Buscar en RiuNet

Listar

Todo RiuNet

Mi cuenta

Acceder

Ayuda RiuNet

Admin. UPV

Listar por autor "Trujillo Guillen, Macarena"

Mostrando ítems 1-20 de 71

Página siguiente

A clinically-oriented computer model for radiofrequency ablation of hepatic tissue with internally cooled wet electrode

Ewertowska, Elzbieta; Quesada-Diez, Rita; Radosevic, A.; Andaluz, Anna; Moll, Xavier; García Arnás, F.; Berjano, Enrique; Burdío Pinilla, Fernando; Trujillo Guillen, Macarena (Taylor & Francis, 2019)

[EN] Purpose: To improve the computer modelling of radiofrequency ablation (RFA) by internally cooled wet (ICW) electrodes with added clinically oriented features. Methods: An improved RFA computer model by ICW electrode ...
Anna Bofill s Use of Mathematics in Her Architecture

Gómez Collado, María del Carmen; Rivera Herráez, Rafael José; Trujillo Guillen, Macarena (Springer-Verlag, 2017)

[EN] The work of Anna Bofill Levi, architect and composer, is an example of using mathematics to envision or conceive a project in both architecture and music. In this paper we focus on the architectural aspect and try to ...
Applicator for RF Thermokeratoplasty: Feasibility Study Using Theoretical Modeling and Ex Vivo Experiments

Trujillo Guillen, Macarena; Ribera, Vicente; Quesada, Rita; Berjano, Enrique (Springer Verlag (Germany), 2012)

Radiofrequency (RF) thermokeratoplasty uses RF currents to alter the curvature of the cornea by means of thermal lesions. An RF applicator which combined a microkeratome suction ring and a circular electrode was designed ...
Cambio de variable en integrales múltiples. Coordenadas cilíndricas

Trujillo Guillen, Macarena (Universitat Politècnica de València, 2011-11-18)

En este objeto se habla brevemente de la importancia de utilizar un cambio de variable para resolver integrales múltiples y se explica cuándo y cómo se realiza un cambio a coordenadas cilíndricas en integración triple.
Cambio de variable en integrales múltiples. Coordenadas polares

Trujillo Guillen, Macarena (Universitat Politècnica de València, 2011-11-18)

En este objeto se habla brevemente de la importancia de utilizar un cambio de variable para resolver integrales múltiples y se explica cuándo y cómo se realiza un cambio a coordenadas polares en integración doble.
Can electroporation previous to radiofrequency hepatic ablation enlarge thermal lesion size? A feasibility study based on theoretical modelling and in vivo experiments

Trujillo Guillen, Macarena; Castellvi, Quim; Burdío, Fernando; Sánchez Velázquez, Patricia; Ivorra, Antoni; Andaluz, Anna; Berjano, Enrique (Informa Healthcare, 2013-05)

Purpose: The aim of this study was to assess the feasibility of a hybrid ablative technique based on applying electroporation (EP) pulses just before conducting radiofrequency ablation (RFA). The rationale was that the ...
Can Fat Deposition After Myocardial Infarction Alter the Performance of RF Catheter Ablation of Scar-Related Ventricular Tachycardia?: Results from a Computer Modeling Study

Pérez, Juan J; D'Avila, Andre; Aryana, Arash; Trujillo Guillen, Macarena; Berjano, Enrique (Wiley, 2016-08)

Effect of Fat Deposition on the Performance in RF Ablation IntroductionThe outcomes of catheter ablation of scar-mediated ventricular tachycardia (VT) remain far from perfect. The presence of fat as a component of the ...
Chaos for the Hyperbolic Bioheat Equation

Conejero, J. Alberto; Ródenas Escribá, Francisco de Asís; Trujillo Guillen, Macarena (American Institute of Mathematical Sciences (AIMS), 2015-02)

The Hyperbolic Heat Transfer Equation describes heat processes in which extremely short periods of time or extreme temperature gradients are involved. It is already known that there are solutions of this equation which ...
Comparison of enthalpy method and water fraction method to mathematically model water vaporization during RF ablation

Fatieieva, Yuliia; Almendárez, Pedro; Romero-Méndez, Ricardo; Berjano, Enrique; Trujillo Guillen, Macarena (Cosmos Scholars Publishing House, 2014-09)

[EN] During high-temperature energy-based therapies such as radiofrequency ablation (RFA) the target tissue reaches temperatures around 100ºC, which causes tissue dehydration by water vaporization. In order to be as ...
Comparison of two radiofrequency-based hemostatic devices: saline-linked bipolar vs. cooled-electrode monopolar

Moll, Xavier; Fondevila, Dolors; García-Arnás, Félix; Burdio, Fernando; Trujillo Guillen, Macarena; Irastorza, Ramiro M.; Berjano, Enrique; Andaluz, Anna (Taylor & Francis, 2022-12-31)

