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Neurointervention > Epub ahead of print
DOI: https://doi.org/10.5469/neuroint.2022.00353    [Epub ahead of print]
Published online November 24, 2022.
Fully Reversible Contrast-Induced Encephalopathy Mimicking Stroke after Flow Diverter Treatment of Carotid Cave Aneurysm
Elie Diamandis1  , Vanessa M. Swiatek2  , Daniel Behme1 
1Department of Neuroradiology, Otto-von-Guericke University, Magdeburg, Germany
2Department of Neurosurgery, Otto-von-Guericke University, Magdeburg, Germany
Corresponding author:  Elie Diamandis, Tel: +49-391-67-25280, Fax: +49-391-67-290346, 
Email: elie.diamandis@gmail.com
Received: 15 August 2022   • Revised: 1 November 2022   • Accepted: 5 November 2022
Abstract
Contrast-induced encephalopathy (CIE) is a rare complication of coronary and neurointerventional procedures. The condition is believed to arise from endothelial damage secondary to exposure to iodinated contrast media. A wide spectrum of clinical manifestations has been reported including seizures, cortical blindness, and focal neurological deficits. This report details the case of fully reversible CIE mimicking severe anterior circulation stroke in a 55-year-old female following elective endovascular treatment with a flow diverter of a carotid cave aneurysm. The patient was managed conservatively with intravenous hydration and steroids and showed an excellent prognosis with supportive management.
Key Words: Contrast-induced encephalopathy; Contrast media; Contrast-induced neurotoxicity; Ischemic attack, transient; Cerebral angiography; Stroke mimics
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