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Impedance measurement to assess epicardial fat prior to RF intraoperative cardiac ablation: a feasibility study using a computer model

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Impedance measurement to assess epicardial fat prior to RF intraoperative cardiac ablation: a feasibility study using a computer model

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dc.contributor.author González-Suárez, Ana es_ES
dc.contributor.author Hornero, Fernando es_ES
dc.contributor.author Berjano, Enrique es_ES
dc.date.accessioned 2020-09-19T03:34:15Z
dc.date.available 2020-09-19T03:34:15Z
dc.date.issued 2010-11 es_ES
dc.identifier.issn 0967-3334 es_ES
dc.identifier.uri http://hdl.handle.net/10251/150439
dc.description.abstract [EN] Radiofrequency (RF) cardiac ablation is used to treat certain types of arrhythmias. In the epicardial approach, efficacy of RF ablation is uncertain due to the presence of epicardial adipose tissue interposed between the ablation electrode and the atrial wall. We planned a feasibility study based on a theoretical model in order to assess a new technique to estimate the quantity of fat by conducting bioimpedance measurements using a multi-electrode probe. The finite element method was used to solve the electrical problem. The results showed that the measured impedance profile coincided approximately with the epicardial fat profile measured under the probe electrodes and also that the thicker the epicardial fat, the higher the impedance values. When the lateral fat width was less than 4.5 mm, the impedance values altered, suggesting that measurements should always be conducted over a sizeable fat layer. We concluded that impedance measurement could be a practical method of assessing epicardial fat prior to RF intraoperative cardiac ablation, i.e. 'to map' the amount of adipose tissue under the probe. es_ES
dc.description.sponsorship This work was supported by a research grant from the Spanish Government in the 'Plan Nacional de I+D+I del Ministerio de Ciencia e Innovacion' (TEC2008-01369/TEC). The English revision and correction of this note was funded by the Universidad Politecnica de Valencia, Spain. es_ES
dc.language Inglés es_ES
dc.publisher IOP Publishing es_ES
dc.relation MINISTERIO DE EDUCACION /TEC2008-01369 es_ES
dc.relation.ispartof Physiological Measurement es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Atrial Fibrillation es_ES
dc.subject Bioimpedance Measurement es_ES
dc.subject Cardiac Ablation es_ES
dc.subject Computational Modeling es_ES
dc.subject Epicardial Ablation es_ES
dc.subject Epicardial Fat es_ES
dc.subject Finite Element Method es_ES
dc.subject Theoretical Model es_ES
dc.subject.classification TECNOLOGIA ELECTRONICA es_ES
dc.title Impedance measurement to assess epicardial fat prior to RF intraoperative cardiac ablation: a feasibility study using a computer model es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1088/0967-3334/31/11/N03 es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Electrónica - Departament d'Enginyeria Electrònica es_ES
dc.description.bibliographicCitation González-Suárez, A.; Hornero, F.; Berjano, E. (2010). Impedance measurement to assess epicardial fat prior to RF intraoperative cardiac ablation: a feasibility study using a computer model. Physiological Measurement. 31(11):95-104. https://doi.org/10.1088/0967-3334/31/11/N03 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1088/0967-3334/31/11/N03 es_ES
dc.description.upvformatpinicio 95 es_ES
dc.description.upvformatpfin 104 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 31 es_ES
dc.description.issue 11 es_ES
dc.identifier.pmid 20952818 es_ES
dc.relation.pasarela S\39633 es_ES
dc.contributor.funder MINISTERIO DE EDUCACION es_ES
dc.contributor.funder Universitat Politècnica de València es_ES


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