Volltext-Downloads (blau) und Frontdoor-Views (grau)
The search result changed since you submitted your search request. Documents might be displayed in a different sort order.
  • search hit 1 of 15
Back to Result List

Cryoballoon model and simulation of catheter ablation for pulmonary vein isolation in atrial fibrillation

  • Pulmonary vein isolation (PVI) is a common therapy in atrial fibrillation (AF). The cryoballoon was invented to isolate the pulmonary vein in one step and in a shorter time than a point-by-point radiofrequency (RF) ablation. The aim of the study was to model two cryoballoon catheters, one RF catheter and to integrate them into a heart rhythm model for the static and dynamic simulation of PVI byPulmonary vein isolation (PVI) is a common therapy in atrial fibrillation (AF). The cryoballoon was invented to isolate the pulmonary vein in one step and in a shorter time than a point-by-point radiofrequency (RF) ablation. The aim of the study was to model two cryoballoon catheters, one RF catheter and to integrate them into a heart rhythm model for the static and dynamic simulation of PVI by cryoablation and RF ablation in AF. The modeling and simulation were carried out using the electromagnetic and thermal simulation software CST (CST, Darmstadt). Two cryoballons and one RF ablation catheter were modeled based on the technical manuals of the manufacturers Medtronic and Osypka. The PVI especially the isolation of the left inferior pulmonary vein using a cryoballoon catheter was performed with a -50 °C heatsource and an exponential signal. The temperature at the balloon surface was -50 °C after 20 s ablation time, -24 °C from the balloon 0,5 mm in the myocardium, at a distance of 1 mm -3 °C, at 2 mm 18 °C and at a distance of 3mm 29 °C. PVI with RF energy was simulated with an applied power of 5 W at 420 kHz at the distal 8 mm ablation electrode. The temperature at the tip electrode was 110 °C after 15 s ablation time, 75 °C from the balloon at 0,5 mm in the myocardium, at a distance of 1 mm 58 °C, at 2 mm 45 °C and at a distance of 3 mm 38 °C. Virtual heart rhythm and catheter models as well as the simulation of the temperature allow the simulation of PVI in AF by cryo ablation and RF ablation. The 3D simulation of the temperature profile may be used to optimize RF and cryo ablation.show moreshow less

Export metadata

Additional Services

Search Google Scholar

Statistics

frontdoor_oas
Metadaten
Document Type:Article (reviewed)
Zitierlink: https://opus.hs-offenburg.de/2969
Bibliografische Angaben
Title (English):Cryoballoon model and simulation of catheter ablation for pulmonary vein isolation in atrial fibrillation
Author:Robin Müssig, Matthias HeinkeStaff MemberORCiDGND, Johannes HörthStaff MemberGND
Year of Publication:2018
Place of publication:Berlin
Publisher:De Gruyter
First Page:473
Last Page:475
Parent Title (English):Current Directions in Biomedical Engineering
Volume:4
Issue:1
ISSN:2364-5504
DOI:https://doi.org/10.1515/cdbme-2018-0113
URL:https://www.degruyter.com/view/j/cdbme.2018.4.issue-1/cdbme-2018-0113/cdbme-2018-0113.xml?format=INT
Language:English
Inhaltliche Informationen
Institutes:Fakultät Elektrotechnik und Informationstechnik (E+I) (bis 03/2019)
Institutes:Bibliografie
DDC classes:600 Technik, Medizin, angewandte Wissenschaften
Tag:atrial fibrillation; cryo ablation; cryoballoon; pulmonary vein isolation; radiofrequency ablation
Formale Angaben
Open Access: Open Access 
Licence (German):License LogoUrheberrechtlich geschützt