[EN] Purpose To characterize the coagulation zones created by two radiofrequency (RF)-based hemostatic devices: one comprised an internally cooled monopolar electrode and the other comprised externally irrigated bipolar ...
Computational modeling of internally cooled wet (ICW) electrodes for radiofrequency ablation: Impact of rehydration, thermal convection and electrical conductivity

Trujillo Guillen, Macarena; Bon Corbín, José; Berjano, Enrique (Taylor & Francis, 2017)

[EN] Purpose: (1) To analyse rehydration, thermal convection and increased electrical conductivity as the three phenomena which distinguish the performance of internally cooled electrodes (IC) and internally cooled wet ...
Computational Models and Experimentation for Radiofrequency-based Ablative Techniques

González Suárez, Ana (Universitat Politècnica de València, 2014-03-14)

Las técnicas ablativas basadas en energía por radiofrecuencia (RF) se emplean con el fin de lograr un calentamiento seguro y localizado en el tejido biológico. En los últimos años ha habido un rápido crecimiento en el ...
Computer modeling and ex vivo experiments with a (saline-linked) irrigated electrode for RF-assisted heating

Arenas Puig, Francisco Javier; Pérez Martínez, Juan José; Trujillo Guillen, Macarena; Berjano Zanón, Enrique (BioMed Central, 2014-12-12)

Background Externally irrigated radiofrequency (RF) electrodes have been widely used to thermally ablate tumors in surface tissue and to thermally coagulate the transection plane during a surgical resection. As far as ...
Computer modeling and experimentation in radiofrequiency-based minimally invasive therapies

Ewertowska, Elzbieta (Universitat Politècnica de València, 2020-01-07)

[ES] La ablación por radiofrecuencia (RF) se ha convertido en una técnica ablativa importante, ampliamente utilizada en el área de las terapias mínimamente invasivas de la medicina moderna. El avance en el campo de las ...
Computer modeling of an impedance-controlled pulsing protocol for RF tumor ablation with a cooled electrode

Trujillo Guillen, Macarena; Bon Corbín, José; Rivera Ortun, María José; Burdio, Fernando; Berjano, Enrique (Taylor & Francis, 2016)

[EN] Purpose: To develop computer models to mimic the impedance-controlled pulsing protocol implemented in radiofrequency (RF) generators used for clinical practice of radiofrequency ablation (RFA), and to assess the ...
Computer modelling of RF ablation in cortical osteoid osteoma: Assessment of the insulating effect of the reactive zone

Irastorza, Ramiro M.; Trujillo Guillen, Macarena; Martel Villagran, Jose; Berjano, Enrique (Taylor & Francis, 2016-02-10)

Purpose: The aim was to study by computer simulations the insulating role of the reactive zone surrounding a cortical osteoid osteoma (OO) in terms of electrical and thermal performance during radiofrequency ablation ...
Could it be advantageous to tune the temperature controller during radiofrequency ablation? A feasibility study using theoretical models

Alba Martínez, José; Trujillo Guillen, Macarena; Blasco Giménez, Ramón Manuel; Berjano Zanón, Enrique (Informa Healthcare, 2011-09)

Purpose: To assess whether tailoring the Kp and Ki values of a proportional-integral (PI) controller during radiofrequency (RF) cardiac ablation could be advantageous from the point of view of the dynamic behaviour of the ...
Could the heat sink effect of blood flow inside large vessels protect the vessel wall from thermal damage during RF-assisted surgical resection?

González Suárez, Ana; Trujillo Guillen, Macarena; Burdío, Fernando; Andaluz, Anna; Berjano, Enrique (American Association of Physicists in Medicine: Medical Physics, 2014-08)

Purpose: To assess by means of computer simulations whether the heat sink effect inside a large vessel (portal vein) could protect the vessel wall from thermal damage close to an internally cooled electrode during ...
Creación de esculturas inspiradas en el análisis matemático de la obra de Jaume Espí

Gómez Collado, María del Carmen; Puchalt Lacal, Jaume; Sarrió Puig, Joel; Trujillo Guillen, Macarena (Universidad Politécnica de Madrid, 2013-04)

[EN] In this work is made a mathematical study of some works of Jaume Espí sculptor. We note that there exists a close relationship between mathematics and sculpture in some cases. We also present two sculptures created ...
Cultura urbana y teoría de grafos

Muñoz Hernando, Itziar (Universitat Politècnica de València, 2024-09-10)

[ES] Las ciudades son espacios complejos en los que interaccionan muchas variables. Son el escenario en el que se mezclan las personas, con su cultura, su historia, su identidad y sus tradiciones. Por eso, son un ejemplo ...