Browsing by Author "Bijnens, Bart"

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  • 3D membrane segmentation and quantification of intact thick cells using cryo soft X-ray transmission microscopy: a pilot study
    Cardenes, Rubén; Zhang, Chong; Klementieva, Oxana; Werner, Stephan; Guttmann, Peter; Pratsch, Christoph; Cladera i Cerdà, Josep; Bijnens, Bart (Public Library of Science (PLoS), 2017)
    Structural analysis of biological membranes is important for understanding cell and sub-cellular organelle function as well as their interaction with the surrounding environment. Imaging of whole cells in three dimension ...
  • A computational model of the fetal circulation to quantify blood redistribution in intrauterine growth restriction
    García Cañadilla, Patricia, 1985-; Rudenick, Paula A.; Crispi Brillas, Fàtima; Cruz-Lemini, Mónica; Palau, Georgina; Camara, Oscar; Gratacós Solsona, Eduard; Bijnens, Bart (Public Library of Science, 2014)
    Intrauterine growth restriction (IUGR) due to placental insufficiency is associated with blood flow redistribution in order to/nmaintain delivery of oxygenated blood to the brain. Given that, in the fetus the aortic isthmus ...
  • A Computational model-based approach for atlas construction of aortic Doppler velocity profiles for segmentation purposes
    Balicevic, Vedrana; Kalinić, Hrvoje; Loncaric, Sven; Cikes, Maja; Bijnens, Bart (Elsevier, 2018)
    Echocardiography is the leading imaging modality for cardiac disorders in clinical practice. During an echocardiographic exam, geometry and blood flow are quantified in order to assess cardiac function. In clinical practice, ...
  • A two dimensional electromechanical model of a cardiomyocyte to assess intra-cellular regional mechanical heterogeneities
    Garcia Canadilla, Patricia; Rodriguez, Jose F.; Palazzi, Maria J.; Gonzalez-Tendero, Anna; Schönleitner, Patrick; Balicevic, Vedrana; Loncaric, Sven; Luiken, Joost J. F. P.; Ceresa, Mario; Camara, Oscar; Antoons, Gudrun; Crispi Brillas, Fàtima; Gratacós Solsona, Eduard; Bijnens, Bart (Public Library of Science (PLoS), 2017)
    Experimental studies on isolated cardiomyocytes from different animal species and human hearts have demonstrated that there are regional differences in the Ca2+ release, Ca2+ decay and sarcomere deformation. Local deformation ...
  • A web-based tool for cardiac dyssynchrony assessment on ultrasound data
    Pezzatini, Daniele; Yagüe, Carlos; Rudenick, Paula A.; Blat, Josep; Bijnens, Bart; Camara, Oscar (Eurographics Association, 2017)
    Cardiac resynchronization therapy (CRT) is a broadly used therapy in patients that suffers from heart failure (HF). The positive outcome of CRT depends strongly on the parameters criteria used to select patients and a lot ...
  • Absolute joint moments: a novel image similarity measure
    Kalinić, Hrvoje; Loncaric, Sven; Bijnens, Bart (SpringerOpen, 2013)
    In this paper, we propose a novel approach for estimating image similarity. This measure is of importance in assessing image correspondence or image alignment and plays an important role in image registration. Currently, ...
  • Added value of cardiac deformation imaging in differential diagnosis of left ventricular hypertrophy
    Loncaric, Filip; Bijnens, Bart; Sitges, Marta (Bloomsbury Qatar Foundation Journals, 2018)
    Hypertrophic cardiomyopathy is clinically defined by the presence of increased left ventricular (LV) wall thickness that is not solely explained by abnormal loading conditions. The aetiology is diverse, but in 60% of ...
  • Analysis of nonstandardized stress echocardiography sequences using multiview dimensionality reduction
    Nogueira, Mariana; Craene, Mathieu de; Sanchez Martinez, Sergio; Chowdhury, Devyani; Bijnens, Bart; Piella Fenoy, Gemma (Elsevier, 2020)
    Alternative stress echocardiography protocols such as handgrip exercise are potentially more favorable towards large-scale screening scenarios than those currently adopted in clinical practice. However, these are still ...
  • Aortic and carotid intima-media thickness in term small-for-gestational-age newborns and relationship with prenatal signs of severity
    Stergiotou, Iosifina; Crispi Brillas, Fàtima; Valenzuela Alcaraz, Brenda; Cruz-Lemini, Mónica; Bijnens, Bart; Gratacós Solsona, Eduard (Wiley, 2014)
    Objective To assess carotid and aortic intima–media thickness (IMT) in term small‐for‐gestational‐age (SGA) newborns with and without prenatal signs of severity. Methods This prospective study comprised 67 cases ...
  • Assessment of haemodynamic remodeling in fetal aortic coarctation using a lumped model of the circulation
    Giménez Mínguez, Paula; Bijnens, Bart; Bernardino Perez, Gabriel; Lluch Alvarez, Èric; Soveral, Iris; Gómez, Olga; García Cañadilla, Patricia, 1985- (Springer, 2017)
    Aortic coarctation is one of the most difficult cardiac defects to diagnose before birth, and it accounts for 8% of congenital heart diseases. Antenatal diagnosis is crucial for early treatment of the neonate and to decrease ...
