頚動脈狭窄症の周術期管理におけるarterial spin labeling（ASL）法の有用性

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  • Perfusion Magnetic Resonance Imaging with Arterial Spin Labeling in the Perioperative Management of Carotid Artery Stenosis

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Cerebral hyperperfusion syndrome is a rare but devastating complication after carotid endarterectomy (CEA) or carotid artery stenting (CAS). We evaluated whether arterial spin labeling (ASL) can predict cerebral hyperperfusion syndrome after carotid revascularization.<br>Here we reviewed 10 cases of carotid artery stenosis treated with CEA or CAS. Five cases presented with hyperperfusion phenomenon on single photon emission computed tomography. In four of these five cases, ASL was found to be useful in predicting hyperperfusion phenomenon. There were no cases of intracerebral hemorrhage.<br>ASL is noninvasive and useful for understanding cerebral perfusion during the perioperative period that requires several minutes on routine MRI. <br>However, there are some limitations. To avoid misinterpretation of data, it is important that clinicians have a good understanding of the basic principles of ASL.

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  • 脳卒中の外科

    脳卒中の外科 43 (2), 85-90, 2015

    一般社団法人 日本脳卒中の外科学会

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