Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/39325
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dc.contributor.authorJais, P.en
dc.contributor.authorHocini, M.en
dc.contributor.authorHsu, L.en
dc.contributor.authorSanders, P.en
dc.contributor.authorScavee, C.en
dc.contributor.authorWeerasooriya, R.en
dc.contributor.authorMacLe, L.en
dc.contributor.authorRaybaud, F.en
dc.contributor.authorGarrigue, S.en
dc.contributor.authorShah, D.en
dc.contributor.authorLe Metayer, P.en
dc.contributor.authorClementy, J.en
dc.contributor.authorHaissaguerre, M.en
dc.date.issued2004en
dc.identifier.citationCirculation, 2004; 110(19):2996-3002en
dc.identifier.issn0009-7322en
dc.identifier.issn1524-4539en
dc.identifier.urihttp://hdl.handle.net/2440/39325-
dc.description.abstractBACKGROUND: This prospective clinical study evaluates the feasibility and efficacy of combined linear mitral isthmus ablation and pulmonary vein (PV) isolation in patients with paroxysmal atrial fibrillation (AF). METHODS AND RESULTS: One hundred consecutive patients (13 women; age 55+/-10 years) with drug-refractory, symptomatic paroxysmal AF underwent PV isolation and linear ablation of the cavotricuspid isthmus and the mitral isthmus (lateral mitral annulus to the left inferior PV). They were compared with 100 consecutive patients (14 women; age, 52+/-10 years) undergoing PV isolation and cavotricuspid ablation without mitral isthmus ablation. Bidirectional mitral isthmus block was confirmed by demonstrating (1) a parallel corridor of double potentials during coronary sinus (CS) pacing, (2) an activation detour by pacing either side of the line, and (3) differential pacing techniques. Isolation of all PVs and cavotricuspid isthmus ablation were performed successfully in all. Mitral isthmus block was achieved in 92 patients after 20+/-10 minutes of endocardial radiofrequency application and an additional 5+/-4 minutes of epicardial radiofrequency application from within the CS in 68, resulting in a conduction delay of 151+/-26 ms during CS pacing. Thirty-two patients with mitral isthmus ablation compared with 49 without had recurrent atrial arrhythmia (P=0.02) requiring further ablation. At 1 year after the last procedure, 87 patients with mitral isthmus ablation and 69 without (P=0.002) were arrhythmia free without antiarrhythmic drugs, mitral isthmus ablation being the only factor associated with long-term success (RR for AF recurrence, 0.2; CI, 0.1 to 0.4; P<0.001). CONCLUSIONS: Catheter ablation of the mitral isthmus results consistently in demonstrable conduction block and is associated with a high cure rate for paroxysmal AF.en
dc.description.statementofresponsibilityPierre Jaïs, Mélèze Hocini, Li-Fern Hsu, Prashanthan Sanders, Christophe Scavee, Rukshen Weerasooriya, Laurent Macle, Florence Raybaud, Stéphane Garrigue, Dipen C. Shah, Philippe Le Metayer, Jacques Clémenty, Michel Haïssaguerreen
dc.language.isoenen
dc.publisherLippincott Williams & Wilkinsen
dc.rights© 2004 American Heart Association, Inc.en
dc.subjectatrium; fibrillation; catheter ablationen
dc.titleTechnique and results of linear ablation at the mitral isthmusen
dc.typeJournal articleen
dc.identifier.rmid0020071858en
dc.identifier.doi10.1161/01.CIR.0000146917.75041.58en
dc.identifier.pubid48091-
pubs.library.collectionMedicine publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidSanders, P. [0000-0003-3803-8429]en
Appears in Collections:Medicine publications

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