Irrigated and non-irrigated radiofrequency ablation systems and ways of non-irrigated RF systems development

Abstract

Improving of radiofrequency ablation systems for the myocardium is one of the fundamental problems of cardiac surgery. We used pig left ventricular myocardium as a working model. Mean thickness of the left ventricular wall was 10.1 ± 5.6 mm. The studies were performed on 10 hearts. The mean weight of hearts was 294.7 ± 21g. Research is being done on the electrophysical bench in 2 stages. In the first stage the hearts were placed on the electrophysical bench and heated to 36.6°C. In the second stage heart cooled to 20°C. The monopolar radiofrequency exposure was processing on the myocardium by two types of electrodes: spherical irrigated electrode and non-irrigated penetrating one within 20 seconds. The electrical resistance of the myocardium was measured at different temperatures before and after exposure. This paper shows that the decrease in ambient temperature combined with using of new penetrating electrodes for radiofrequency ablation gives better results than using of irrigated and non-irrigated systems. This method allows significantly reduce time exposure for a maximum depth of destruction in the myocardium.

Original language	English
Title of host publication	New Operational Technologies, NEWOT 2015: Proceedings of the 5th International Scientific Conference "New Operational Technologies"
Publisher	American Institute of Physics Inc.
Volume	1688
ISBN (Electronic)	9780735413351
DOIs	https://doi.org/10.1063/1.4936002
Publication status	Published - 17 Nov 2015
Externally published	Yes
Event	5th International Scientific Conference on New Operational Technologies, NEWOT 2015 - Tomsk, Russian Federation Duration: 29 Sep 2015 → 30 Sep 2015

Conference

Conference	5th International Scientific Conference on New Operational Technologies, NEWOT 2015
Country	Russian Federation
City	Tomsk
Period	29.9.15 → 30.9.15

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.4936002

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Evtushenko, A. V., Evtushenko, V. V., Bykov, A. N., Sergeev, V. S., Syryamkin, V. I., Kistenev, Y. V., Anfinogenova, Y. J., Smyshlyaev, K. A., & Kurlov, I. O. (2015). Irrigated and non-irrigated radiofrequency ablation systems and ways of non-irrigated RF systems development. In New Operational Technologies, NEWOT 2015: Proceedings of the 5th International Scientific Conference "New Operational Technologies" (Vol. 1688). [030007] American Institute of Physics Inc.. https://doi.org/10.1063/1.4936002

Irrigated and non-irrigated radiofrequency ablation systems and ways of non-irrigated RF systems development. / Evtushenko, A. V.; Evtushenko, V. V.; Bykov, A. N.; Sergeev, V. S.; Syryamkin, V. I.; Kistenev, Yu V.; Anfinogenova, Yana Jonovna; Smyshlyaev, K. A.; Kurlov, I. O.

New Operational Technologies, NEWOT 2015: Proceedings of the 5th International Scientific Conference "New Operational Technologies". Vol. 1688 American Institute of Physics Inc., 2015. 030007.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Evtushenko, AV, Evtushenko, VV, Bykov, AN, Sergeev, VS, Syryamkin, VI, Kistenev, YV, Anfinogenova, YJ, Smyshlyaev, KA & Kurlov, IO 2015, Irrigated and non-irrigated radiofrequency ablation systems and ways of non-irrigated RF systems development. in New Operational Technologies, NEWOT 2015: Proceedings of the 5th International Scientific Conference "New Operational Technologies". vol. 1688, 030007, American Institute of Physics Inc., 5th International Scientific Conference on New Operational Technologies, NEWOT 2015, Tomsk, Russian Federation, 29.9.15. https://doi.org/10.1063/1.4936002

Evtushenko AV, Evtushenko VV, Bykov AN, Sergeev VS, Syryamkin VI, Kistenev YV et al. Irrigated and non-irrigated radiofrequency ablation systems and ways of non-irrigated RF systems development. In New Operational Technologies, NEWOT 2015: Proceedings of the 5th International Scientific Conference "New Operational Technologies". Vol. 1688. American Institute of Physics Inc. 2015. 030007 https://doi.org/10.1063/1.4936002

Evtushenko, A. V. ; Evtushenko, V. V. ; Bykov, A. N. ; Sergeev, V. S. ; Syryamkin, V. I. ; Kistenev, Yu V. ; Anfinogenova, Yana Jonovna ; Smyshlyaev, K. A. ; Kurlov, I. O. / Irrigated and non-irrigated radiofrequency ablation systems and ways of non-irrigated RF systems development. New Operational Technologies, NEWOT 2015: Proceedings of the 5th International Scientific Conference "New Operational Technologies". Vol. 1688 American Institute of Physics Inc., 2015.

