Acute Results of Transvenous Cryoablation of Supraventricular Tachycardia (Atrial Fibrillation, Atrial Flutter, Wolff‐Parkinson‐White Syndrome, Atrioventricular Nodal Reentry Tachycardia)
Identifieur interne : 001944 ( Main/Exploration ); précédent : 001943; suivant : 001945Acute Results of Transvenous Cryoablation of Supraventricular Tachycardia (Atrial Fibrillation, Atrial Flutter, Wolff‐Parkinson‐White Syndrome, Atrioventricular Nodal Reentry Tachycardia)
Auteurs : Luz-Maria Rodriguez [Pays-Bas] ; J. Christoph Geller [Allemagne] ; Hung-Fat Tse [République populaire de Chine] ; Carl Timmermans [Pays-Bas] ; Sven Reek [Allemagne] ; Kathy Lai-Fun Lee [République populaire de Chine] ; Gregory M. Ayers [États-Unis] ; Chu-Pak Lau [République populaire de Chine] ; Helmut U. Klein [Allemagne] ; Harry J. G. M Crijns [Pays-Bas]Source :
- Journal of Cardiovascular Electrophysiology [ 1045-3873 ] ; 2002-11.
English descriptors
Abstract
Transvenous Cryoablation for SVT. Introduction: Radiofrequency (RF) catheter ablation currently is used for treatment of cardiac arrhythmias. Although the success rate is high for almost all supraventricular tachycardias (SVT), this technique has some drawbacks, especially when pulmonary veins (PV) are targeted for treatment of atrial fibrillation (AF). Additionally, new techniques for isolation of the PVs have the drawback that they can be used only for PV isolation and not for routine treatment of other SVTs. The aim of this study was to report on the safety and efficacy of a new cryoablation system for treatment of all SVTs. Methods and Results: Forty‐nine patients with SVT (38 men; age 48 years, range 23–76) were enrolled in the study. Five patients were withdrawn from the study before they underwent cryoablation. The remaining 44 patients were treated with cryoablation (22 AF, 15 atrial flutter, 3 accessory pathway, 2 AV nodal reentrant tachycardia, 1 AV junction ablation for permanent AF, 1 atrial tachycardia). Cryoablation was performed with the CryoCorTM cryoablation system, which uses a precooling system and N2O as a refrigerant. The number of freezes applied varied according to the index arrhythmia treated. Successful isolation of PVs was performed in 20 of (96%) 21 AF patients and 53 of 55 veins. The overall acute success was 98% (43/44). Fifty‐three PVs were isolated (2.5/patient). The success rate was 100% (23/23) for right‐sided procedures. The average and nadir temperatures reached in right‐sided and left‐sided procedures were −77°C and −80°C and −75°C and −78°C, respectively. No acute PV stenosis was seen. Conclusion: This novel cryoablation system appears to be safe and can successfully treat different types of SVTs, including AF. Isolation of PVs is possible without producing stenosis. Despite the high blood flow in the right atrial isthmus and PVs, bidirectional conduction block can be achieved.
