The Patient State Index as an indicator of the level of hypnosis under general anaesthesia.

@article{Prichep2004ThePS,
  title={The Patient State Index as an indicator of the level of hypnosis under general anaesthesia.},
  author={Leslie S. Prichep and Laverne Gugino and E. Roy John and Robert J. Chabot and Brandi Howard and Henry Merkin and Mary Tom and Stefan Wolter and Linda K. Rausch and Wolfgang J. Kox},
  journal={British journal of anaesthesia},
  year={2004},
  volume={92 3},
  pages={393-9}
}
BACKGROUND This retrospective study describes the performance of the Patient State Index (PSI), under standard clinical practice conditions. The PSI is comprised of quantitative features of the EEG (QEEG) that display clear differences between hypnotic states, but consistency across anaesthetic agents within the state. METHODS The PSI was constructed from a systematic investigation of a database containing QEEG extracted from the analyses of continuous 19 channel EEG recordings obtained in… CONTINUE READING

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