Cerebral hyperperfusion syndrome (CHS) is the most severe complication of carotid artery stenting (CAS) or endarterectomy (CEA). Staging treatment can effectively reduce the risk of CHS without increasing the risk of ischemic stroke. The first stage of balloon dilatation is critical for staged treatment. However, the successful criterion of the first stage balloon dilatation is still inconsistent.
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Jiang et al. (2024) studied this question.
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