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DOI: 10.1046/j.1540-8167.2002.01082.x
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Christoph Geller</name></author><author><name sortKey="Tse, Hung At" sort="Tse, Hung At" uniqKey="Tse H" first="Hung-Fat" last="Tse">Hung-Fat Tse</name></author><author><name sortKey="Timmermans, Carl" sort="Timmermans, Carl" uniqKey="Timmermans C" first="Carl" last="Timmermans">Carl Timmermans</name></author><author><name sortKey="Reek, Sven" sort="Reek, Sven" uniqKey="Reek S" first="Sven" last="Reek">Sven Reek</name></author><author><name sortKey="Lee, Kathy Lai Un" sort="Lee, Kathy Lai Un" uniqKey="Lee K" first="Kathy Lai-Fun" last="Lee">Kathy Lai-Fun Lee</name></author><author><name sortKey="Ayers, Gregory M" sort="Ayers, Gregory M" uniqKey="Ayers G" first="Gregory M." last="Ayers">Gregory M. Ayers</name></author><author><name sortKey="Lau, Chu Ak" sort="Lau, Chu Ak" uniqKey="Lau C" first="Chu-Pak" last="Lau">Chu-Pak Lau</name></author><author><name sortKey="Klein, Helmut U" sort="Klein, Helmut U" uniqKey="Klein H" first="Helmut U." last="Klein">Helmut U. 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Christoph Geller</name><affiliation wicri:level="3"><country xml:lang="fr">Allemagne</country><wicri:regionArea>† University Hospital, Otto‐von‐Guericke University, Magdeburg</wicri:regionArea><placeName><region type="land" nuts="2">Saxe-Anhalt</region><settlement type="city">Magdebourg</settlement></placeName></affiliation></author><author><name sortKey="Tse, Hung At" sort="Tse, Hung At" uniqKey="Tse H" first="Hung-Fat" last="Tse">Hung-Fat Tse</name><affiliation wicri:level="1"><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>‡ University of Hong Kong, Hong Kong, Queen Mary Hospital, Hong Kong</wicri:regionArea><wicri:noRegion>Hong Kong</wicri:noRegion></affiliation></author><author><name sortKey="Timmermans, Carl" sort="Timmermans, Carl" uniqKey="Timmermans C" first="Carl" last="Timmermans">Carl Timmermans</name><affiliation wicri:level="1"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>* Department of Cardiology, Academic Hospital Maastricht and Cardiovascular Research Institute Maastricht (CARIM), Maastricht</wicri:regionArea><wicri:noRegion>Maastricht</wicri:noRegion></affiliation></author><author><name sortKey="Reek, Sven" sort="Reek, Sven" uniqKey="Reek S" first="Sven" last="Reek">Sven Reek</name><affiliation wicri:level="3"><country xml:lang="fr">Allemagne</country><wicri:regionArea>† University Hospital, Otto‐von‐Guericke University, Magdeburg</wicri:regionArea><placeName><region type="land" nuts="2">Saxe-Anhalt</region><settlement type="city">Magdebourg</settlement></placeName></affiliation></author><author><name sortKey="Lee, Kathy Lai Un" sort="Lee, Kathy Lai Un" uniqKey="Lee K" first="Kathy Lai-Fun" last="Lee">Kathy Lai-Fun Lee</name><affiliation wicri:level="1"><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>‡ University of Hong Kong, Hong Kong, Queen Mary Hospital, Hong Kong</wicri:regionArea><wicri:noRegion>Hong Kong</wicri:noRegion></affiliation></author><author><name sortKey="Ayers, Gregory M" sort="Ayers, Gregory M" uniqKey="Ayers G" first="Gregory M." last="Ayers">Gregory M. Ayers</name><affiliation wicri:level="2"><country>États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>§ CryoCor, Inc., San Diego</wicri:cityArea></affiliation></author><author><name sortKey="Lau, Chu Ak" sort="Lau, Chu Ak" uniqKey="Lau C" first="Chu-Pak" last="Lau">Chu-Pak Lau</name><affiliation wicri:level="1"><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>‡ University of Hong Kong, Hong Kong, Queen Mary Hospital, Hong Kong</wicri:regionArea><wicri:noRegion>Hong Kong</wicri:noRegion></affiliation></author><author><name sortKey="Klein, Helmut U" sort="Klein, Helmut U" uniqKey="Klein H" first="Helmut U." last="Klein">Helmut U. 