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https://hdl.handle.net/2440/39237
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dc.contributor.author | Kistler, P. | - |
dc.contributor.author | Sanders, P. | - |
dc.contributor.author | Fynn, S. | - |
dc.contributor.author | Stevenson, I. | - |
dc.contributor.author | Hussin, A. | - |
dc.contributor.author | Vohra, J. | - |
dc.contributor.author | Sparks, P. | - |
dc.contributor.author | Kalman, J. | - |
dc.date.issued | 2003 | - |
dc.identifier.citation | Circulation, 2003; 108(16):1968-1975 | - |
dc.identifier.issn | 0009-7322 | - |
dc.identifier.issn | 1524-4539 | - |
dc.identifier.uri | http://hdl.handle.net/2440/39237 | - |
dc.description | © 2003 American Heart Association, Inc. | - |
dc.description.abstract | <h4>Background</h4>The objective of this study was to describe the electrophysiological characteristics, anatomic distribution, and long-term outcome after focal ablation (RFA) of pulmonary vein (PV) atrial tachycardia (AT). Both atrial fibrillation (AF) and AT may be due to a rapidly firing focus in the PVs. Whether these represent two aspects of the same process is unknown.<h4>Methods and results</h4>Twenty-seven patients with 28 PV(16%) ATs of a consecutive series of 172 undergoing RFA for focal AT are reported. The mean age was 39+/-16 years, with symptoms for 9+/-14 years resistant to 1.7+/-0.8 medications. AT occurred spontaneously or with isoproterenol in all patients and was not inducible with PES in any. The distribution of PV ATs was right superior PV, 11; left superior PV, 11; left inferior PV, 5; and right inferior PV, 1; 26of 28 foci (93%) were ostial. RFA was successful in 28 of 28 PV ATs acutely. RFA was focal in 25 of 28, with PV isolation of a single target vein in 3. There were 4 recurrences at a mean of 3.3 months. Repeat RFA was performed in all 4 and successful in 3 of 4. All but one recurrence occurred from the same site. Long-term success was achieved in 26 of 27 (96%) patients at mean follow-up of 25+/-22 months. No patients have had subsequent development of AF or AT from a different site.<h4>Conclusions</h4>PV AT has a distribution similar to PV AF, with a propensity to upper veins. However, the majority of foci are ostial, and only a small percentage occur from deep in the PV. Focal RFA is associated with high long-term success, with freedom from both AT from other sites and from AF. PV AT is a localized process and therefore may be different from PV AF. | - |
dc.description.statementofresponsibility | Peter M. Kistler, Prashanthan Sanders, Simon P. Fynn, Irene H. Stevenson, Azlan Hussin, Jitendra K. Vohra, Paul B. Sparks, Jonathan M. Kalman | - |
dc.language.iso | en | - |
dc.publisher | Lippincott Williams & Wilkins | - |
dc.source.uri | http://dx.doi.org/10.1161/01.cir.0000095269.36984.75 | - |
dc.subject | tachycardia | - |
dc.subject | fibrillation | - |
dc.subject | catheter ablation | - |
dc.title | Electrophysiological and electrocardiographic characteristics of focal atrial tachycardia originating from the pulmonary veins: acute and long-term outcomes of radiofrequency ablation | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1161/01.CIR.0000095269.36984.75 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Sanders, P. [0000-0003-3803-8429] | - |
Appears in Collections: | Aurora harvest 6 Medicine publications |
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