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Recolector de Ciencia Abierta, RECOLECTA
Article . 2021 . Peer-reviewed
License: CC BY NC ND
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Time-delay selection in poincaré plot: assessing sedation-analgesia levels with eeg signals Selección del tiempo de retardo en el gráfico de poincaré: Medición de los niveles de sedación y analgesia con señales eeg

Authors: Bolaños Jojoa, Jose Daniel; Valencia Murillo, José Fernando; Vallverdú Ferrer, Montserrat; Valencia Vargas, Daniel Felipe; Borrat, Xavier; Garnbús, Pedro Luis;

Time-delay selection in poincaré plot: assessing sedation-analgesia levels with eeg signals Selección del tiempo de retardo en el gráfico de poincaré: Medición de los niveles de sedación y analgesia con señales eeg

Abstract

El gráfico de Poincaré es un método no lineal que permite analizar la variabilidad de una señal, dibujando dicha señal contra ella misma retardada en el tiempo. Aunque este método ha sido aplicado al análisis del electroencefalograma (EEG) para la medición de niveles de anestesia general, su aplicación en la medición de niveles de anestesia ligera aún no se ha abordado con profundidad. En este trabajo, se consideran varios tiempos de retardo en el gráfico de Poincaré para caracterizar el nivel de anestesia ligera en 110 pacientes sometidos a endoscopia digestiva. Los índices de Poincaré son combinados con parámetros espectrales de señales que contienen información del EEG y del EMG (electromiografía) para modelar los niveles de anestesia ligera, teniendo como referencia la escala de sedación Ramsay. La mejor predicción, utilizando índices del gráfico de Poincaré, del nivel de sedación y analgesia (Pk = 0,711) se obtiene usando un retardo de 8 ms en el rango de frecuencia de 30-110 Hz y de 6 ms en el rango de frecuencia de 0,5 - 30 Hz, respectivamente. La combinación de diferentes parámetros permitió obtener valores de Pk = 0,799.

Peer Reviewed

Country
Spain
Related Organizations
Keywords

Anàlisi espectral, Gráfico de Poincaré, Àrees temàtiques de la UPC::Informàtica::Automàtica i control, Àrees temàtiques de la UPC::Ciències de la salut::Medicina, Análisis espectral, Electroencefalograma, Electroencefalografia, espectroscopia, Tiempo de retardo, Sedación-analgesia, Spectrum analysis

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average