Nonlinear analysis of the electroencephalogram in depth of anesthesia

Authors

DOI:

https://doi.org/10.17533/udea.redin.n75a06

Keywords:

Depth of anesthesia monitoring, EEG features extraction, nonlinear complexity analyses, digital signal processing

Abstract


Digital signal processing of the electroencephalogram (EEG) became important in monitoring depth of anesthesia (DoA) being used to provide a better anesthetic technique. The objective of this work was to conduct a review about nonlinear mathematical methods applied recently to the analyses of nonlinear non-stationary EEG signal. A review was conducted showing time- and frequency-domain nonlinear mathematical methods recently applied to EEG analysis: Approximate Entropy, Sample Entropy, Spectral Entropy, Permutation Entropy, Wavelet Transform, Wavelet Entropy, Bispectrum, Bicoherence and Hilbert Huang Transform. Some algorithms were implemented and tested in one EEG signal record from a patient at The Sabana University Clinic. Recently published results from different methods are discussed. Nonlinear techniques such as entropy analysis in time domain and combination with wavelet transform, and Hilbert Huang transform in frequency domain have shown promising results in classifications of depth of anesthesia stages.

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Author Biographies

Oscar Leonardo Mosquera-Dusan, Universidad de La Sabana

Ingeniero Electrónico, Esp. Bioingenieria, Estudiante Doctorado Biociencias 

Profesor Catedra - Facultad de Ingenieria

Grupo de Investigación PROSEIM

Daniel Alfonso Botero-Rosas, Universidad de La Sabana

Docente investigador, Facultad de Medicina - Profesor Asociado

Director grupo de investigacion PROSEIM

Mauricio Cagy, Universidad Federal de Rio de Janeiro

Pesquisador docente

Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa em Engenharia (COPPE)

Ruben Dario Henao-Idarraga, Clinica Universidad de La Sabana

Jefe Integrado departamento Quirurgico.

Profesor - Anestesiologia, Facultad de Medicina, Departamento de Anestesia

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Published

2015-05-17

How to Cite

Mosquera-Dusan, O. L., Botero-Rosas, D. A., Cagy, M., & Henao-Idarraga, R. D. (2015). Nonlinear analysis of the electroencephalogram in depth of anesthesia. Revista Facultad De Ingeniería Universidad De Antioquia, (75), 45–56. https://doi.org/10.17533/udea.redin.n75a06