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Contrast-induced encephalopathy in an infant
Otto Gonzalez-Pardo1, Adriana Ordoñez2, Carlos Roa1
1Fundación Clínica Shaio, Dg 115 A #70C-75, Bogota, Colombia. South America.
Radiology Case Reports
|March 15, 2021
Summary
Contrast-induced encephalopathy (CIE) is a rare complication after contrast media administration, often reversible. This case highlights CIE diagnosis in a pediatric patient following cardiac catheterization.
Area of Science:
- Neurology
- Pediatric Cardiology
- Radiology
Background:
- Contrast-induced encephalopathy (CIE) is a rare neurological complication following administration of iodinated contrast media.
- Nonspecific clinical manifestations of CIE can complicate diagnosis, especially in pediatric patients.
Observation:
- A 2-month-old infant with complex cardiovascular disease experienced a seizure post-cardiac catheterization.
- The patient received nonionic iodinated contrast media during the procedure.
Findings:
- Diagnosis of CIE was based on clinical presentation and head CT scan findings.
- The patient showed clinical improvement and resolution of imaging abnormalities on follow-up CT, confirming reversibility.
Implications:
- This case underscores the importance of considering CIE in pediatric patients presenting with neurological symptoms after contrast media exposure.
- Prompt diagnosis and recognition of reversible imaging changes are crucial for appropriate management of CIE in neonates and infants.