  • Assessment of wall elasticity variations on intraluminal haemodynamics in descending aortic dissections using a lumped-parameter model
    Rudenick, Paula A.; Bijnens, Bart; Segers, Patrick F.; García-Dorado, David; Evangelista, Arturo (Public Library of Science (PLoS), 2015)
    Descending aortic dissection (DAD) is associated with high morbidity and mortality rates. Aortic wall stiffness is a variable often altered in DAD patients and potentially involved in long-term outcome. However, its relevance ...
  • Atrial functional and geometrical remodeling in highly trained male athletes: for better or worse?
    Gabrielli, Luigi; Bijnens, Bart; Butakoff, Constantine; Duchateau, Nicolas; Montserrat, Silvia; Merino, Beatriz; Gutierrez, Josep Antoni; Paré, Carles; Mont, Lluís; Brugada, Josep; Sitges, Marta (Springer, 2014)
    Purpose Highly trained athletes have an increased risk of atrial arrhythmias. Atrial geometrical and functional remodeling may be the underlying substrate. We analyze and relate atrial size, deformation and performance ...
  • Automated cardiac sarcomere analysis from second harmonic generation images
    García Cañadilla, Patricia, 1985-; Gonzalez-Tendero, Anna; Iruretagoyena, Igor; Crispi Brillas, Fàtima; Torre, Iratxe; Amat-Roldán, Iván; Bijnens, Bart; Gratacós Solsona, Eduard (Society of Photo Optical Instrumentation Engineers (SPIE), 2014)
    Automatic quantification of cardiac muscle properties in tissue sections might provide important information related to different types of diseases. Second harmonic generation (SHG) imaging provides a stain-free microscopy ...
  • Basal ventricular septal hypertrophy in systemic hypertension
    Loncaric, Filip; Nunno, Loredana; Mimbrero, Maria; Marciniak, Maciej; Fernandes, João, 1964-; Tirapu, Laia; Fabijanovic, Dora; Sanchis, Laura; Doltra, Adelina; Cikes, Maja; Lamata, Pablo; Bijnens, Bart; Sitges, Marta (Elsevier, 2020)
    Basal septal hypertrophy (BSH) is commonly seen in patients with systemic hypertension and has been associated with increased afterload. The impact of localized hypertrophy on left ventricular (LV) and left atrial (LA) ...
  • Breaking the state of the heart: meshless model for cardiac mechanics
    Lluch Alvarez, Èric; Craene, Mathieu de; Bijnens, Bart; Sermesant, Maxime; Noailly, Jérôme; Camara, Oscar; Morales, Hernán G. (Springer, 2019)
    Cardiac modeling has recently emerged as a promising tool to study pathophysiology mechanisms and to predict treatment outcomes for personalized clinical decision support. Nevertheless, achieving convergence under large ...
  • Cardiac injuries in blunt chest trauma
    Huguet, Marina; Tobón Gómez, Catalina, 1981-; Bijnens, Bart; Frangi Caregnato, Alejandro; Petit i Guinovart, Màrius (BioMed Central, 2009)
    Blunt chest traumas are a clinical challenge, both for diagnosis and treatment. The use of/nCardiovascular Magnetic Resonance can play a major role in this setting. We present two cases: a/n12-year-old boy and 45-year-old ...
  • Cardiac motion estimation by joint alignment of tagged MRI sequences
    Oubel, E.; Craene, Mathieu de; Hero, A.O.; Pourmorteza, A.; Huguet, Marina; Avegliano, Gustavo P.; Bijnens, Bart; Frangi Caregnato, Alejandro (Elsevier, 2011)
    Image registration has been proposed as an automatic method for recovering cardiac displacement fields from Tagged Magnetic Resonance Imaging (tMRI) sequences. Initially performed as a set of pairwise registrations, these ...
  • Cardiovascular benefits of moderate exercise training in Marfan syndrome: insights from an animal model
    Mas‐Stachurska, Aleksandra; Siegert, Anna‐Maria; Batlle, Montserrat; Gorbenko del Blanco, Darya; Meirelles, Thayna; Rubies, Cira; Bonorino, Fabio; Serra‐Peinado, Carla; Bijnens, Bart; Baudin, Julio; Sitges, Marta; Mont, Lluís; Guasch, Eduard; Egea, Gustavo (Wiley, 2017)
    Marfan syndrome (MF) leads to aortic root dilatation and a predisposition to aortic dissection, mitral valve prolapse, and primary and secondary cardiomyopathy. Overall, regular physical exercise is recommended for a healthy ...
  • Characterization of myocardial deformation in patients with different etiologies of left ventricular hypertrophy by using strain distribution from Magnetic Resonance Imaging
    Piella Fenoy, Gemma; Craene, Mathieu de; Bijnens, Bart; Tobón Gómez, Catalina, 1981-; Huguet, Marina; Avegliano, Gustavo P.; Frangi Caregnato, Alejandro (Elsevier, 2010)
    Introducción y objetivos. Se ha señalado que, en la miocardiopatía hipertrófica (MCH), la desorganización de las fibras regionales da lugar a segmentos en los que la deformación es nula o está gravemente reducida, y que ...
  • Characterization of myocardial motion patterns by unsupervised multiple kernel learning
    Sánchez Martínez, Sergio; Duchateau, Nicolas; Erdei, Tamas; Fraser, Alan G.; Bijnens, Bart; Piella Fenoy, Gemma (Elsevier, 2017)
    We propose an independent objective method to characterize different patterns of functional responses to stress in the heart failure with preserved ejection fraction (HFPEF) syndrome by combining multiple temporally-aligned ...