Contrast-induced encephalopathy after coronary angioplasty and stent implantation.

Arch Med Sci Atheroscler Dis

Department of Neurology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.

Published: June 2016

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5421525PMC
http://dx.doi.org/10.5114/amsad.2016.61000DOI Listing

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Article Synopsis
  • Contrast-induced encephalopathy (CIE) is a rare but serious complication after coronary angiography, often presenting as transient cortical blindness; however, this case reports the first instance of CIE accompanied by visual and auditory hallucinations.
  • An 80-year-old female patient experienced confusion and hallucinations following an elective coronary procedure, after complications were encountered during the angiography; stroke was initially suspected but ruled out through MRI.
  • The patient was diagnosed with CIE and treated with sedation and quetiapine for her hallucinations, ultimately leading to the resolution of her symptoms within five days.
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Objective: Contrast-induced encephalopathy (CIE) is a rare but severe complication that can occur following intravascular treatment of intracranial vascular disease. Although CIE is considered a transient neurological disorder, its natural history, pathophysiology, and risk factors are poorly understood. Contrast leakage (CL) is a more frequently observed adverse event than CIE and can lead to CIE.

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Contrast-induced encephalopathy (CIE) is a rare neurological complication that can occur following the use of contrast media during angiographic procedures. It can lead to neurological deficits, such as motor weakness. Transcranial motor-evoked potential (TcMEP) monitoring is commonly used to detect pyramidal tract disorders during embolization for intracranial aneurysms.

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Background: Contrast-induced neurotoxicity (CIN) is a recognised complication of endovascular procedures and has been increasingly observed in recent years. Amongst other clinical gaps, the precise incidence of CIN is unclear, particularly following intracranial interventional procedures.

Methods: A retrospective study of consecutive patients undergoing elective endovascular treatment of unruptured intracranial aneurysms (UIAs) was performed.

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