Browsing by Subject "Cor -- Malalties"

Now showing items 1-19 of 19

    • 4D Cardiac MRI Segmentation and Surface Reconstruction 

      Pons Moll, Gerard (Universitat Politècnica de Catalunya, 2008-10-10)
      Master thesis (pre-Bologna period)
      Open Access

    • 4D Cardiac Segmentation and Respiratory Motion Modeling of the Human Heart 

      Crosas Cano, Guillem (Universitat Politècnica de Catalunya, 2009-06)
      Master thesis (pre-Bologna period)
      Open Access
      Atrial Fibrillation (AF) is a growing problem in modern societies with an enormous impact in both short term quality of life and long term survival. A recently developed promising approach to cure AF uses radiofrequency ...

    • A 1D lumped-parameter/3D CFD approach for pressure drop in the aortic coarctation 

      Soudah Prieto, Eduardo; Bordoné, Maurizio; Dadvand, Pooyan; Rossi, Riccardo (Springer, 2012)
      Conference report
      Restricted access - publisher's policy
      Aortic Coarctation is a congenital constriction of the aorta that increases blood pressure above the constriction and hinders the flow below it. Based on a 3D surface mesh of a moderate thoracic coarctation, a high quality ...

    • A 36 µW 1.1 mm2 reconfigurable analog front-end for cardiovascular and respiratory signals recording 

      Xu, Jiawei; Konijnenburg, Mario; Ha, Hyunsoo; van Wegberg, Roland; Song, Shuang; Blanco Almazán, María Dolores; Van Hoof, Chris; Van Helleputte, Nick (2018-04-06)
      Article
      Open Access
      This paper presents a 1.2 V 36 µW reconfigurable analog front-end (R-AFE) as a general-purpose low-cost IC for multiple-mode biomedical signals acquisition. The R-AFE efficiently reuses a reconfigurable preamplifier, a ...

    • ''Análisis de señales electrocadiográficas en pacientes con síndrome de Brugada en riesgo de arritmias malignas'' 

      Berná Rufete, Nerea (Universitat Politècnica de Catalunya, 2018-10-23)
      Bachelor thesis
      Restricted access - author's decision
      El síndrome de Brugada és una malaltia del cor d'origen genètic que pot ser causant d'arrítmies ventriculars i morts sobtades sense cardiopatia estructural evident. En la majoria dels casos, aquests esdeveniments succeeixen ...

    • Boosting the chances to improve stroke treatment 

      Cobo Valeri, Erik; Secades, Julio; Miras, Francesc; González, José Antonio; Saver, Jeffrey L.; Corchero García, Cristina; Rius Carrasco, Roser; Dávalos, Antoni (2010-03)
      Article
      Open Access
      Background and Purpose—There is a lack of agreement regarding measuring the effects of stroke treatment in clinical trials, which often relies on the dichotomized value of 1 outcome scale. Alternative analyses consist ...

    • Breathing pattern characterization in patients with respiratory and cardiac failure 

      Garde Martínez, Ainara (Universitat Politècnica de Catalunya, 2010-07-21)
      Doctoral thesis
      Open Access
      El objetivo principal de la tesis es estudiar los patrones respiratorios de pacientes en proceso de extubación y pacientes con insuficiencia cardiaca crónica (CHF), a partirde la señal de flujo respiratorio. La información ...

    • Building a Parameterized 4D Cardiac Model with Respiratory Motion from 2D MR Time Series 

      Queralt Madrigal, Marc (Universitat Politècnica de Catalunya, 2010-06)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Northeastern University
      Atrial fibrillation (AF) is a growing problem in modern societies with an enormous impact in both short term quality of life and long term survival. A recently developed promising approach to cure AF uses radiofrequency ...

    • Characterization and phantom validation of a device for the bio-photonic imaging of the infant brain 

      Montesinos Jori, Alexia (Universitat Politècnica de Catalunya, 2023-01-23)
      Bachelor thesis
      Restricted access - confidentiality agreement
      Covenantee:   Institut de Ciències Fotòniques (ICFO)

    • Comparison of Low-order 4D Dynamical Models for Cardiac Respiratory Motion using MRI 

      Coll Font, Jaume (Universitat Politècnica de Catalunya / Northeastern University, 2011-12-18)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Northeastern University
      English: cardiovascular diseases account for more than one third of the annual mortal rate in western countries. Although AF does not directly lead to mortality is pointed as one of the possible causes of stroke. Recent ...

    • Computing and visualizing informative trajectories in temporaly annotated data 

      Zamora Casals, Martí (Universitat Politècnica de Catalunya, 2017-07-04)
      Master thesis
      Open Access
      A trajectory in the medical world, is the sequence of events that occur during the life of a patient. In the recent years, these trajectories have been stored in the Electronical Health Records and many of the health ...

