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Abstract
Objective and Importance: To report a rare case of cerebrospinal fluid gusher and subsequent seizure immediately after cochlear implant electrode insertion.
Clinical Presentation: After the cochlear implant electrode was inserted, brisk flow of 10 mL of cerebrospinal fluid was seen. The electrode was promptly inserted and the leak was additionally sealed with fascia. Seconds later, the patient had a tonic-clonic seizure lasting 30 seconds. Two additional episodes occurred during the case. Her postoperative course was uneventful with no subsequent seizures. The device has been successfully activated.
Intervention & Technique: Postoperative imaging showed correct intracochlear placement of the electrode as well as an incidental enlarged vestibular aqueduct. Neurology consultation including electroencephalogram was unremarkable.
Conclusion: To our knowledge, this is the first report of a seizure temporally associated with cochlear implant electrode insertion. The significance and possible casual relationship between these two events is discussed.
Acknowledgements
The authors thank Mary Kemper for medical editing of the manuscript.
Disclosures
Alexander B. Musser, DMD and James C. Phero, DMD, have no relevant conflict of interest to disclose. Ravi N. Samy, MD has received financial compensation from Med El and Cochlear in return for his duties as an advisory board member and for research funding. Justin S. Golub, MD had travel/lodging expenses paid for an educational course from Cochlear.