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Netherlands Heart Journal
Gepubliceerd in:

01-02-2010 | original article

An in vivo comparison of radiofrequency cardiac lesions formed by standard and magnetically steered 4 mm tip catheters

Auteurs: A. S. Thornton, C. A. Brito De Castro, E. van Deel, H. M. M. van Beusekom, L. Jordaens

Gepubliceerd in: Netherlands Heart Journal | Uitgave 2/2010

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Extract

Radiofrequency (RF) ablation lesions are created by resistive heating as RF current passes through tissue. Lesion size depends on tissue temperature which relates to controllable and noncontrollable factors.1 Controllable factors include catheter tip size (tip surface area), tip orientation, power settings, application time, and temperature cut-off. Non-controllable factors include tip cooling by blood flow and tissue contact. These factors have been studied extensively.1-6 …
vorige artikel Cardiac surgery in patients irradiated for Hodgkin’s lymphoma
volgende artikel Evaluation of global left ventricular function assessment of non-fluorescent electromechanical endocardial mapping compared with biplane left ventricular contrast angiography
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Kongsgaard E, Steen T, Jensen O, Aass, H, Amlie JP. Temperature guided radiofrequency catheter ablation of myocardium: comparison of catheter tip and tissue temperatures in vitro. Pacing Clin Electrophysiol. 1997;20:1252–60.
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Haines DE, Watson DD. Tissue heating during radiofrequency catheter ablation: a hermodynamic model and observations in isolated perfused and superfused canine right ventricular free wall. Pacing Clin Electrophysiol. 1989;12:962–76.
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Petersen HH, Chen X, Pietersen A, Svendsen JH, Haunso S. Tissue temperatures and lesion size during irrigated tip catheter radiofrequency ablation: an in vitro comparison of temperaturecontrolled irrigated tip ablation, power-controlled irrigated tip ablation, and standard temperature-controlled ablation. Pacing Clin Electrophysiol. 2000;23:8–17.
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Nakagawa H, Yamanashi WS, Pitha JV, Arruda M, Wang X, Ohtomo K, et al. Comparison of in vivo tissue temperature profile and lesion geometry for radiofrequency ablation with a saline-irrigated electrode versus temperature control in a canine thigh muscle preparation. Circulation. 1995;91:2264–73.
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Petersen HH, Chen X, Pietersen A, Svendsen JH, Haunso S. Temperature-controlled radiofrequency ablation of cardiac tissue: an in vitro study of the impact of electrode orientation, electrode tissue contact pressure and external convective cooling. J Interv Card Electrophysiol. 1999;3:257–62.
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Thornton AS, Janse P, Theuns DA, Scholten MF, Jordaens LJ. Magnetic navigation in AV nodal re-entrant tachycardia study: early results of ablation with one- and three-magnet catheters. Europace. 2006;8:225–30.
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Faddis MN, Blume W, Finney J, Hall A, Rauch J, Sell J, et al. Novel, magnetically guided catheter for endocardial mapping and radiofrequency catheter ablation. Circulation. 2002;106:2980–5.
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Thornton AS, Jordaens LJ. Remote magnetic navigation for mapping and ablating right ventricular outflow tract tachycardia. Heart Rhythm.. 2006;3:691–6.
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Metagegevens
Titel
An in vivo comparison of radiofrequency cardiac lesions formed by standard and magnetically steered 4 mm tip catheters
Auteurs
A. S. Thornton
C. A. Brito De Castro
E. van Deel
H. M. M. van Beusekom
L. Jordaens
Publicatiedatum
01-02-2010
Uitgeverij
Bohn Stafleu van Loghum
Gepubliceerd in
Netherlands Heart Journal / Uitgave 2/2010
Print ISSN: 1568-5888
Elektronisch ISSN: 1876-6250
DOI
https://doi.org/10.1007/BF03091740

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