General Anesthesia Clinical Trial
Official title:
Electrophysiology Based Brain Network Study on Deep Brain Nuclei LFP and Cortical EEG During the Recovery From General Anesthesia
The correlations of deep brain nuclei firing and cerebral cortex activity during recovery from general anesthesia is unclear. In this study, the local field potential (LFP) from the deep brain nuclei and the scalp electroencephalogram (EEG) of the frontal cortex were recorded from patients undergoing deep brain stimulation (DBS) surgery during the recovery from general anesthesia, in order to explore the changes and relevance of deep brain nuclei firing and cortex activity during the recovery of consciousness from general anesthesia .
The recovery of consciousness during the emergence from general anesthesia is an important part of general anesthesia. Previous studies have found that the recovery of consciousness is not a passive process of drug metabolism, but involves the activation of functional neural networks in the brain. However, the temporal-spatial dynamics of different brain regions, including deep brain nuclei and the cortex, during recovery from general anesthesia have not been elucidated. At present, thanks to the perceptible function of the new generation of deep brain stimulation (DBS) equipment, the local field potential (LFP) of deep brain nuclei can be recorded in real time during the patient's recovery from general anesthesia after DBS surgery. This study will simultaneously record the electrophysiological signals of the patient's deep brain nuclei LFP and cortical EEG signals, and analyze the differences and correlations between the deep brain nuclei LFP and the cortical EEG characteristics during recovery from general anesthesia. This provides evidence for understanding how subcortical deep brain nuclei are involved in the recovery of general anesthesia, and provides clues for solving the mystery of consciousness. ;
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