Exploració per autor "Jensen, Erik Weber"

Ara es mostren els items 1-15 de 15

    • Assessment of nociceptive responsiveness levels during sedation-analgesia by entropy analysis of EEG 

      Valencia, Jose F.; Melia, Umberto Sergio Pio; Vallverdú Ferrer, Montserrat; Borrat, Xavier; Jospin, Mathieu; Jensen, Erik Weber; Porta, Alberto; Gambus, Pedro L.; Caminal Magrans, Pere (2016-03-01)
      Article
      Accés obert
      The level of sedation in patients undergoing medical procedures is decided to assure unconsciousness and prevent pain. The monitors of depth of anesthesia, based on the analysis of the electroencephalogram (EEG), have been ...

    • Assessment of responsiveness levels during sedation-analgesia by entropy analysis of EEG 

      Valencia, Jose Fernando; Melia, Umberto; Vallverdú Ferrer, Montserrat; Jospin, Mathieu; Jensen, Erik Weber; Porta, Alberto; Gambus, Pedro L.; Caminal Magrans, Pere (2016-03-18)
      Article
      Accés obert
      The level of sedation in patients undergoing medical procedures is decided to assure unconsciousness and prevent pain. The monitors of depth of anesthesia, based on the analysis of the electroencephalogram (EEG), have been ...

    • Assessment of the depth of anesthesia based on symbolic dynamics of the EEG 

      Tupaika, Nadine; Vallverdú Ferrer, Montserrat; Jospin, Mathieu; Jensen, Erik Weber; Struys, Michel M. R. F.; Vereecke, Hugo E. M.; Voss, Andreas; Caminal Magrans, Pere (2010)
      Comunicació de congrés
      Accés obert
      Methodologies based on symbolic dynamics have successfully demonstrated to reflect the nonlinear behavior of biological signals. In the present study, symbolic dynamics was applied to the electroencephalogram (EEG) in ...

    • Comparison of the qCON and qNOX indices for the assessment of unconsciousness level and noxious stimulation response during surgery 

      Melia, Umberto Sergio Pio; Gabarrón, Eva; Agustí, Mercé; Souto, Nuria; Pineda, Patricia; Fontanet, Joan; Vallverdú Ferrer, Montserrat; Jensen, Erik Weber; Gambus, Pedro L. (2016-10-20)
      Article
      Accés obert
      The objective of this work is to compare the performances of two electroencephalogram based indices for detecting loss of consciousness and loss of response to nociceptive stimulation. Specifically, their behaviour after ...

    • Entropy measures as descriptors to identify apneas in rheoencephalographic signals 

      González Pijuán, Carmen; Jensen, Erik Weber; Gambus, Pedro L.; Vallverdú Ferrer, Montserrat (2019-06-18)
      Article
      Accés obert
      Rheoencephalography (REG) is a simple and inexpensive technique that intends to monitor cerebral blood flow (CBF), but its ability to reflect CBF changes has not been extensively proved. Based on the hypothesis that ...

    • Generación de bioseñales sintéticas mediante series de Fourier variantes en tiempo 

      Escrivá, Jesús; Galea Cazorla, A.; González Pijuán, Carmen; Vallverdú Ferrer, Montserrat; Caminal Magrans, Pere; Jensen, Erik Weber (Comité Español de Automática (CEA-IFAC), 2016)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      La selección de la técnica más adecuada para el análisis de una señal tiempo-frecuencia depende en gran medida de la propia naturaleza de la señal objeto de análisis. Para ello, resulta adecuado utilizar señales sintéticas ...

    • Interaction between EEG and drug concentration to predict response to noxious stimulation during sedation-analgesia : effect of the A118G genetic polymorphism 

      Melia, Umberto Sergio Pio; Vallverdú Ferrer, Montserrat; Jospin, Mathieu; Valencia, Jose F.; Jensen, Erik Weber; Gambus, Pedro L.; Perera Lluna, Alexandre; Caminal Magrans, Pere (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The level of sedation in patients undergoing medical procedures is affected by the interaction between the effect of the anesthetic and analgesic agents and the pain stimuli. The presence of the A118G single nucleotide ...

