Contrast‐Induced Encephalopathy After Neurointerventional Procedures: A Series of Three Cases

Introduction: Contrast‐induced encephalopathy (CIE) is a rare complication that may occur following contrast administration during endovascular interventions. The phenomenon is well‐described following coronary angiography but reports following endovascular neurointerventional procedures are sparse....

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Published in:Case reports in neurological medicine Vol. 2025; no. 1; p. 4384841
Main Authors: Wang, Kaiying, Goh, Rudy, El-Masri, Shaddy, Bacchi, Stephen, Patel, Sandy, Jannes, Jim, Kleinig, Timothy
Format: Journal Article
Language:English
Published: United States John Wiley & Sons, Inc 01.01.2025
Wiley
Subjects:
Angiography
Complications and side effects
Encephalopathy
Levetiracetam
Medical imaging equipment
Medical research
Medicine, Experimental
Pantoprazole
Tenecteplase
Ticagrelor
Tirofiban
Australia
computed tomography
case report
differential diagnosis
contrast-induced encephalopathy
radiology
stroke management
ISSN:2090-6668, 2090-6676
Online Access:Get full text
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Summary:Introduction: Contrast‐induced encephalopathy (CIE) is a rare complication that may occur following contrast administration during endovascular interventions. The phenomenon is well‐described following coronary angiography but reports following endovascular neurointerventional procedures are sparse. This study aims to describe the clinical presentation, treatment and outcome of CIE in a tertiary metropolitan hospital in South Australia. Methods: This study describes a case series of 3 patients diagnosed with CIE following cerebral angiography within a 1‐year period in a tertiary hospital. Results: All patients developed slowly progressive (and/or new) focal or global neurological deficits 2–7 h postprocedure and exhibited characteristic neuroimaging findings. Two of three patients made an excellent recovery with supportive care, improving after 48–72 h, although one died due to the severity of her associated stroke. Conclusion: CIE should be suspected in patients presenting with acute neurological deterioration following cerebral angiography. Supportive care may lead to full recovery. Multicentre prospective cohort studies are required to better define associations, diagnostic criteria and interventions to prevent and/or treat this condition.
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ISSN:2090-6668
2090-6676
DOI:10.1155/crnm/4384841