Description of the Entropy™ algorithm as applied in the Datex-Ohmeda S/5™ Entropy Module
Corresponding Author
H. Viertiö-Oja
Datex-Ohmeda Division, Instrumentarium Corp., Helsinki,
* Hanna Viertiö-Oja Datex-Ohmeda Division Instrumentarium Corp. PO BOX 900 FIN-00031 Datex-Ohmeda Finland e-mail: [email protected]Search for more papers by this authorV. Maja
Datex-Ohmeda Division, Instrumentarium Corp., Helsinki,
Search for more papers by this authorM. Särkelä
Datex-Ohmeda Division, Instrumentarium Corp., Helsinki,
Search for more papers by this authorP. Talja
Datex-Ohmeda Division, Instrumentarium Corp., Helsinki,
Search for more papers by this authorN. Tenkanen
Datex-Ohmeda Division, Instrumentarium Corp., Helsinki,
Search for more papers by this authorH. Tolvanen-Laakso
Datex-Ohmeda Division, Instrumentarium Corp., Helsinki,
Search for more papers by this authorM. Paloheimo
Department of Anesthesia, Eye and Ear Hospital, Helsinki University Hospital, Helsinki,
Search for more papers by this authorA. Vakkuri
Department of Anesthesia, Surgical Hospital, Helsinki University Hospital, Helsinki,
Search for more papers by this authorA. Yli-Hankala
Department of Anesthesia, Tampere University Hospital, and University of Tampere, Medical School, Tampere, and
Search for more papers by this authorCorresponding Author
H. Viertiö-Oja
Datex-Ohmeda Division, Instrumentarium Corp., Helsinki,
* Hanna Viertiö-Oja Datex-Ohmeda Division Instrumentarium Corp. PO BOX 900 FIN-00031 Datex-Ohmeda Finland e-mail: [email protected]Search for more papers by this authorV. Maja
Datex-Ohmeda Division, Instrumentarium Corp., Helsinki,
Search for more papers by this authorM. Särkelä
Datex-Ohmeda Division, Instrumentarium Corp., Helsinki,
Search for more papers by this authorP. Talja
Datex-Ohmeda Division, Instrumentarium Corp., Helsinki,
Search for more papers by this authorN. Tenkanen
Datex-Ohmeda Division, Instrumentarium Corp., Helsinki,
Search for more papers by this authorH. Tolvanen-Laakso
Datex-Ohmeda Division, Instrumentarium Corp., Helsinki,
Search for more papers by this authorM. Paloheimo
Department of Anesthesia, Eye and Ear Hospital, Helsinki University Hospital, Helsinki,
Search for more papers by this authorA. Vakkuri
Department of Anesthesia, Surgical Hospital, Helsinki University Hospital, Helsinki,
Search for more papers by this authorA. Yli-Hankala
Department of Anesthesia, Tampere University Hospital, and University of Tampere, Medical School, Tampere, and
Search for more papers by this authorWork performed for Datex-Ohmeda Division, Instrumentarium Corp., Helsinki, Finland, and presented in part at the 27th Congress of the Scandinavian Society of Anesthesiology, and Intensive Care Medicine, Helsinki, Finland, August 16–20, 2003.
References
- 1 Shannon CE. A mathematical theory of communication. Bell System Techn J 1948; 27 (379–423): 623–56.
- 2 Johnson RW, Shore JE. Which is the better entropy expression for speech processing: -S log S or log S? IEEE Trans Acoust 1984; ASSP-32: 129–37.
- 3 Pincus SM, Gladstone IM, Ehrenkranz RA. A regularity statistic for medical data analysis. J Clin Monit 1991; 7: 335–45.
- 4 Bruhn J, Ropcke H, Hoeft A. Approximate entropy as an electroencephalographic measure of anesthetic drug effect during desflurane anesthesia. Anesthesiology 2000; 92: 715–26.
- 5 Bruhn J, Lehmann LE, Ropcke H, Bouillon TW, Hoeft A. Shannon entropy applied to the measurement of the electroencephalographic effects of desflurane. Anesthesiology 2001; 95: 30–5.
- 6 Rezek IA, Roberts SJ. Stochastic complexity measures for physiological signal analysis. IEEE Trans Biomed Eng 1998; 45: 1186–91.
- 7 Inouye T, Shinosaki K, Sakamoto H et al. Quantification of EEG irregularity by use of the entropy of the power spectrum. Electroencephalogr Clin Neurophysiol 1991; 79: 204–10.
- 8 Marple SL. Digital Spectral Analysis with Applications. Englewood Cliffs: NJ Prentice Hall, 1987.
- 9 Särkelä M et al. Automatic analysis and monitoring of burst suppression in anesthesia. J Clin Monit Comp 2002; 17: 125–34.
Citing Literature