    • Medición de la variabilidad del ritmo cardíaco, la impedancia de la piel y el EEG para la cuantificación del dolor 

      Carbonell, Claudia; González Pijuán, Carmen; Jensen, Erik Weber; Vallverdú Ferrer, Montserrat (2017)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      En la actualidad, la monitorización del dolor es un tema muy investigado. La preocupación del paciente en todas las áreas de la salud siempre es la misma, ¿me dolerá? El dolor es una sensación completamente subjetiva y ...

    • Novel characterization method of impedance cardiography signals using time-frequency distributions 

      Escrivá Muñoz, Jesús; Pan, Y.; Ge, S.; Jensen, Erik Weber; Vallverdú Ferrer, Montserrat (Springer, 2018-10)
      Article
      Accés obert
      The purpose of this document is to describe a methodology to select the most adequate time-frequency distribution (TFD) kernel for the characterization of impedance cardiography signals (ICG). The predominant ICG beat was ...

    • Poincaré plot analysis of cerebral blood flow signals : feature extraction and classification methods for apnea detection 

      González Pijuán, Carmen; Jensen, Erik Weber; Gambus, Pedro L.; Vallverdú Ferrer, Montserrat (Public Library of Science (PLOS), 2018-12-07)
      Article
      Accés obert
      Objective: Rheoencephalography is a simple and inexpensive technique for cerebral blood flow assessment, however, it is not used in clinical practice since its correlation to clinical conditions has not yet been extensively ...

    • Prediction of nociceptive responses during sedation by linear and non-linear measures of EEG signals in high frequencies 

      Melia, Umberto Sergio Pio; Vallverdú, Montserrat; Borrat, Xavier; Valencia, Jose Fernando; Jospin, Mathieu; Jensen, Erik Weber; Gambus, Pedro L.; Caminal Magrans, Pere (2015-04-22)
      Article
      Accés obert
      The level of sedation in patients undergoing medical procedures evolves continuously, affected by the interaction between the effect of the anesthetic and analgesic agents and the pain stimuli. The monitors of depth of ...

    • Prediction of nociceptive responses during sedation by time-frequency representation 

      Melia, Umberto Sergio Pio; Vallverdú Ferrer, Montserrat; Jospin, Mathieu; Jensen, Erik Weber; Valencia, Jose Fernando; Clarià, Francesc; Gambus, Pedro L.; Caminal Magrans, Pere (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The level of sedation in patients undergoing medical procedures evolves continuously, such as the effect of the anesthetic and analgesic agents is counteracted by pain stimuli. The monitors of depth of anesthesia, based ...

    • Prediction of response to noxious stimulation during sedation-analgesia by refined multiscale entropy analysis of EEG 

      Valencia, Jose F.; Melia, Umberto Sergio Pio; Vallverdú Ferrer, Montserrat; Jospin, Mathieu; Jensen, Erik Weber; Porta, Alberto; Gambus, Pedro L.; Caminal Magrans, Pere (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The level of sedation in patients undergoing medical procedures evolves contin uously since the effect of the anesthetic and analgesic agents is counteracted by noxious stimuli. The monitors of depth of anesthesia, based ...

    • Refined multiscale entropy using fuzzy metrics: validation and application to nociception assessmentt 

      Valencia Murillo, José Fernando; Bolaños, José D; Vallverdú Ferrer, Montserrat; Jensen, Erik Weber; Porta, Alberto; Gambus, Pedro L. (2019-07-18)
      Article
      Accés obert
      The refined multiscale entropy (RMSE) approach is commonly applied to assess complexity as a function of the time scale. RMSE is normally based on the computation of sample entropy (SampEn) estimating complexity as conditional ...

    • Time-frequency features for impedance cardiography signals during anesthesia using different distribution kernels 

      Escrivá, Jesús; Gambus, Pedro L.; Jensen, Erik Weber; Vallverdú Ferrer, Montserrat (2018-01-23)
      Article
      Accés obert
      Objective: This works investigates the time-frequency content of impedance cardiography signals during a propofol-remifentanil anesthesia. Materials and Methods: In the last years, impedance cardiography (ICG) is a ...