Reduced excitatory neurotransmission in the hippocampus after inflammation and sevoflurane anaesthesia

Khodaei, Shahin; Wang, Dian-Shi; Orser, Beverley A.

doi:10.1016/j.bjao.2023.100143

BJA Open

2023

DOI: 10.1016/j.bjao.2023.100143

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Reduced excitatory neurotransmission in the hippocampus after inflammation and sevoflurane anaesthesia

Shahin Khodaei¹,

Dian-Shi Wang²,

Beverley A. Orser³

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2024

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Research Progress of Hippocampal Dopamine System Changes in Perioperative Neurocognitive Disorders

Jia,

Chen,

et al. 2024

J. Integr. Neurosci.

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Perioperative neurocognitive disorders (PND) are a cognitive impairment that occurs after anesthesia, especially in elderly patients and significantly affects their quality of life. The hippocampus, as a critical region for cognitive function and an important location in PND research, has recently attracted increasing attention. However, in the hippocampus the impact of anesthesia and its underlying mechanisms remain unclear. This review focuses on investigation of the effects of anesthesia on the hippocampal dopamine (DA) system and explores its potential association with PND. Through comprehensive review of existing studies, it was found that anesthesia affects the hippocampus through various pathways involved in metabolism, synaptic plasticity and oxygenation. Anesthesia may also influence the DA neurotransmitter system in the brain which plays a role in emotions, rewards, learning and memory functions. Specifically, anesthesia may participate in the pathogenesis of PND by affecting the DA system within the hippocampus. Future studies should explore the molecular mechanisms of these effects through techniques such as neuroimaging to study real-time effects to improve animal models to better simulate clinical observations. For clinical application, it is recommended that physicians exercise caution when selecting and managing anesthetic drugs by adopting comprehensive cognitive assessment methods to reduce post-anesthesia cognitive risk. Overall, this review provides a better understanding of the relationship between the hippocampal DA system and perioperative neurocognitive function and provides valuable guidance for prevention and treatment strategies for PND.

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Research Progress of Hippocampal Dopamine System Changes in Perioperative Neurocognitive Disorders

Jia,

Chen,

et al. 2024

J. Integr. Neurosci.

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show abstract

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Reduced excitatory neurotransmission in the hippocampus after inflammation and sevoflurane anaesthesia

Cited by 1 publication

References 42 publications

Research Progress of Hippocampal Dopamine System Changes in Perioperative Neurocognitive Disorders

Research Progress of Hippocampal Dopamine System Changes in Perioperative Neurocognitive Disorders

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