (MoCA) examination was administered to all study subjects at 1-month postinjury for cognitive outcome acquisition and divided TBI patients into patients with good cognitive outcome (GCO group) and with poor cognitive outcome (PCO group). 
Results: The GluCEST% values for the occipital gray matter (OGM) and bilateral parietooccipital white matter (PWM) were higher in the PCO group compared with the HC and GCO groups (P0.05). In comparison with HCs, TBI patients had a significantly increased GluCEST% value for the OGM and bilateral PWM (P},
	issn = {2223-4306},	url = {https://qims.amegroups.org/article/view/30383}
}