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Int J Oral Maxillofac Surg · Aug 1995
Review Case ReportsPosterior ischemic optic neuropathy following bilateral radical neck dissection.
- G A Schobel, M Schmidbauer, W Millesi, and G Undt.
- Department of Oral and Maxillofacial Surgery, University of Vienna, Austria.
- Int J Oral Maxillofac Surg. 1995 Aug 1;24(4):283-7.
AbstractA patient is presented with posterior ischemic optic neuropathy (PION) after bilateral radical neck dissection, probably caused by hemodynamic hypotension, combined with other factors. A postmortem histologic study of the optic nerve was performed to analyze the pathogenic mechanism of blindness. To prevent this complication, one should favor a two-stage procedure, avoiding drug-induced hypotension, overtransfusion, and anemia. During the postoperative period, visual acuity should be monitored regularly, and proper positioning of the patient's head is necessary.
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