Vagal Nerve Stimulator Lead Revision Using Needle-Tip Cautery: Case Series, Literature Review, and Technical Note.

Abstract

Vagal nerve stimulators (VNs) have been in use in the United States since the 1990s as a palliative treatment option for drug-resistant epilepsy. Over time, the electrode coils wrapped around the vagus nerve become encapsulated by extensive scar tissue, making complete electrode removal challenging. We present a case series of lead revision surgeries with a unique way to remove the scar tissue around the vagus nerve, demonstrating a technique for complete electrode removal. This was a case series of 9 consecutive patients who underwent complete removal of an existing VNs electrode using needle tip monopolar electrocautery. Complete removal of the entire VNs electrode array was achieved in all patients with no permanent complications seen at postoperative follow-up at 3 months. Complete VNs electrode array removal can be safely achieved by using needle tip monopolar electrocautery.