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¹Cumhuriyet Üniversitesi Tıp Fakültesi Nöroşirürji Anabilim Dalı, Sivas
²Cumhuriyet Üniversitesi Tıp Fakültesi Radyoloji Anabilim Dalı, Sivas
³Cumhuriyet Üniversitesi Tıp Fakültesi Nöroşirürji Fizyoloji Anabilim Dalı, Sivas Spinal cord electrical stimulation is a method of pain treatment. Although an increase of cerebral blood flow after high cervical spinal cord stimulation has been shown in various experimental and clinical studies, the mechanism of this effect is still controversial. Widely accepted explanation is reversible inhibition of cerebrovascular symphatetic activity after high cervical spinal cord stimulation. The aim of this study is to investigate the reliability of this hypothesis. For this purpose, spinal cord stimulation was performed directly in one group of rabbits, and after cervical symphatetic ganglionectomy in another group. Cerebral blood flow changes in experimental groups are srndied by transcranial Doppler ultrasonography. The results of this study revealed that cerebral blood flow changes after spinal cord stimulation are not solely dependent on symphatetic inhibition. Anahtar Kelimeler : Cerebral blood flow, Doppler ultrasonography, spinal cord stimulation, symphatectomy