Carotid endarterectomy (CEA) and carotid artery stenting (CAS) are two commonly used surgical treatment methods for severe internal carotid artery (ICA) stenosis, hence, our objective was to investigate the CBF difference before and in 4-day follow up after CEA and CAS using 3D pCASL technique. As it demonstrated, the CBF values showed no significant (P>0.05) differences in various time points prior to the operations between CAS and CEA, whereas compared to the patients after CEA, the CBF values were stable fluctuated in various time points (P<0.05). This proves that 3D pCASL is useful for quantifying CBF changes after CAS or CEA; moreover, the stable fluctuation CBF may indicate that CAS has a lower hyperperfusion syndrome and death rate compared to CEA in the future.
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