Cerebral hyperperfusion syndrome after stenting for revascularization of intracranial internal carotid artery dissection

Cerebral hyperperfusion syndrome (CHS) is one of the complications that may occur after cerebral revascularization. Severe symptoms, including intracerebral hemorrhage, can lead to death. To date, several pathophysiologies are suspected to cause CHS, cerebral autoregulation impairment resulting from chronic cerebral ischemia being the most important one [1]. Although CHS could also occur after intracranial stenting for cerebral revascularization, previous studies mainly were on atherosclerotic steno-occlusive disease [1], which had a background of long-standing cerebral hypoperfusion. In this article, we report a case of CHS after intracranial stenting for revascularization of intracranial arterial dissection (IAD) related stenosis presenting with progression of ischemic symptoms in a short period.

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