The Safety and Efficacy of Radiofrequency Ablation After Left Atrial Appendage Occlusion.

Summary

Objective: To evaluate the safety and efficacy of transcatheter atrial fibrillation ablation 1 month after WATCHMAN FLX left atrial appendage closure in patients with nonvalvular atrial fibrillation.

Eligibility

Inclusion Criteria:

1. ≥18 years of age, diagnosed with nonvalvular atrial fibrillation;
2. