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      Use of dabigatran vs. warfarin with low-molecular-weight heparin bridging in catheter ablation for atrial fibrillation patients with a low CHADS2 score

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          Abstract

          The purpose of the present study was to compare the efficacy and safety of dabigatran and interrupted warfarin with low-molecular-weight heparin bridging in non-valvular atrial fibrillation (AF) catheter ablation. Previously, there has been concerns that bridging therapy increases bleeding events without the benefit of stroke prevention. It has been suggested that bridging therapy should be considered only for patients at high-risk of thrombosis. Nevertheless, bridging therapy in AF patients with a low CHADS2 score may be safe and effective. The authors performed a prospective, observational study that included consecutive 240 patients undergoing AF ablation in P.R. China. A total of 139 patients received 110 mg dabigatran twice daily and 101 patients took dose-adjusted warfarin that had been bridged with low-molecular-weight heparin. The mean patient age was 55.48 years with 72.1% being men and 74.2% having paroxysmal AF. One thromboembolic complication occurred in the dabigatran group compared to none in the warfarin group. Both the groups presented a similar major bleeding rate, total bleeding rate, and bleeding and thromboembolic complications. In patients undergoing AF ablation, the risk of bleeding or thromboembolic complications was similar for both dabigatran and interrupted warfarin with bridging therapy. Bridging therapy appeared to be safe and effective for the low-risk population.

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          Author and article information

          Journal
          Biomed Rep
          Biomed Rep
          BR
          Biomedical Reports
          D.A. Spandidos
          2049-9434
          2049-9442
          May 2017
          28 March 2017
          28 March 2017
          : 6
          : 5
          : 549-554
          Affiliations
          [1 ]The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, the State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital of Shandong University, Jinan, Shandong 250012, P.R. China
          [2 ]Department of Cardiology, Qilu Hospital, Shandong University, Jinan, Shandong 250012, P.R. China
          Author notes
          Correspondence to: Dr Jing-Quan Zhong, Department of Cardiology, Qilu Hospital, Shandong University, 107 West Culture Road, Jinan, Shandong 250012, P.R. China, E-mail: 18560086597@ 123456163.com
          Article
          PMC5431545 PMC5431545 5431545 BR-0-0-880
          10.3892/br.2017.880
          5431545
          28529736
          e1d44678-6867-4522-8a82-0e06b0c955ef
          Copyright © 2017, Spandidos Publications
          History
          : 03 November 2016
          : 21 February 2017
          Categories
          Articles

          low CHADS2 score,non-valvular atrial fibrillation,catheter ablation,bridging therapy,dabigatran,warfarin

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