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  • Title: The toxicity of the non-ionic water-soluble contrast media iohexol and metrizamide (Amipaque) in selective vertebral angiography. An experimental study in rabbits.
    Author: Skalpe IO.
    Journal: Neuroradiology; 1981 Jan; 20(5):235-9. PubMed ID: 7465042.
    Abstract:
    Selective left vertebral angiography was carried out in 25 rabbits comparing the toxic effects of iohexol and metrizamide (Amipaque). The iodine concentration for iohexol was 280 and 350 mg/ml and for metrizamide 350 mg/ml. Short general convulsions were seen in many of the animals with iohexol in the concentration of 350 mg iodine/ml. Cardiovascular reactions were seen with both contrast media, but were more marked with iohexol than with metrizamide in the concentration of 350 mg iodine/ml. Both iohexol and metrizamide are far less toxic than the ionic contrast medium metrizoate, but metrizamide seems to be less toxic than iohexol in vertebral angiography.
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