    • Dimensionality reduction oriented toward the feature visualization for ischemia detection 

      Delgado-Tejos, Edilson; Perera Lluna, Alexandre; Vallverdú Ferrer, Montserrat; Caminal Magrans, Pere; Castellanos Dominguez, German (2009-03-16)
      Article
      Open Access
      An effective data representation methodology on high-dimension feature spaces is presented, which allows a better interpretation of subjacent physiological phenomena (namely, cardiac behavior related to cardiovascular ...

    • Multifractal characterization of the autonomous nervous system during prolonged coronary artery occlusion 

      Magrans Nicieza, Rudys; Gomis Román, Pedro; Caminal Magrans, Pere; Wagner, Galen (2009)
      Conference lecture
      Open Access
      We assess the autonomic nervous system response during prolonged percutaneous transluminal coronary angioplasty (PTCA) by heart rate variability analysis using multifractal indices. These indices are also used to evaluate ...

    • Multivariate classification of Brugada syndrome patients based on autonomic response to exercise testing 

      Calvo, Mireia; Romero, Daniel; Le Rolle, Virginie; Béhar, Nathalie; Gomis Román, Pedro; Mabo, Philippe; Hernández, Alfredo I. (Public Library of Science (PLOS), 2018-05-15)
      Article
      Open Access
      Ventricular arrhythmias in Brugada syndrome (BS) typically occur at rest and especially during sleep, suggesting that changes in the autonomic modulation may play an important role in arrhythmogenesis. The autonomic response ...

    • Non-linear dynamic analysis of RR signals in patients with and without excessive daytime sleepiness 

      Melia, Umberto Sergio Pio; Guaita, Marc; Vallverdú Ferrer, Montserrat; Caminal Magrans, Pere; Clarià Sancho, Francesc; Embid, Cristina; Vilaseca, Isabel; Salamero, Manuel; Santamaria, J. (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Open Access
      Linear and non-linear measures applied to heart rate variability (HRV) can be used to quantify modulation of the sympathetic and parasympathetic branches of the autonomic nervous system. RR signals were obtained from the ...

    • Potassium monitoring from multilead T-wave morphology changes during hemodyalisis: periodic versus principal component analysis 

      Palmieri, Flavio; Gomis Román, Pedro; Ferreira, Dina; Ruiz, José Esteban; Martín-Yebra, Alba; Pueyo, Esther; Laguna Lasaosa, Pablo; Mártinez, Juan Pablo; Ramírez, Julia (2020)
      Conference lecture
      Open Access
      Background: End-stage renal disease (ESRD) patients undergoing hemodyalisis therapy (HD) experience blood potassium ([K+]) variations that are reflected on the T-wave (TW) morphology. Methods: We evaluated the performance ...

    • Short-term effects of particulate matter on mortality during forest fires in Southern Europe: results of the MED-PARTICLES Project 

      Faustini, Annunziata; Alessandrini, Ester R.; Pey, Jorge; Perez Lozano, Noemi; Samoli, Evangelia; Querol, Xavier; Cadum, Ennio; Perrino, Cinzia; Ostro, Bart; Ranzi, Andrea; Sunyer, Jordi; Stafoggia, Massimo; Forastiere, Francesco; study group, MED-PARTICLES; Agis Cherta, David (2015-04-14)
      Article
      Open Access
      An association between occurrence of wildfires and mortality in the exposed population has been observed in several studies with controversial results for cause-specific mortality. In the Mediterranean area, forest fires ...

    • Simulation of left-right asymmetry in heart morphogenesis 

      Pérez Meroño, Ignacio (Universitat Politècnica de Catalunya, 2022-07-08)
      Bachelor thesis
      Open Access
      There are several studies on the heart morphogenesis in the vertebrate embryo, and in particular on how during the development of the heart tube bilateral symmetry is broken leading to morphogenesis with left-right asymmetry. ...

    • The risks of acute exposure to black carbon in Southern Europe: results from the MED-PARTICLES project 

      Ostro, Bart; Tobias Garcés, Aurelio; Karanasiou, Angeliki; Samoli, Evangelia; Querol, Xavier; Rodopoulou, Sophia; Basagaña Flores, Xavier; Eleftheriadis, Kostas; Diapouli, Evangelia; Vratolis, Stergios; Jacquemin, Bénédicte; Katsouyanni, Klea; Sunyer, Jordi; Forastiere, Francesco; Stafoggia, Massimo; Study Group, MED-PARTICLES; Agis Cherta, David (2015-01-09)
      Article
      Open Access
      While several studies have reported associations of daily exposures to PM2.5 (particles less than 2.5 µm) with mortality, few studies have examined the impact of its constituents such as black carbon (BC), which is also a ...