Journal of Neuroendovascular Therapy
Online ISSN : 2186-2494
Print ISSN : 1882-4072
ISSN-L : 1882-4072
Case Reports
A Patient with Stenosis of the Cervical Internal Carotid Artery in Whom Hyperperfusion Syndrome Occurred after Staged Angioplasty
Jun NiimiKenta TasakaFumio NemotoTakuya MoriwakiKazumi HatayamaHiromichi Naito
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ジャーナル オープンアクセス

2017 年 11 巻 12 号 p. 634-639

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Objective: We report a patient who underwent staged angioplasty (SAP) for stenosis of the cervical internal carotid artery (ICA), but developed hyperperfusion syndrome.

Case Presentation: The patient was an 84-year-old male. Stenosis of the left cervical ICA (pseudo-occlusion) related to cerebral infarction was observed. Emergency angioplasty was performed. At 9 days after the procedure, carotid artery stenting (CAS) was conducted. Restlessness was noted immediately after CAS. In addition, right hemiparesis and aphasia were exacerbated, and a convulsive seizure occurred 4 days later. MRI did not reveal the new onset of cerebral infraction. Single-photon emission computed tomography (SPECT) showed an increase in cerebral blood flow (CBF) in the left parietal lobe, leading to a diagnosis of hyperperfusion syndrome. An anticonvulsive drug was administered, and strict blood pressure control was performed. There was no hemorrhagic complication. The patient was referred to a rehabilitation hospital.

Conclusion: The present case developed hyperperfusion syndrome despite SAP was performed. Currently, there is no consensus for the interval; it is important to carefully determine the interval in each patient by evaluating cerebral perfusion status.

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© 2017 The Japanese Society for Neuroendovascular Therapy

This article is licensed under a Creative Commons [Attribution-NonCommercial-NoDerivatives 4.0 International] license.
https://creativecommons.org/licenses/by-nc-nd/4.0/
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