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Effect of Tissue Elasticity in Cardiac Radiofrequency Catheter Ablation Models
Basque Ctr Appl Math, Mazarredo 14, Bilbao 48009, Basque Country, Spain..
KTH, School of Electrical Engineering and Computer Science (EECS), Computational Science and Technology (CST). Basque Ctr Appl Math, Mazarredo 14, Bilbao 48009, Basque Country, Spain..
Hosp Santa Creu & Sant Pau, Barcelona, Spain..
KTH, School of Electrical Engineering and Computer Science (EECS), Computational Science and Technology (CST). Basque Ctr Appl Math, Mazarredo 14, Bilbao 48009, Basque Country, Spain..ORCID iD: 0000-0002-1695-8809
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2018 (English)In: 2018 COMPUTING IN CARDIOLOGY CONFERENCE (CINC), IEEE , 2018Conference paper, Published paper (Refereed)
Abstract [en]

Radiofrequency catheter ablation (RFCA) is an effective treatment for different types of cardiac arrhythmias. However, major complications can occur, including thrombus formation and steam pops. We present a full 3D mathematical model for the radiofrequency ablation process that uses an open-irrigated catheter and accounts for the tissue deformation, an aspect overlooked by the existing literature. An axisymmetric Boussinesq solution for spherical punch is used to model the deformation of the tissue due to the pressure of the catheter tip at the tissue-catheter contact point. We compare the effect of the tissue deformation in the RFCA model against the use of a standard sharp insertion of the catheter in the tissue that other state-of-the-art RFCA computational models use.

Place, publisher, year, edition, pages
IEEE , 2018.
Series
Computing in Cardiology Conference, ISSN 2325-8861
National Category
Computational Mathematics
Identifiers
URN: urn:nbn:se:kth:diva-260235DOI: 10.22489/CinC.2018.035ISI: 000482598700081Scopus ID: 2-s2.0-85068784341ISBN: 978-1-7281-0958-9 (print)OAI: oai:DiVA.org:kth-260235DiVA, id: diva2:1355334
Conference
45th Computing in Cardiology Conference (CinC), SEP 23-26, 2018, Maastricht, NETHERLANDS
Note

QC 20190927

Available from: 2019-09-27 Created: 2019-09-27 Last updated: 2019-09-27Bibliographically approved

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Jansson, Johan

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