Transient Global Amnesia Induced by Iodixanol During Percutaneous Coronary Intervention: A Rare Neurological Adverse Reaction

Case presentation: A 71-year-old man, with a history of coronary artery disease was admitted to outpatient department for chest pain and tightness. Before combined Coronary Arteriography (CAG) and PCI using 100ml iodixanol. Iodixanol-induced TGA, which manifested sudden amnesia after the procedure, was diagnosed by urgent Computed Tomography (CT). CT result did not reveal any recent cerebral ischemia, and physical examination showed no obvious neurological deficit. The patient recovered uneventfully within 24 hours, and without any neurological sequelae.