It was observed during a review of the manufacturer's in house programming history data that the patient was inadvertently programmed to 60 minutes of off time resulting in a low therapy level.This was the result of a faulted systems diagnostics test on (b)(6) 2014 that reprogrammed the device.The settings were then re-programmed on (b)(6) 2014 to correct the faulted diagnostics test, however the off time of 60 minutes was not corrected.An increase in seizure activity below the pre-vns baseline was reported and it was attributed by the medical professional to be due to the unintentional sub-therapeutic levels due to the vns off time being too high.No additional relevant information has been received to-date.
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