Guilfoyle Mathew R, Fernandes H, Price S
Department of Neurosurgery, Addenbrooke's Hospital, Cambridge, UK.
Br J Neurosurg. 2007 Feb;21(1):41-2. doi: 10.1080/02688690701243217.
We report the unexpected adjustment of a Strata shunt valve by a vagus nerve stimulator-activating magnet, resulting in symptomatic under-drainage of CSF. Implantable devices using magnets for calibration and activation are becoming more prevalent within neurosurgery and the present case highlights the potential for adverse interactions.