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on October 13, 2003

Circulation. 2003
Published online before print October 13, 2003, doi: 10.1161/01.CIR.0000095796.45180.88
A more recent version of this article appeared on November 11, 2003
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Submitted on June 23, 2003
Revised on August 11, 2003
Accepted on August 13, 2003

Catheter Ablation for Paroxysmal Atrial Fibrillation. Segmental Pulmonary Vein Ostial Ablation Versus Left Atrial Ablation

Hakan Oral MD*, Christoph Scharf MD, Aman Chugh MD, Burr Hall MD, Peter Cheung MD, Eric Good DO, Srikar Veerareddy MD, Frank Pelosi Jr MD, and Fred Morady MD

From the Division of Cardiology, University of Michigan, Ann Arbor.

* To whom correspondence should be addressed. E-mail: oralh{at}umich.edu.

Background--Segmental ostial catheter ablation (SOCA) to isolate the pulmonary veins (PVs) and left atrial catheter ablation (LACA) to encircle the PVs both may eliminate paroxysmal atrial fibrillation (PAF). The relative efficacy of these 2 techniques has not been directly compared.

Methods and Results--Of 80 consecutive patients with symptomatic PAF (age, 52±10 years), 40 patients underwent PV isolation by SOCA and 40 patients underwent LACA to encircle the PVs. During SOCA, ostial PV potentials recorded with a ring catheter were targeted. LACA was performed by encircling the left- and right-sided PVs 1 to 2 cm from the ostia and was guided by an electroanatomic mapping system; ablation lines also were created in the mitral isthmus and posterior left atrium. The mean procedure and fluoroscopy times were 156±45 and 50±17 minutes for SOCA and 149±33 and 39±12 minutes for LACA, respectively. At 6 months, 67% of patients who underwent SOCA and 88% of patients who underwent LACA were free of symptomatic PAF when not taking antiarrhythmic drug therapy (P=0.02). Among the variables of age, sex, duration and frequency of PAF, ejection fraction, left atrial size, structural heart disease, and the ablation technique, only an increased left atrial size and the SOCA technique were independent predictors of recurrent PAF. The only complication was left atrial flutter in a patient who underwent LACA.

Conclusions--In patients undergoing catheter ablation for PAF, LACA to encircle the PVs is more effective than SOCA.


Key words: fibrillation • catheter ablation • veins • lung • atrium




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M. Jahangiri, G. Weir, K. Mandal, I. Savelieva, and J. Camm
Current strategies in the management of atrial fibrillation.
Ann. Thorac. Surg., July 1, 2006; 82(1): 357 - 364.
[Abstract] [Full Text] [PDF]


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J Am Coll CardiolHome page
P. S. Chan, S. Vijan, F. Morady, and H. Oral
Cost-Effectiveness of Radiofrequency Catheter Ablation for Atrial Fibrillation
J. Am. Coll. Cardiol., June 20, 2006; 47(12): 2513 - 2520.
[Abstract] [Full Text] [PDF]


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Ann. Thorac. Surg.Home page
M. E.W. Hemels, Y. L. Gu, A. E. Tuinenburg, P. W. Boonstra, A. C.P. Wiesfeld, M. P. van den Berg, D. J. Van Veldhuisen, and I. C. Van Gelder
Favorable long-term outcome of maze surgery in patients with lone atrial fibrillation.
Ann. Thorac. Surg., May 1, 2006; 81(5): 1773 - 1779.
[Abstract] [Full Text] [PDF]


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CirculationHome page
H. Oral, A. Chugh, E. Good, S. Sankaran, S. S. Reich, P. Igic, D. Elmouchi, D. Tschopp, T. Crawford, S. Dey, et al.
A Tailored Approach to Catheter Ablation of Paroxysmal Atrial Fibrillation
Circulation, April 18, 2006; 113(15): 1824 - 1831.
[Abstract] [Full Text] [PDF]


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J Am Coll CardiolHome page
M. Mansour
Highest Dominant Frequencies in Atrial Fibrillation: A New Target for Ablation?
J. Am. Coll. Cardiol., April 4, 2006; 47(7): 1408 - 1409.
[Full Text] [PDF]


