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    • A novel strategy to fit and validate physiological models: a case study of acardiorespiratory model for simulation of incremental aerobic exercise 

      Sarmiento, Carlos Andrés; Serna Higuita, Leidy Yanet; Hernández Valdivieso, Alher Mauricio; Mañanas Villanueva, Miguel Ángel (2023-03-01)
      Article
      Accés obert
      Applying complex mathematical models of physiological systems is challenging due to the large number of parameters. Identifying these parameters through experimentation is difficult, and although procedures for fitting and ...

    • 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)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      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
      Accés obert
      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 ...

    • An integrated mathematical model of the cardiovascular and respiratory response to exercise: Model-building and comparison with reported models 

      Sarmiento, Carlos Andrés; Hernández, Alher Mauricio; Serna Higuita, Leidy Yanet; Mañanas Villanueva, Miguel Ángel (2021-04-01)
      Article
      Accés obert
      The use of physiological models in medicine allows the evaluation of new hypotheses, development of diagnosis and clinical treatment applications, and development of training and medical education tools, as well as medical ...

    • Comparison of computational cost and prediction error of cardiorespiratory models for exercise simulation 

      Sarmiento, C.A.; Hernandez, A.M.; Serna Higuita, Leidy Yanet (2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The modeling and simulation of the cardiorespiratory system has allowed a better understanding of the physiological system behavior to different stimuli and pathologies. Among its main applications stands out the computational ...

    • Computational tool for modeling and simulation of mechanically ventilated patients 

      Serna Higuita, Leidy Yanet; Hernandez, Alher Mauricio; Mañanas Villanueva, Miguel Ángel (2010)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The mechanical ventilator se ttings in patients with respiratory diseases like chronic obstr ructive pulmonary disease (COPD) during episodes of acute r respiratory failure (ARF) is not a simple task that in most cases is ...

    • High-density surface electromyography signals during isometric contractions of elbow muscles of healthy humans 

      Rojas Martínez, Mónica; Serna Higuita, Leidy Yanet; Jordanic, Mislav; Marateb, Hamid Reza; Merletti, R.; Mañanas Villanueva, Miguel Ángel (Nature, 2020-12)
      Article
      Accés obert
      This paper presents a dataset of high-density surface EMG signals (HD-sEMG) designed to study patterns of sEMG spatial distribution over upper limb muscles during voluntary isometric contractions. Twelve healthy subjects ...

    • Influence of the number of trials on evoked motor cortical activity in EEG recordings 

      Borràs Argemí, Marta; Romero Lafuente, Sergio; Alonso López, Joan Francesc; Bachiller Matarranz, Alejandro; Serna Higuita, Leidy Yanet; Migliorelli Falcone, Carolina Mercedes; Mañanas Villanueva, Miguel Ángel (2022-08-26)
      Article
      Accés obert
      Objective. Improvements in electroencephalography enable the study of the localization of active brain regions during motor tasks. Movement-related cortical potentials (MRCPs), and event-related desynchronization (ERD) and ...

    • Modelado dinámico del sistema respiratorio ante incrementos de demanda ventilatoria, enfermedades pulmonares y ventilación mecánica asistida 

      Serna Higuita, Leidy Yanet (Universitat Politècnica de Catalunya, 2017-09-04)
      Tesi
      Accés obert
      Respiratory diseases remain one of the leading causes of death and illness in Europe and worldwide. One of the most important is Chronic Obstructive Pulmonary Disease (COPD) associated mainly with chronic bronchitis and ...

    • 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
      Accés obert
      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
      Accés obert
      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 ...

    • Reliable and accurate information extraction from surface electromyographic signals 

      Marateb, Hamid Reza; Jordanic, Mislav; Rojas Martínez, Mónica Marlene; Alonso López, Joan Francesc; Serna Higuita, Leidy Yanet; Shirzadi, Mehdi; Nosouhi, Marjan; Mañanas Villanueva, Miguel Ángel; McGill, Kevin (Institute of Physics (IOP), 2020-08)
      Capítol de llibre
      Accés restringit per política de l'editorial
      The electrical activity generated in contracting muscles is measured using electromyographic (EMG) signals. By placing an array of electrodes on the surface of the skin, surface EMG (sEMG) signals are recorded non-invasively. ...

    • Web applications for teaching the respiratory system: content validation 

      Mejía, Susana; Muñoz Ortega, Isabel Cristina; Serna Higuita, Leidy Yanet; Sarmiento, Carlos Andrés; Bravo, Carlos Leonardo; Hernández, Alher Mauricio (Multidisciplinary Digital Publishing Institute, 2022-04-24)
      Article
      Accés obert
      The subject of respiratory mechanics has complex characteristics, functions, and interactions that can be difficult to understand in training and medical education contexts. As such, education strategies based on computational ...