Contrast-induced encephalopathy following coronary angioplasty with iohexol

Abstract

We report a case of a patient who developed acute encephalopathy following coronary angioplasty with iohexol contrast. The patient's clinical condition was associated with slowing on the EEG. Studies did not reveal any other etiology or contributing cause for the encephalopathy. The patient recovered spontaneously in 24 hours with only supportive measures. This report suggests that such a drug reaction could occur with iohexol injected in the coronaries, but reassures that the encephalopathy is self limiting.