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Chinese Circulation Journal ; (12): 525-528, 2014.
Artículo en Chino | WPRIM | ID: wpr-453291

RESUMEN

The Long-term Thromboembolic Event Analysis in Atrial Fibrillation Patients With Radiofrequency Catheter Ablation Objective: To observe the thromboembolic event in atrial fibrillation (AF) patients with long-term successful radiofrequency catheter ablation (RFCA), and to study the relationship between thromboembolic event and CHA2DS2-VASC score in order to guide the anticoagulation strategy for AF patients. Methods: A total of 321 AF patients who received RFCA in our hospital from 2000-01 to 2009-05 were studied. There were 261 patients with paroxysmal AF and 60 with persistent AF, they were followed-up for (66.7±26.9) months. The patients were divided into 2 groups according to AF recurrence condition as Non-recurrence group, n=204 and Recurrence group, n=117. The relationship between thromboembolic event and CHA2DS2-VASC score was studied. Results: The Non-recurrence group had significantly lower rate of thromboembolism than that in Recurrence group (1.96% vs 7.69%), P=0.017. In both groups, the patients with CHA2DS2-VASC score Conclusion: The AF patients who received RFCA without AF recurrence in long-term follow-up had the lower rate of thromboembolic event, CHA2DS2-VASC score was important for evaluating such event. The patients with CHA2DS2-VASC score < 2 could consider stopping warfarin anticoagulation, while the patients with CHA2DS2-VASC score ≥ 2 might be beneifted for warfarin anticoagulation.

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