• Because of a case of typical transient global amnesia following cerebral angiography, the records of all patients undergoing cerebral angiography during a seven-year period were reviewed. Six other cases were discovered. All patients had either transfemoral catheter or brachial angiograms performed immediately before the development of amnesia. Spasm of a vertebral artery was noted in one case. None had clinically obvious seizures. All recovered within 24 hours. This only recently reported complication of cerebral angiography is consistent with a vascular etiology of the syndrome of transient global amnesia when not associated with angiography, although a direct toxic effect of the contrast material cannot be excluded.
Cochran JW, Morrell F, Huckman MS, Cochran EJ. Transient Global Amnesia After Cerebral Angiography: Report of Seven Cases. Arch Neurol. 1982;39(9):593–594. doi:10.1001/archneur.1982.00510210063017
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