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Korean J Anesthesiol > Volume 51(4); 2006 > Article
Korean Journal of Anesthesiology 2006;51(4):490-494.
DOI: https://doi.org/10.4097/kjae.2006.51.4.490   
Abnormal BIS and Cerebral Oxygen Saturation during Mitral Valvuloplasty following Reversible Visual Loss in Postoperative Period: A case report.
Hye Jin Kim, Yoon Kyung Lee, Kyung Don Hahm, Ji Yeon Sim, In Cheol Choi, Long Zhe Piao
1Department of Anesthesiology and Pain Medicine, Asan Medical Center, College of Medicine, University of Ulsan, Seoul, Korea. icchoi@amc.seoul.kr
2Department of Anesthesia, Yanbian Tumor Hospital, Jilin, China.
Cerebral complication after cardiac surgery with cardiopulmonary bypass varies widely focal neurologic deficit, stupor, coma, dementia, memory deficit, or seizures. The incidence of visual loss from ischemic optic neuropathy is from 0.06% to 0.113%. Visual loss is a rare but devastating complication of cardiac surgery. This report describes a patient who had reversible visual loss in postoperative period. She had undergone the decrease of bispectral index, cerebral oxygen saturation and the increase of suppression ratio during mitral valvuloplasty.
Key Words: bispectral index; cerebral oxygen saturation; delirium; hypertensive encephalopathy; visual loss
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