BIOSPIN - Biomedical Signal Processing and Interpretation
La investigació s’emmarca en l’àmbit de l’Enginyeria Biomèdica. S’adreça al disseny i desenvolupament de tècniques avançades de processament de senyals biomèdics multimodals per a la monitorització no invasiva, diagnòstic, prevenció i tractament de malalties. Explorem nous mètodes per a la interpretació d’informació clínicament rellevant dels senyals biomèdics. L’objectiu és millorar el diagnòstic a través de la caracterització dels fenòmens fisiològics, aplicat a les principals malalties cardíacs, respiratories, neurològiques i trastorns del son. També desenvolupem bases de dades de biosenyals, realitzades conjuntament amb els hospitals per avaluar el rendiment dels algoritmes desenvolupats. I estudiem els algorismes proposats en models animals. El grup compta amb múltiples col·laboracions internacionals, incloent empreses i hospitals, d’Europa, Canadà i Estats Units. Actualment, els nostres prototipus s'utilitzen als hospitals per recerca i per a un futur desenvolupament industrial.
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Articles de revista [40]
Recent Submissions
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Estimation of gait parameters in Huntington’s disease using wearable sensors in the clinic and free-living conditions
(2024-05-31)
Article
Open AccessIn Huntington’s disease (HD), wearable iner- tial sensors could capture subtle changes in motor function. However, disease-specific validation of meth- ods is necessary. This study presents an algorithm for walking bout ... -
Predicting 6-minute walking test outcomes in patients with chronic obstructive pulmonary disease without physical performance measures
(2022-10-03)
Article
Open AccessBackground and Objective Chronic obstructive pulmonary disease (COPD) requires a multifactorial assessment, evaluating the airflow limitation and symptoms of the patients. The 6-min walk test (6MWT) is commonly used to ... -
Relationship between sleep stages and HRV response in obstructive sleep apnea patients
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessPatients suffering from obstructive sleep apnea (OSA) usually present an increased sympathetic activity caused by the intermittent hypoxia effect on autonomic control. This study evaluated the relationship between sleep ... -
Noninvasive assessment of neuromechanical coupling and mechanical efficiency of parasternal intercostal muscle during inspiratory threshold loading
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-03-04)
Article
Open AccessThis study aims to investigate noninvasive indices of neuromechanical coupling (NMC) and mechanical efficiency (MEff) of parasternal intercostal muscles. Gold standard assessment of diaphragm NMC requires using invasive ... -
Detection of respiratory phases to estimate breathing pattern parameters using wearable bioimpendace
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference lecture
Open AccessMany studies have focused on novel noninvasive techniques to monitor respiratory rate such as bioimpedance. We propose an algorithm to detect respiratory phases using wearable bioimpedance to compute time parameters like ... -
Sleep apnea & chronic obstructive pulmonary disease: overlap syndrome dynamics in patients from an epidemiological study
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessObstructive sleep apnea (OSA) is a sleep disorder in which repetitive upper airway obstructive events occur during sleep. These events can induce hypoxia, which is a risk factor for multiple cardiovascular and cerebrovascular ... -
Assessment of the non-linear response of the fSampEn on simulated EMG signals
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessFixed sample entropy (fSampEn) is a promising technique for the analysis of respiratory electromyographic (EMG) signals. Its use has shown outperformance of amplitude-based estimators such as the root mean square (RMS) in ... -
Detection of sleep-disordered breathing in patients with spinal cord injury using a smartphone
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-10-29)
Article
Open AccessPatients with spinal cord injury (SCI) have an increased risk of sleep-disordered breathing (SDB), which can lead to serious comorbidities and impact patients’ recovery and quality of life. However, sleep tests are rarely ... -
Global and transient effects of intermittent hypoxia on heart rate variability markers: evaluation using an obstructive sleep apnea model
(Institute of Electrical and Electronics Engineers (IEEE), 2021-01-01)
Article
Open AccessIntermittent hypoxia (IH) produces autonomic dysfunction that promotes the development of arrhythmia and hypertension in patients with obstructive sleep apnea (OSA). This paper investigated different heart rate variability ... -
Enhanced monitoring of sleep position in sleep apnea patients: smartphone triaxial accelerometry compared with video-validated position from polysomnography
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-26)
Article
Open AccessPoor sleep quality is a risk factor for multiple mental, cardiovascular, and cerebrovascular diseases. Certain sleep positions or excessive position changes can be related to some diseases and poor sleep quality. Nevertheless, ... -
SleepPos app: an automated smartphone application for angle based high resolution sleep position monitoring and treatment
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-07-01)
Article
Open AccessPoor sleep quality or disturbed sleep is associated with multiple health conditions. Sleep position affects the severity and occurrence of these complications, and positional therapy is one of the less invasive treatments ... -
Quantitative evaluation of trunk function and the StartReact effect during reaching in patients with cervical and thoracic spinal cord injury
(2021-08-18)
Article
Open AccessObjective. Impaired trunk stability is frequent in spinal cord injury (SCI), but there is a lack of quantitative measures for assessing trunk function. Our objectives were to: (a) evaluate trunk muscle activity and movement ...
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