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Related Experiment Video

Updated: Oct 22, 2025

Point of Care Transcranial Color-Coded Duplex Ultrasound of the Middle Cerebral Artery
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Contrast-induced encephalopathy.

L Babalova, R Ruzinak, J Ballova

    Bratislavske Lekarske Listy
    |August 31, 2021
    PubMed
    Summary

    Contrast-induced encephalopathy (CIE), a rare complication of contrast agents, can cause temporary neurological symptoms like cortical blindness. Prompt neuroimaging is crucial for diagnosing and managing this condition, as illustrated by a case following vertebral artery angiography.

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    Area of Science:

    • Neurology
    • Radiology
    • Nephrology

    Background:

    • Contrast-induced encephalopathy (CIE) is an uncommon adverse reaction to intravascular contrast agents.
    • Symptoms of CIE include headache, cortical blindness, altered consciousness, seizures, and focal neurological deficits.
    • Neurological manifestations are typically transient, often with temporary abnormalities on neuroimaging.

    Purpose of the Study:

    • To report a case of contrast-induced encephalopathy (CIE).
    • To highlight the importance of urgent neuroimaging in diagnosing CIE.
    • To discuss management strategies for CIE in patients undergoing angiography.

    Main Methods:

    • A case presentation of CIE following digital subtraction angiography of the vertebral arteries.
    • Review of clinical presentation, diagnostic findings, and treatment of the patient.
    • Discussion of the role of contrast agents and pre-existing vascular conditions.

    Main Results:

    • The patient developed symptoms consistent with CIE after cerebral angiography.
    • Neuroimaging was essential for confirming the diagnosis and guiding acute management.
    • Neurological symptoms resolved with appropriate medical intervention.

    Conclusions:

    • Contrast-induced encephalopathy is a rare but significant complication of contrast media administration.
    • Timely diagnosis through urgent neuroimaging is critical for effective patient management.
    • Cerebral angiography, particularly in patients with cerebrovascular disease, requires careful consideration of potential CIE risks.