Contrast-Induced encephalopathy following diagnostic coronary angiography

Hytham Rashid1,2,3, Jonathan Brown1,2, Emily Nix3

  • 1University of Houston College of Medicine Houston USA.

Clinical Case Reports
|March 28, 2022
PubMed

Insights

Contrast-induced encephalopathy (CIE) is a rare complication of coronary angiography, often mimicking stroke. This case highlights diagnostic challenges and emphasizes CIE as a diagnosis of exclusion.

Area of Science:

  • Neurology
  • Radiology
  • Cardiology

Background:

  • Coronary angiography is a common procedure for diagnosing heart conditions.
  • Contrast media used in angiography can rarely cause adverse neurological events.
  • Contrast-induced encephalopathy (CIE) is a recognized but infrequent complication.

Observation:

  • A patient presented with acute confusion and neurological deficits post-coronary angiography.
  • Initial presentation mimicked acute ischemic stroke, posing a diagnostic dilemma.
  • Symptoms resolved spontaneously within 48 hours.

Findings:

  • The patient's neurological symptoms were attributed to contrast-induced encephalopathy (CIE).
  • CIE is a diagnosis of exclusion, requiring thorough evaluation to rule out other causes.
  • Prompt recognition is crucial for appropriate patient management.

Implications:

  • Awareness of CIE is essential for clinicians interpreting neurological changes after angiography.
  • This case underscores the importance of considering CIE in the differential diagnosis of post-procedural neurological dysfunction.
  • Further research may elucidate specific risk factors and preventative strategies for CIE.

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