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Transient cortical blindness after coronary angiography.
  1. R Parry,
  2. J R Rees,
  3. P Wilde
  1. Department of Radiology, Bristol Royal Infirmary.


    Transient visual loss lasting three days developed after transfemoral coronary angiography in a 62 year old man. Computed tomography (CT) showed bilateral leakage of contrast medium into the occipital cortex. A repeat CT scan after his sight recovered showed clearance of contrast with no underlying infarction. A breakdown of the blood-brain barrier with direct neurotoxicity of the contrast media seemed to be the cause of these neurological changes after coronary angiography which apparently have not been reported before.

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