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Brain areas modulation in consciousness during sevoflurane anesthesia
Jie Lyu1, Huajing Cai1, Yeru Chen1
1Department of Anesthesiology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
Frontiers in Integrative Neuroscience
|January 9, 2023
Summary
Sevoflurane anesthesia
Area of Science:
- Anesthesiology and Neuroscience
Background:
- Sevoflurane is a widely used inhaled anesthetic.
- Its precise mechanisms of action and brain targets remain incompletely understood.
- Understanding these is crucial for anesthesia and consciousness research.
Purpose of the Study:
- To review the brain areas affected by sevoflurane.
- To explore the relationship between sevoflurane's action and consciousness during anesthesia.
- To synthesize 20 years of research from bench to bedside.
Main Methods:
- Review of functional magnetic resonance imaging (fMRI) studies.
- Analysis of electroencephalogram (EEG) data.
- Examination of pharmacological experiments and neurotransmitter interactions.
Main Results:
- Sevoflurane targets GABAA receptors in neurons and astrocytes.
- Specific brain regions are identified as key sites of sevoflurane action.
- Interactions with various neurotransmitters modulate brain circuit activity.
Conclusions:
- Sevoflurane's effects on consciousness are mediated by specific brain circuits.
- Further research can enhance anesthetic precision and accuracy.
- This review provides insights into the neurobiological basis of consciousness during anesthesia.
Keywords:
circuitsconsciousnessgeneral anesthesialoss of righting reflexrecovery of righting reflexsevofluraneMore Related Videos
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