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A mesh-type flexible tip catheter vs a contact force catheter for catheter ablation of atrial fibrillation: A prospective nonrandomized 1:1 matched study

Authors
 Hui-Nam Pak  ;  Je-Wook Park  ;  Song-Yi Yang  ;  Hee Tae Yu  ;  Jae-Sun Uhm  ;  Boyoung Joung  ;  Moon-Hyoung Lee  ;  Tae-Hoon Kim 
Citation
 JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY, Vol.31(6) : 1279-1288, 2020-06 
Journal Title
 JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY 
ISSN
 1045-3873 
Issue Date
2020-06
Keywords
atrial fibrillation ; catheter ablation ; contact force ; electrophysiology ; recurrence
Abstract
Introduction: Mesh-type flexible tip (MFT) catheters allow clinicians to safely generate large radiofrequency lesions during catheter ablation of atrial fibrillation (AF), while contact force (CF) catheters provide better catheter-tissue contact. We compared the clinical outcomes of catheter ablation of AF using MFT and CF catheters in a prospective, nonrandomized manner. Methods: We prospectively assigned 217 patients with AF (paroxysmal AF 73.5%; male 69.1%; 59.9 ± 10.7 years old) at a 1:1 ratio to ablation with MFT catheters (FlexAbility) or CF catheters (TactiCath). The primary endpoint was AF recurrence after a single procedure; the secondary endpoint was a response to antiarrhythmic drugs. Results: After a mean follow-up of 22.3 ± 4.4 months, the clinical recurrence rate did not significantly differ between the two study groups (29.7% vs 30.2%; P = .941) (log-rank P = .838). The recurrence rate for atrial tachycardias (30.3% vs 9.7%; P = .035) and cardioversion rates (8.1% vs 1.9%; P = .024) were higher in the MFT group than CF group. At the final follow-up, sinus rhythm was maintained without antiarrhythmic drugs in 57.7% of the MFT group and 40.6% of the CF group (P = .010). No significant difference was found in the major complication rates between the two groups (0.9% vs 5.7%), although the ablation time was significantly longer in the MFT group (4192.1 ± 1080.2 vs 3583.8 ± 977.2 seconds; P < .001). Conclusion: MFT and CF catheters had similar effectiveness in achieving AF rhythm control during catheter ablation, and there was no significant difference between the two catheters with regard to overall safety.
Full Text
https://onlinelibrary.wiley.com/doi/full/10.1111/jce.14484
DOI
10.1111/jce.14484
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Tae Hoon(김태훈)
Park, Je Wook(박제욱)
Pak, Hui Nam(박희남) ORCID logo https://orcid.org/0000-0002-3256-3620
Uhm, Jae Sun(엄재선) ORCID logo https://orcid.org/0000-0002-1611-8172
Yu, Hee Tae(유희태) ORCID logo https://orcid.org/0000-0002-6835-4759
Lee, Moon-Hyoung(이문형) ORCID logo https://orcid.org/0000-0002-7268-0741
Joung, Bo Young(정보영) ORCID logo https://orcid.org/0000-0001-9036-7225
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179447
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