Comparison of spectral entropy and bispectral index electroencephalography in coronary artery bypass graft surgery

Journal of Cardiothoracic and Vascular Anesthesia
Werner BauligUrs Schwarz

Abstract

The study's aim was to compare response entropy (RE) and state entropy (SE) with bispectral index (BIS) electroencephalography (EEG) as an alternative cerebral monitoring tool in patients scheduled for coronary artery bypass graft surgery. Prospective, observational single-center study. University hospital. Thirty patients undergoing coronary artery bypass graft surgery receiving remifentanil-propofol anesthesia. Surgery was performed with cardiopulmonary bypass (CPB) and cardiac arrest in 15 patients, with CPB without cardiac arrest in 9 patients and without CPB in 6 patients. RE, SE, BIS, burst suppression ratio (BSR), and frontal electromyography (f-EMG) were detected simultaneously. RE and SE compared favorably with BIS and their correlations were strong (r(2) = 0.6, r(2) = 0.55, respectively). The mean bias of RE and BIS was -1.8, but limits of agreement were high (+20.5/-24.1). RE and SE tended to be lower than the BIS values in the CPB subgroups. The detection of BSR was similar with RE and SE and the BIS. A strong correlation existed between BIS and f-EMG (r(2) = 0.62) in contrast to RE (r(2) = 0.45) and SE (r(2) =0.39). BIS monitoring was significantly more disturbed than RE and SE with 9.1% +/-10.9% and 0.1% +/- 0.2% ...Continue Reading

References

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Citations

Mar 29, 2012·TheScientificWorldJournal·Chanannait PaisansathanMehmet S Ozcan
Mar 16, 2013·Saudi Journal of Anaesthesia·Mohamed R El Tahan
Apr 17, 2012·Journal of Cardiothoracic and Vascular Anesthesia·Ma JiahaiJiang Xiuliang
Mar 13, 2012·Journal of Cardiothoracic and Vascular Anesthesia·Mohamed R El Tahan, Alaa M Khidr
Oct 4, 2015·Revista española de anestesiología y reanimación·B Escontrela RodríguezA Martínez Ruiz
Mar 16, 2016·The Cochrane Database of Systematic Reviews·Anjolie ChhabraSaloni Paranjape
Apr 23, 2011·Journal of Clinical Monitoring and Computing·Tadeusz MusialowiczIlkka Parviainen
Oct 6, 2011·Current Opinion in Anaesthesiology·Francisco A Lobo, Stefan Schraag
Jan 22, 2020·Equine Veterinary Journal·Rocío Navarrete-CalvoMaría M Granados
Oct 8, 2020·European Journal of Anaesthesiology·Marie-Therese GeorgiiMatthias Kreuzer
Jun 22, 2010·Journal of Cardiothoracic and Vascular Anesthesia·Harvey L Edmonds
Mar 10, 2011·Current Opinion in Anaesthesiology

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