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Early Experience of Novel Oral Anticoagulants in Catheter Ablation for Atrial Fibrillation: Efficacy and Safety Comparison to Warfarin

Authors
 Dong Geum Shin  ;  Tae-Hoon Kim  ;  Jae-Sun Uhm  ;  Joung-Youn Kim  ;  Boyoung Joung  ;  Moon-Hyoung Lee  ;  Hui-Nam Pak 
Citation
 YONSEI MEDICAL JOURNAL, Vol.57(2) : 342-349, 2016 
Journal Title
 YONSEI MEDICAL JOURNAL 
ISSN
 0513-5796 
Issue Date
2016
MeSH
Aged ; Anticoagulants/therapeutic use* ; Atrial Fibrillation/complications ; Atrial Fibrillation/drug therapy* ; Atrial Fibrillation/surgery* ; Catheter Ablation/methods* ; Female ; Follow-Up Studies ; Hemorrhage/epidemiology ; Heparin ; Humans ; Incidence ; Male ; Middle Aged ; Postoperative Complications/epidemiology ; Stroke/epidemiology ; Thromboembolism/epidemiology ; Treatment Outcome ; Warfarin/administration & dosage ; Warfarin/therapeutic use*
Keywords
Atrial fibrillation ; catheter ablation ; novel oral anticoagulant ; warfarin
Abstract
PURPOSE: Compared with warfarin, novel oral anticoagulants (NOACs) are convenient to use, although they require a blanking period immediately before radiofrequency catheter ablation for atrial fibrillation (AF). We compared NOACs and uninterrupted warfarin in the peri-procedural period of AF ablation. MATERIALS AND METHODS: We compared 141 patients treated with peri-procedural NOACs (72% men; 58 ± 11 years old; 71% with paroxysmal AF) and 281 age-, sex-, AF type-, and history of stroke-matched patients treated with uninterrupted warfarin. NOACs were stopped 24 hours before the procedure and restarted on the same procedure day after hemostasis was achieved. RESULTS: We found no difference in the CHA₂DS₂-VASc (p=0.376) and HAS-BLED scores (p=0.175) between the groups. The preprocedural anticoagulation duration was significantly shorter in the NOAC group (76.3 ± 110.7 days) than in the warfarin group (274.7 ± 582.7 days, p<0.001). The intra-procedural total heparin requirement was higher (p<0.001), although mean activated clotting time was shorter (350.0 ± 25.0 s vs. 367.4 ± 42.9 s, p<0.001), in the NOAC group than in the warfarin group. There was no significant difference in thromboembolic events (1.4% vs. 0%, p=0.111) or major bleeding (1.4% vs. 3.9%, p=0.235) between the NOAC and warfarin groups. Minor stroke occurred in two cases within 10 hours of the procedure (underlying CHA₂DS₂-VASc scores 0 and 1) in the NOAC group. CONCLUSION: Pre-procedural anticoagulation duration was shorter and intra-procedural heparin requirement was higher with NOAC than with uninterrupted warfarin during AF ablation. Although the peri-procedural thromboembolism and bleeding incidences did not differ, minor stroke occurred in two cases in the NOAC group.
Files in This Item:
T201600913.pdf Download
DOI
10.3349/ymj.2016.57.2.342
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jong Youn(김종윤) ORCID logo https://orcid.org/0000-0001-7040-8771
Kim, Tae-Hoon(김태훈) ORCID logo https://orcid.org/0000-0003-4200-3456
Pak, Hui Nam(박희남) ORCID logo https://orcid.org/0000-0002-3256-3620
Shin, Dong Geum(신동금)
Uhm, Jae Sun(엄재선) ORCID logo https://orcid.org/0000-0002-1611-8172
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/22282913/146585
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