Now showing items 1-11 of 11

    • A synchronization system for the analysis of biomedical signals recorded with different devices from mechanically ventilated patients 

      Camacho, Alejandro; Hernández Valdivieso, Alher Mauricio; Londoño, Zulma; Serna Higuita, Leidy Yanet; Mañanas Villanueva, Miguel Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Conference lecture
      Restricted access - publisher's policy
      Conducting research associated with mechanically ventilated patients often requires the recording of several biomedical signals to dispose of multiple sources of information to perform a robust analysis. This is especially ...
    • An improved dynamic model for the respiratory response to exercise 

      Serna Higuita, Leidy Yanet; Mañanas Villanueva, Miguel Ángel; Hernández Valdivieso, Alher Mauricio; Rabinovich, Roberto A. (2018-02-07)
      Article
      Open Access
      Respiratory system modeling has been extensively studied in steady-state conditions to simulate sleep disorders, to predict its behavior under ventilatory diseases or stimuli and to simulate its interaction with mechanical ...
    • Assessment of weaning indexes based on diaphragm activity in mechanically ventilated subjects after cardiovascular surgery. A pilot study 

      Muñoz Ortega, Isabel Cristina; Hernández Valdivieso, Alher Mauricio; Alonso López, Joan Francesc; Mañanas Villanueva, Miguel Ángel; Atehortua López, Luis Horacio (2017-06)
      Article
      Open Access
      OBJECTIVE: The aim of this pilot study was to evaluate the feasibility of surface electromyographic signal derived indexes for the prediction of weaning outcomes among mechanically ventilated subjects after cardiac surgery. ...
    • Estimation of work of breathing from respiratory muscle activity in spontaneous ventilation: A pilot study 

      Muñoz Ortega, Isabel Cristina; Hernández Valdivieso, Alher Mauricio; Mañanas Villanueva, Miguel Ángel (Multidisciplinary Digital Publishing Institute, 2019-05-01)
      Article
      Open Access
      Work of breathing (WOB) offers information that may be relevant to determine the patient’s status under spontaneous mechanical ventilation in Intensive Care Unit (ICU). Nowadays, the most reliable technique to measure WOB ...
    • Laboratorio virtual para prácticas de control por computador 

      Vallvé Navarro, Joan; Costa Castelló, Ramon; Hernández Valdivieso, Alher Mauricio (Comité Español de Automática / Universidad de Huelva, 2007-09)
      Conference report
      Open Access
      Aquest treball descriu un laboratori virtual desenvolupat per a donar suport a les pràctiques de Control per Computador de l'ETSEIB (Escola Tècnica Superior d'Enginyers Industrials de Barcelona). El laboratori està totalment ...
    • Novel Modeling of Work of Breathing for Its Optimization During Increased Respiratory Efforts 

      Serna Higuita, Leidy Yanet; Mañanas Villanueva, Miguel Ángel; Hernández Valdivieso, Alher Mauricio; Marín Sánchez, Jesús; Benito Vales, Salvador (2016-09-01)
      Article
      Open Access
      The respiratory control system is one of the most complex physiological systems, whose controller has been extensively modeled based on the criterion of minimizing work of breathing (WOB). However, cost functions and their ...
    • Optimization techniques in respiratory control system models 

      Serna Higuita, Leidy Yanet; Mañanas Villanueva, Miguel Ángel; Marín Sánchez, Jesús; Hernández Valdivieso, Alher Mauricio; Benito, S. (2016-11-01)
      Article
      Open Access
      One of the most complex physiological systems whose modeling is still an open study is the respiratory control system where different models have been proposed based on the criterion of minimizing the work of breathing ...
    • Potential clinical application of surface electromyography as indicator of neuromuscular recovery during weaning tests after organophosphate poisoning 

      Salazar Sánchez, Maria Bernarda; Hernández Valdivieso, Alher Mauricio; Mañanas Villanueva, Miguel Ángel; Zuluaga Salazar, Andrés Felipe (2017-06)
      Article
      Open Access
      This study aimed to explore the usefulness of measuring respiratory muscle activity in mechanically ventilated patients suffering from acute organophosphate poisoning, with a view towards providing complementary information ...
    • Precuneus failures in subjects of the PSEN1 E280A family at risk of developing Alzheimer's disease detected using quantitative electroencephalography 

      Ochoa Gómez, John Fredy; Alonso López, Joan Francesc; Duque, Jon; Tobón, Carlos; Baena, A.; Lopera, Francisco; Mañanas Villanueva, Miguel Ángel; Hernández Valdivieso, Alher Mauricio (2017-07-01)
      Article
      Open Access
      Presenilin-1 (PSEN1) mutations are the most common cause of familial early onset Alzheimer's disease (AD). The PSEN1 E280A (E280A) mutation has an autosomal dominant inheritance and is involved in the production of amyloid-ß. ...
    • Successful object encoding induces increased directed connectivity in presymptomatic early-onset Alzheimer's disease 

      Ochoa Gómez, John Fredy; Alonso López, Joan Francesc; Duque, Jon; Tobón, Carlos; Mañanas Villanueva, Miguel Ángel; Lopera, Francisco; Hernández Valdivieso, Alher Mauricio (2017-01-01)
      Article
      Open Access
      Background: Recent studies report increases in neural activity in brain regions critical to episodic memory at preclinical stages of Alzheimer’s disease (AD). Although electroencephalography (EEG) is widely used in AD ...
    • Virtual laboratory for simulation and learning of cardiovascular system function in BME studies 

      Hernández Valdivieso, Alher Mauricio; Salazar Sánchez, Maria Bernarda; Urrego Higuita, David Alexander; Costa Castelló, Ramon; Mañanas Villanueva, Miguel Ángel (2011-09)
      Article
      Open Access
      The application of engineering system analysis is a very important field in biomedical engineering (BME) studies: modeling, simulation and control of the most important physiological systems. A virtual laboratory for ...