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NEJMHome page
H. Oral, C. Pappone, A. Chugh, E. Good, F. Bogun, F. Pelosi Jr., E. R. Bates, M. H. Lehmann, G. Vicedomini, G. Augello, et al.
Circumferential pulmonary-vein ablation for chronic atrial fibrillation.
N. Engl. J. Med., March 2, 2006; 354(9): 934 - 941.
[Abstract] [Full Text] [PDF]


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CirculationHome page
A. Chugh, R. Latchamsetty, H. Oral, D. Elmouchi, D. Tschopp, S. Reich, P. Igic, T. Lemerand, E. Good, F. Bogun, et al.
Characteristics of Cavotricuspid Isthmus-Dependent Atrial Flutter After Left Atrial Ablation of Atrial Fibrillation
Circulation, February 7, 2006; 113(5): 609 - 615.
[Abstract] [Full Text] [PDF]


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HeartHome page
M. J Earley and R. J Schilling
Catheter and surgical ablation of atrial fibrillation
Heart, February 1, 2006; 92(2): 266 - 274.
[Full Text] [PDF]


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Postgrad. Med. J.Home page
M C S Hall and D M Todd
Modern management of arrhythmias
Postgrad. Med. J., February 1, 2006; 82(964): 117 - 125.
[Abstract] [Full Text] [PDF]


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Eur Heart JHome page
G. Stabile, E. Bertaglia, G. Senatore, A. De Simone, F. Zoppo, G. Donnici, P. Turco, P. Pascotto, M. Fazzari, and D. F. Vitale
Catheter ablation treatment in patients with drug-refractory atrial fibrillation: a prospective, multi-centre, randomized, controlled study (Catheter Ablation For The Cure Of Atrial Fibrillation Study)
Eur. Heart J., January 2, 2006; 27(2): 216 - 221.
[Abstract] [Full Text] [PDF]


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Eur Heart JHome page
V. Essebag, J. V. Wylie, and M. E. Josephson
Effectiveness of catheter ablation of atrial fibrillation
Eur. Heart J., January 2, 2006; 27(2): 130 - 131.
[Full Text] [PDF]


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Ann. Thorac. Surg.Home page
A. M. Gillinov, F. Bakaeen, P. M. McCarthy, E. H. Blackstone, J. Rajeswaran, G. Pettersson, J. F. Sabik III, F. Najam, K. M. Hill, L. G. Svensson, et al.
Surgery for Paroxysmal Atrial Fibrillation in the Setting of Mitral Valve Disease: A Role for Pulmonary Vein Isolation?
Ann. Thorac. Surg., January 1, 2006; 81(1): 19 - 28.
[Abstract] [Full Text] [PDF]


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Am. J. Physiol. Heart Circ. Physiol.Home page
A. Y. Tan, C.-C. Chou, S. Zhou, M. Nihei, C. Hwang, C. T. Peter, M. C. Fishbein, and P.-S. Chen
Electrical connections between left superior pulmonary vein, left atrium, and ligament of Marshall: implications for mechanisms of atrial fibrillation
Am J Physiol Heart Circ Physiol, January 1, 2006; 290(1): H312 - H322.
[Abstract] [Full Text] [PDF]


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CirculationHome page
M. Hocini, P. Jais, P. Sanders, Y. Takahashi, M. Rotter, T. Rostock, L.-F. Hsu, F. Sacher, S. Reuter, J. Clementy, et al.
Techniques, Evaluation, and Consequences of Linear Block at the Left Atrial Roof in Paroxysmal Atrial Fibrillation: A Prospective Randomized Study
Circulation, December 13, 2005; 112(24): 3688 - 3696.
[Abstract] [Full Text] [PDF]


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Eur Heart JHome page
V. Essebag, F. Baldessin, M. R. Reynolds, S. McClennen, J. Shah, K. F. Kwaku, P. Zimetbaum, and M. E. Josephson
Non-inducibility post-pulmonary vein isolation achieving exit block predicts freedom from atrial fibrillation
Eur. Heart J., December 1, 2005; 26(23): 2550 - 2555.
[Abstract] [Full Text] [PDF]


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HeartHome page
F R Quinn and A C Rankin
Atrial fibrillation ablation in the real world
Heart, December 1, 2005; 91(12): 1507 - 1508.
[Abstract] [Full Text] [PDF]


