Turkish Neurosurgery 2019 , Vol 29 , Num 2
Vagal Nerve Stimulation has Robust Effects on Neuropsychiatric Assessment in Resistant Epilepsy: A Clinical Series with Clinical Experiences
1Selcuk University, School of Medicine, Department of Neurology, Konya, Turkey
2Dokuz Eylul University, School of Medicine, Department of Neurosurgery, Izmir, Turkey
DOI : 10.5137/1019-5149.JTN.23065-18.4 AIM: To evaluate the resistant epileptic patients who had vagal nerve stimulation (VNS) devices implanted over five years, and to evaluate the neuropsychological aspects of VNS.

MATERIAL and METHODS: Patients with pharmacoresistant epilepsy (PRE) were followed from 2012 to 2017. Totally seven patients were found eligible for VNS in this period. In the pre-surgical period, patients were neuro-psychiatrically assessed by an independent psychiatric committee for mental status, which included assessment of intelligence quotient (IQ), Wechsler adult intelligence scale-revised (WAIS-R) IQ, Stroop test and mini-mental state examination (MMSE), Hamilton depression scale (HDS) and the Beck anxiety inventory (BAI).

RESULTS: The positive effects of VNS on patients" well-being and neuropsychiatric status may be the most as important as the treatment"s cost effectiveness. The patients" quality of life (QoL) was calculated just before and 12th / 24th months after VNS implantation. The pre-VNS scores for Quality of Life in Epilepsy (QoLiE-31-P) ranged from 14-59, and average score was 37.14.The post-VNS scores ranged from 31-72, and the average score was 52.86.

CONCLUSION: VNS has intense effects on QoL of epileptic patients. The best approach for comparing and evaluating QoL in PRE patients may be the QoLiE-31-P inventory, which can be adapted and used in epilepsy centers to evaluate energy, mood, daily activity, cognition, medication effects, seizure worry and overall QoL. Keywords : Vagal nerve stimulation, Quality of life, Neuropsychiatric assessment, Pharmacoresistant epilepsy

Corresponding author : Hulagu KAPTAN, hulagukaptan@yahoo.com