Horner syndrome associated with implantation of a vagus nerve stimulator

PURPOSE: To report a case of Horner syndrome that occurred after implantati on of a vagus nerve stimulator. METHODS: Case report. RESULTS: A 6-year-old female with cerebral dysgenesis and intractable parti al seizures presented with Horner syndrome after vagus nerve stimulator imp lantation. CONCLUSION: Horner syndrome can occur as a result of the vagus nerve stimul ator implant procedure and should be included as one of its possible surgic al complications. (Am J Ophthalmol 2001;131:383-384, (C) 2001 by Elsevier S cience Inc, All rights reserved.).