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  • Title: Metrizamide compared with iohexol for cervical myelography: a double-blind study.
    Author: Reisin R, Ethier R, de la Sayette V, Melanson D, Eng F.
    Journal: Can Assoc Radiol J; 1988 Jun; 39(2):107-10. PubMed ID: 2967830.
    Abstract:
    A double-blind comparative study of iohexol and metrizamide for use in cervical myelography through lumbar puncture was carried out in a group of 30 patients. No difference was found in the quality of radiographic examinations of the cervical or lumbar regions nor in the postmyelographic computed tomographic examinations of the cervical spine. The overall incidence of side effects was significantly higher in the metrizamide group (93.4%) than in the iohexol group (40%) (p = 0.002). The differences in incidence of nausea (53% in the metrizamide group compared with 13% in the iohexol group) and vomiting (46.6% with metrizamide, 6.6% with iohexol) were also significant (p = 0.02). Pyramidal signs and seizures occurred only after metrizamide myelography.
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