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Contrast-Induced Encephalopathy Following Cerebral Angiography: A Case Report
Shizhu Lin1iD*
1Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
Corresponding Author: Shizhu Lin ORCiD
Address: Department of Anesthesiology, West China Hospital, Sichuan University, No. 37, Guoxue Valley, Wuhou District, Chengdu 610041, Sichuan Province, China.
Received date: 09 May 2026; Accepted date: 28 May 2026; Published date: 04 June 2026
Citation: Lin S. Contrast-Induced Encephalopathy Following Cerebral Angiography: A Case Report. Asp Biomed Clin Case Rep. 2026 Jun 04;9(2):102-106.
Copyright © 2026 Lin S. This is an open-access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium provided the original work is properly cited.
Abstract
Background: Contrast-induced encephalopathy is a rare but potentially serious neurological complication that occurs after intra-arterial injection of iodinated contrast media. It may manifest as acute encephalopathy, seizures, cortical blindness, hemiplegia, or other focal neurological deficits.
Case Presentation: A 46-year-old female developed right-sided limb weakness and language dysfunction during transfer after endovascular treatment of an intracranial aneurysm. After comprehensive management, the patient recovered uneventfully and was discharged without residual neurological deficits.
Conclusion: Contrast-induced encephalopathy is a potential complication following cerebral angiography. Anesthesiologists should remain vigilant regarding postoperative neurological events even in procedures performed under local anesthesia and should actively participate in multidisciplinary collaborative management.
Keywords: Contrast-Induced Encephalopathy, Cerebral Angiography, Local Anesthesia
Abstract
Background: Contrast-induced encephalopathy is a rare but potentially serious neurological complication that occurs after intra-arterial injection of iodinated contrast media. It may manifest as acute encephalopathy, seizures, cortical blindness, hemiplegia, or other focal neurological deficits.
Case Presentation: A 46-year-old female developed right-sided limb weakness and language dysfunction during transfer after endovascular treatment of an intracranial aneurysm. After comprehensive management, the patient recovered uneventfully and was discharged without residual neurological deficits.
Conclusion: Contrast-induced encephalopathy is a potential complication following cerebral angiography. Anesthesiologists should remain vigilant regarding postoperative neurological events even in procedures performed under local anesthesia and should actively participate in multidisciplinary collaborative management.
Keywords: Contrast-Induced Encephalopathy, Cerebral Angiography, Local Anesthesia
Abstract
Background: Contrast-induced encephalopathy is a rare but potentially serious neurological complication that occurs after intra-arterial injection of iodinated contrast media. It may manifest as acute encephalopathy, seizures, cortical blindness, hemiplegia, or other focal neurological deficits.
Case Presentation: A 46-year-old female developed right-sided limb weakness and language dysfunction during transfer after endovascular treatment of an intracranial aneurysm. After comprehensive management, the patient recovered uneventfully and was discharged without residual neurological deficits.
Conclusion: Contrast-induced encephalopathy is a potential complication following cerebral angiography. Anesthesiologists should remain vigilant regarding postoperative neurological events even in procedures performed under local anesthesia and should actively participate in multidisciplinary collaborative management.