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HeartHome page
J Pontoppidan, J C Nielsen, S H Poulsen, P T Mortensen, A K Pedersen, H K Jensen, and P S Hansen
Radiofrequency ablation of atrial fibrillation: effectiveness and safety in 102 consecutive patients
Heart, December 1, 2005; 91(12): 1611 - 1612.
[Full Text] [PDF]


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CirculationHome page
W. P. Beukema, A. Elvan, H. T. Sie, A. R. Ramdat Misier, and H. J.J. Wellens
Successful Radiofrequency Ablation in Patients With Previous Atrial Fibrillation Results in a Significant Decrease in Left Atrial Size
Circulation, October 4, 2005; 112(14): 2089 - 2095.
[Abstract] [Full Text] [PDF]


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ChestHome page
H.-M. Tsao, M.-H. Wu, S. Higa, K.-T. Lee, C.-T. Tai, N.-W. Hsu, C.-Y. Chang, and S.-A. Chen
Anatomic Relationship of the Esophagus and Left Atrium: Implication for Catheter Ablation of Atrial Fibrillation
Chest, October 1, 2005; 128(4): 2581 - 2587.
[Abstract] [Full Text] [PDF]


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J Am Coll CardiolHome page
S.-H. Lee, C.-T. Tai, M.-H. Hsieh, H.-M. Tsao, Y.-J. Lin, S.-L. Chang, J.-L. Huang, K.-T. Lee, Y.-J. Chen, J.-J. Cheng, et al.
Predictors of Non-Pulmonary Vein Ectopic Beats Initiating Paroxysmal Atrial Fibrillation: Implication for Catheter Ablation
J. Am. Coll. Cardiol., September 20, 2005; 46(6): 1054 - 1059.
[Abstract] [Full Text] [PDF]


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J Am Coll CardiolHome page
K. Lemola, H. Oral, A. Chugh, B. Hall, P. Cheung, J. Han, K. Tamirisa, E. Good, F. Bogun, F. Pelosi Jr, et al.
Pulmonary Vein Isolation as an End Point for Left Atrial Circumferential Ablation of Atrial Fibrillation
J. Am. Coll. Cardiol., September 20, 2005; 46(6): 1060 - 1066.
[Abstract] [Full Text] [PDF]


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CirculationHome page
D. Sanchez-Quintana, J. A. Cabrera, V. Climent, J. Farre, M. C. de Mendonca, and S. Y. Ho
Anatomic Relations Between the Esophagus and Left Atrium and Relevance for Ablation of Atrial Fibrillation
Circulation, September 6, 2005; 112(10): 1400 - 1405.
[Abstract] [Full Text] [PDF]


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J. Thorac. Cardiovasc. Surg.Home page
R. K. Wolf, E. W. Schneeberger, R. Osterday, D. Miller, W. Merrill, J. B. Flege Jr, and A. M. Gillinov
Video-assisted bilateral pulmonary vein isolation and left atrial appendage exclusion for atrial fibrillation
J. Thorac. Cardiovasc. Surg., September 1, 2005; 130(3): 797 - 802.
[Abstract] [Full Text] [PDF]


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CirculationHome page
A. Verma, A. Natale, B. J. Padanilam, E. N. Prystowsky, A. Verma, A. Natale, B. J. Padanilam, and E. N. Prystowsky
Why Atrial Fibrillation Ablation Should Be Considered First-Line Therapy for Some Patients
Circulation, August 23, 2005; 112(8): 1214 - 1222.
[Full Text] [PDF]


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CirculationHome page
B. J. Padanilam and E. N. Prystowsky
Should Ablation Be First-Line Therapy and for Whom: The Antagonist Position
Circulation, August 23, 2005; 112(8): 1223 - 1231.
[Full Text] [PDF]


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CirculationHome page
A. Verma, F. Kilicaslan, E. Pisano, N. F. Marrouche, R. Fanelli, J. Brachmann, J. Geunther, D. Potenza, D. O. Martin, J. Cummings, et al.
Response of Atrial Fibrillation to Pulmonary Vein Antrum Isolation Is Directly Related to Resumption and Delay of Pulmonary Vein Conduction
Circulation, August 2, 2005; 112(5): 627 - 635.
[Abstract] [Full Text] [PDF]