Reporting Response Entropy Along With State Entropy Would Enhance Differentiating Nociception.

Published on Sep 1, 2021in Anesthesia & Analgesia4.305
· DOI :10.1213/ANE.0000000000005645
Mehmet S Ozcan (Yale University), Jean Charchaflieh9
Estimated H-index: 9
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#1Michele CarellaH-Index: 1
#2Gabriel TranH-Index: 2
Last. Colette FranssenH-Index: 2
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BACKGROUND The anesthetic management of supratentorial craniotomy (CR) necessitates tight intraoperative hemodynamic control. This type of surgery may also be associated with substantial postoperative pain. We aimed at evaluating the influence of regional scalp block (SB) on hemodynamic stability during the noxious events of supratentorial craniotomies and total intravenous anesthesia, its influence on intraoperative anesthetic agents' consumption, and its effect on postoperative pain control. M...
5 CitationsSource
#1A. J. Aho (UTA: University of Tampere)H-Index: 7
#2Arvi Yli-Hankala (UTA: University of Tampere)H-Index: 29
Last. Ville Jäntti (UTA: University of Tampere)H-Index: 22
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Background Entropy™ is an anaesthetic EEG monitoring method, calculating two numerical parameters: State Entropy (SE, range 0–91) and Response Entropy (RE, range 0–100). Low Entropy numbers indicate unconsciousness. SE uses the frequency range 0.8–32 Hz, representing predominantly the EEG activity. RE is calculated at 0.8–47 Hz, consisting of both EEG and facial EMG. RE–SE difference (RE−SE) can indicate EMG, reflecting nociception. We studied RE−SE and EMG in patients anaesthetized without neur...
45 CitationsSource
#1Grégoire Weil (Institut Gustave Roussy)H-Index: 3
#2Sylvie PassotH-Index: 4
Last. Valerie BillardH-Index: 7
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BACKGROUND: Spectral entropy is an electroencephalogram-based monitoring technique with a frequency band enlarged to include the electromyogram spectrum, which is intended to help to assess analgesia. Although its correlation with hypnosis has been shown, its performance during a noxious stimulation and the influence of neuromuscular blockade have not been described. METHODS: In this prospective, open, multicenter study, 105 patients received propofol then remifentanil target-controlled infusion...
22 CitationsSource
#2V MajaH-Index: 1
Last. Meriläinen PH-Index: 2
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