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abstract = "Improving of radiofrequency ablation systems for the myocardium is one of the fundamental problems of cardiac surgery. We used pig left ventricular myocardium as a working model. Mean thickness of the left ventricular wall was 10.1 ± 5.6 mm. The studies were performed on 10 hearts. The mean weight of hearts was 294.7 ± 21g. Research is being done on the electrophysical bench in 2 stages. In the first stage the hearts were placed on the electrophysical bench and heated to 36.6°C. In the second stage heart cooled to 20°C. The monopolar radiofrequency exposure was processing on the myocardium by two types of electrodes: spherical irrigated electrode and non-irrigated penetrating one within 20 seconds. The electrical resistance of the myocardium was measured at different temperatures before and after exposure. This paper shows that the decrease in ambient temperature combined with using of new penetrating electrodes for radiofrequency ablation gives better results than using of irrigated and non-irrigated systems. This method allows significantly reduce time exposure for a maximum depth of destruction in the myocardium.",

author = "Evtushenko, {A. V.} and Evtushenko, {V. V.} and Bykov, {A. N.} and Sergeev, {V. S.} and Syryamkin, {V. I.} and Kistenev, {Yu V.} and Anfinogenova, {Yana Jonovna} and Smyshlyaev, {K. A.} and Kurlov, {I. O.}",

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AU - Bykov, A. N.

AU - Sergeev, V. S.

AU - Syryamkin, V. I.

AU - Kistenev, Yu V.

AU - Anfinogenova, Yana Jonovna

AU - Smyshlyaev, K. A.

AU - Kurlov, I. O.

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N2 - Improving of radiofrequency ablation systems for the myocardium is one of the fundamental problems of cardiac surgery. We used pig left ventricular myocardium as a working model. Mean thickness of the left ventricular wall was 10.1 ± 5.6 mm. The studies were performed on 10 hearts. The mean weight of hearts was 294.7 ± 21g. Research is being done on the electrophysical bench in 2 stages. In the first stage the hearts were placed on the electrophysical bench and heated to 36.6°C. In the second stage heart cooled to 20°C. The monopolar radiofrequency exposure was processing on the myocardium by two types of electrodes: spherical irrigated electrode and non-irrigated penetrating one within 20 seconds. The electrical resistance of the myocardium was measured at different temperatures before and after exposure. This paper shows that the decrease in ambient temperature combined with using of new penetrating electrodes for radiofrequency ablation gives better results than using of irrigated and non-irrigated systems. This method allows significantly reduce time exposure for a maximum depth of destruction in the myocardium.

AB - Improving of radiofrequency ablation systems for the myocardium is one of the fundamental problems of cardiac surgery. We used pig left ventricular myocardium as a working model. Mean thickness of the left ventricular wall was 10.1 ± 5.6 mm. The studies were performed on 10 hearts. The mean weight of hearts was 294.7 ± 21g. Research is being done on the electrophysical bench in 2 stages. In the first stage the hearts were placed on the electrophysical bench and heated to 36.6°C. In the second stage heart cooled to 20°C. The monopolar radiofrequency exposure was processing on the myocardium by two types of electrodes: spherical irrigated electrode and non-irrigated penetrating one within 20 seconds. The electrical resistance of the myocardium was measured at different temperatures before and after exposure. This paper shows that the decrease in ambient temperature combined with using of new penetrating electrodes for radiofrequency ablation gives better results than using of irrigated and non-irrigated systems. This method allows significantly reduce time exposure for a maximum depth of destruction in the myocardium.

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