Clinic notes received as part of the referral process for generator replacement noted that the patient's family has noticed an increased number of staring type spells (which have been consistent with the patient's partial complex seizures in the past), and that the patient felt that their vns might not be working as well.However, the device is noted to be at 18-25% battery status and lead impedance/output current are registering as ok.The physician confirmed that patient began experiencing increased seizures about 1-2 months prior to the office visit recorded in clinic notes, and that the patient's seizures are above pre-vns levels.The physician does not know the reason for increased seizures.No known surgical intervention has occurred and no other relevant information has been received to date.
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