Depth of Anesthesia: Difference between revisions

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Processed EEG monitor. The PSI (Patient State Index) translates the effect of anesthetic drugs in humans into a numeric scale ranging from 0 (complete EEG suppression) to 100 (fully awake). The target value for general anesthesia is between 25-50. A study showed that this monitor better captured changes in brain state from dexmedetomidine sedation, compared to RASS score and SEF95<ref>EEG response of dexmedetomidine during drug induced sleep endoscopy  
Processed EEG monitor. The PSI (Patient State Index) translates the effect of anesthetic drugs in humans into a numeric scale ranging from 0 (complete EEG suppression) to 100 (fully awake). The target value for general anesthesia is between 25-50. A study showed that this monitor better captured changes in brain state from dexmedetomidine sedation, compared to RASS score and SEF95<ref>EEG response of dexmedetomidine during drug induced sleep endoscopy https://pubmed.ncbi.nlm.nih.gov/37521700/</ref>. Another study suggests that PSI may be adequate to monitor anesthesia with sevoflurane in the pediatric population, when compared to the BIS monitor<ref>Usefulness of bispectral index and patient state index during sevoflurane anesthesia in children: A prospective observational study
 
https://journals.lww.com/md-journal/pages/articleviewer.aspx?year=2022&issue=07290&article=00027&type=Fulltext</ref>.


https://pubmed.ncbi.nlm.nih.gov/37521700/</ref>. Another study suggests that PSI may be adequate to monitor anesthesia with sevoflurane in the pediatric population, when compared to the BIS monitor<ref>Usefulness of bispectral index and patient state index during sevoflurane anesthesia in children: A prospective observational study


https://journals.lww.com/md-journal/pages/articleviewer.aspx?year=2022&issue=07290&article=00027&type=Fulltext</ref>{{Stub Notice}}


[https://pubmed.ncbi.nlm.nih.gov/15172773/ Bispectral index monitoring to prevent awareness during anaesthesia: the B-Aware randomised controlled trial]
[https://pubmed.ncbi.nlm.nih.gov/15172773/ Bispectral index monitoring to prevent awareness during anaesthesia: the B-Aware randomised controlled trial]
[https://pubmed.ncbi.nlm.nih.gov/31557307/ Bispectral index for improving intraoperative awareness and early postoperative recovery in adults]
[https://www.bjanaesthesia.org/article/S0007-0912(23)00473-7/fulltext Depth of anaesthesia monitoring: updated evidence. Comment]
[https://pubmed.ncbi.nlm.nih.gov/37198033/ Depth of anaesthesia monitoring: time to reject the index?]
[https://www.ncbi.nlm.nih.gov/books/NBK557596/ StatPearls: Anesthesia Stages]{{Stub Notice}}
[https://pubmed.ncbi.nlm.nih.gov/15172773/  Bispectral index monitoring to prevent awareness during anaesthesia: the B-Aware randomised controlled trial]


[https://pubmed.ncbi.nlm.nih.gov/31557307/ Bispectral index for improving intraoperative awareness and early postoperative recovery in adults]
[https://pubmed.ncbi.nlm.nih.gov/31557307/ Bispectral index for improving intraoperative awareness and early postoperative recovery in adults]
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