Reporter indicated that pt experienced an increase in seizure activity with the vns.
It was reported that the pt's usual pattern was a cluster lasting 1 1/2 days every 3 weeks.
Following the vns implant, the pt's clusters occurred every 8 days.
When the vns was programmed to off, the pt's seizure frequency returned to every 3 weeks.
When the vns was programmed back on, the pt's seizure frequency again increased to every 8 days.
Attempts to obtain additional info have been unsuccessful to date.
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