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M Crijns</name><affiliation wicri:level="1"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>* Department of Cardiology, Academic Hospital Maastricht and Cardiovascular Research Institute Maastricht (CARIM), Maastricht</wicri:regionArea><wicri:noRegion>Maastricht</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Cardiovascular Electrophysiology</title><idno type="ISSN">1045-3873</idno><idno type="eISSN">1540-8167</idno><imprint><publisher>Blackwell Science Inc</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2002-11">2002-11</date><biblScope unit="volume">13</biblScope><biblScope unit="issue">11</biblScope><biblScope unit="page" from="1082">1082</biblScope><biblScope unit="page" to="1089">1089</biblScope></imprint><idno type="ISSN">1045-3873</idno></series><idno type="istex">1C5881D80FA50B1FCA922591EBA74D18316954AA</idno><idno type="DOI">10.1046/j.1540-8167.2002.01082.x</idno><idno type="ArticleID">JCE1082</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1045-3873</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>atrial fibrillation</term><term>cryoablation</term><term>supraventricular tachycardia</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Transvenous Cryoablation for SVT. Introduction: Radiofrequency (RF) catheter ablation currently is used for treatment of cardiac arrhythmias. Although the success rate is high for almost all supraventricular tachycardias (SVT), this technique has some drawbacks, especially when pulmonary veins (PV) are targeted for treatment of atrial fibrillation (AF). Additionally, new techniques for isolation of the PVs have the drawback that they can be used only for PV isolation and not for routine treatment of other SVTs. The aim of this study was to report on the safety and efficacy of a new cryoablation system for treatment of all SVTs. Methods and Results: Forty‐nine patients with SVT (38 men; age 48 years, range 23–76) were enrolled in the study. Five patients were withdrawn from the study before they underwent cryoablation. The remaining 44 patients were treated with cryoablation (22 AF, 15 atrial flutter, 3 accessory pathway, 2 AV nodal reentrant tachycardia, 1 AV junction ablation for permanent AF, 1 atrial tachycardia). Cryoablation was performed with the CryoCorTM cryoablation system, which uses a precooling system and N2O as a refrigerant. The number of freezes applied varied according to the index arrhythmia treated. Successful isolation of PVs was performed in 20 of (96%) 21 AF patients and 53 of 55 veins. The overall acute success was 98% (43/44). Fifty‐three PVs were isolated (2.5/patient). The success rate was 100% (23/23) for right‐sided procedures. The average and nadir temperatures reached in right‐sided and left‐sided procedures were −77°C and −80°C and −75°C and −78°C, respectively. No acute PV stenosis was seen. Conclusion: This novel cryoablation system appears to be safe and can successfully treat different types of SVTs, including AF. Isolation of PVs is possible without producing stenosis. Despite the high blood flow in the right atrial isthmus and PVs, bidirectional conduction block can be achieved.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Pays-Bas</li><li>République populaire de Chine</li><li>États-Unis</li></country><region><li>Californie</li><li>Saxe-Anhalt</li></region><settlement><li>Magdebourg</li></settlement></list><tree><country name="Pays-Bas"><noRegion><name sortKey="Rodriguez, Luz Aria" sort="Rodriguez, Luz Aria" uniqKey="Rodriguez L" first="Luz-Maria" last="Rodriguez">Luz-Maria Rodriguez</name></noRegion><name sortKey="Crijns, Harry J G M" sort="Crijns, Harry J G M" uniqKey="Crijns H" first="Harry J. G. M" last="Crijns">Harry J. G. M Crijns</name><name sortKey="Timmermans, Carl" sort="Timmermans, Carl" uniqKey="Timmermans C" first="Carl" last="Timmermans">Carl Timmermans</name></country><country name="Allemagne"><region name="Saxe-Anhalt"><name sortKey="Geller, J Christoph" sort="Geller, J Christoph" uniqKey="Geller J" first="J. Christoph" last="Geller">J. Christoph Geller</name></region><name sortKey="Klein, Helmut U" sort="Klein, Helmut U" uniqKey="Klein H" first="Helmut U." last="Klein">Helmut U. Klein</name><name sortKey="Reek, Sven" sort="Reek, Sven" uniqKey="Reek S" first="Sven" last="Reek">Sven Reek</name></country><country name="République populaire de Chine"><noRegion><name sortKey="Tse, Hung At" sort="Tse, Hung At" uniqKey="Tse H" first="Hung-Fat" last="Tse">Hung-Fat Tse</name></noRegion><name sortKey="Lau, Chu Ak" sort="Lau, Chu Ak" uniqKey="Lau C" first="Chu-Pak" last="Lau">Chu-Pak Lau</name><name sortKey="Lee, Kathy Lai Un" sort="Lee, Kathy Lai Un" uniqKey="Lee K" first="Kathy Lai-Fun" last="Lee">Kathy Lai-Fun Lee</name></country><country name="États-Unis"><region name="Californie"><name sortKey="Ayers, Gregory M" sort="Ayers, Gregory M" uniqKey="Ayers G" first="Gregory M." last="Ayers">Gregory M. Ayers</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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