Published in:
01-07-2009 | Erratum
A comparison of the ability of the EEGo and BIS monitors to assess emergence following neurosurgery
Published in: Canadian Journal of Anesthesia/Journal canadien d'anesthésie | Issue 7/2009
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In the article entitled: “A comparison of the ability of the EEGo and BIS monitors to assess emergence following neurosurgery” published in the May 2009 issue, Can J Anesth 2009; 56:366–373, the legend for Fig. 1 on page 368 was incorrect. The correct legend is as follows:
Fig. 1
Three characteristic images depicting depth of sedation with the electroencephalogram (EEGo) monitor. These are time-delay plots called attractors. Each figure shows the attractor in two views with the raw EEG signal at the bottom. a Periodic attractor: demonstrates an adequate depth of hypnosis. b Toroidal attractor: this doughnutshaped attractor is the characteristic pre-emergent form seen prior to awakening. c Chaotic attractor: seen with an awake patient. The vertical bars (each in triplicate) individually highlight the time-delay (8–10 samples at 1200 samples · s−1). The distance between the vertical bars indicates the composite graphical display of the two images displayed above the raw EEG signal. The Point attractor is not shown: seen with burst suppression of the EEG. In this situation a small dot is seen in the centre of the rotating box irrespective of orientation with isoelectricity. A video link from the original paper describing the EEGo can be accessed at: http://download.lww.com/wolterskluwer_vitalstream_com/pt/anes/v105n5p927.mov
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