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TECHNICAL BRIEFS

Benchmark Solution for the Prediction of Temperature Distributions During Radiofrequency Ablation of Cardiac Tissue

[+] Author and Article Information
Ryan T. Roper, Matthew R. Jones

Department of Mechanical Engineering, Brigham Young University, 435 CTB, PO Box 24201, Provo UT 84602-4201 Phone: (801) 422-3051 Fax: (801) 422-0516 e-mail: roper@byu.edu

J Biomech Eng 126(4), 519-522 (Sep 27, 2004) (4 pages) doi:10.1115/1.1785810 History: Received May 01, 2003; Revised October 13, 2003; Online September 27, 2004
Copyright © 2004 by ASME
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References

Morady,  M., 1999, “Radio-frequency ablation as treatment for cardiac arrhythmias,” N. Engl. J. Med., 340(7), pp. 534–543, Feb.
Jain,  M. K., and Wolf,  P. D., 2000, “A three-dimensional finite element model of radiofrequency ablation with blood flow and its experimental validation,” Ann. Biomed. Eng., 28, pp. 1075–1084.
Tungjitkusolmun,  S., Woo,  E. J., Cao,  H., Tsai,  J., Vorperian,  V. R., and Webster,  J. G., 2000, “Finite element analyses of uniform current density electrodes for radio-frequency cardiac ablation,” IEEE Trans. Biomed. Eng., 47(1), pp. 32–39, Jan.
Labonté,  S., 1994, “Numerical model for radio-frequency ablation of the endocardium and its experimental validation,” IEEE Trans. Biomed. Eng., 41(2), pp. 108–115.
Tungjitkusolmun,  S., Woo,  E. J., Cao,  H., Tsai,  J.-Z., Vorperian,  V. R., and Webster,  J. G., 2000, “Thermal-electrical finite element modeling for radio-frequency cardiac ablation: effects of changes in myocardial properties,” Med. Biol. Eng. Comput., 38, pp. 562–568.
Pennes,  H. H., 1948, “Analysis of tissue and arterial blood temperature in resting human forearm,” J. Appl. Phys., 2, pp. 93–122.
Roper, R. T., 2003, A Study of Radiofrequency Cardiac Ablation Using Analytical and Numerical Techniques, M.S. Thesis, Brigham Young University, Department of Mechanical Engineering.
Kakac, S. and Yener, Y., 1993, Heat Conduction, Taylor & Francis, Washington, DC.
Poularikas, A. D., 2000, The Transforms and Applications Handbook, CRC Press LLC, Boca Raton.
Haines,  D. E., Watson,  D. D., and Verow,  A. F., 1990, “Electrode radius predicts lesion radius during radiofrequency energy heating,” Circ. Res., 67, pp. 124–129.
Wheelon, A. D., 1968, Table of Summable Series and Integrals Involving Bessel Functions, Holden-Day, San Francisco.
Bhavaraju, N. C., 1999, Heat Transfer Modeling During Cardiac Ablation in Swine Myocardium. Ph.D. Thesis, The University of Texas at Austin, Department of Biomedical Engineering.

Figures

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Schematic depicting details of the ablation model. Included are the thermal boundary conditions
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Schematic showing the boundary conditions used in solving for the electric potential distribution
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Contour plot of the dimensionless heat generation
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Dimensionless temperature profiles for h=1000 W/m2K where (a) τ=2.0 (21.8 s) and (b) τ=5.5 (59.9 s)
Grahic Jump Location
Dimensionless temperature profiles for τ=5.5 (59.9 s.) where (a) h=1000 W/m2K and (b) h=4000 W/m2K

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