Pediatric Perfusion MR Imaging Using Arterial Spin Labeling - 19/08/11
, Daniel J. Licht, MD bRésumé |
Cerebral blood flow (CBF, cerebral perfusion) mirrors cerebral metabolic demand and neuronal function, and therefore, is a vital parameter in the evaluation of pediatric brain injury and recovery. Until recently, measurement of CBF involved intravenous bolus injection of contrast agents or nuclear medicine methods that were technically difficult or ethically problematic in pediatrics. The development of arterial spin label (ASL) perfusion MR imaging as a noninvasive method for measuring CBF allows for the increased ability to measure this vital physiologic parameter in any age group. This article presents the technical aspects of performing ASL perfusion MR imaging in pediatrics, and discusses its current use in clinical studies and its potential for influencing important management strategies in specific disease entities.
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| This work was supported by the Thrasher Research Fund, National Institutes of Health Human Brain Project (R21 MH072576, HD049893, and NS052380), Pfizer Scholarship, and the W.W. Smith Charitable Trust. |
Vol 16 - N° 1
P. 149-167 - février 2006 Retour au numéro
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- Tina Young Poussaint, Diana Rodriguez
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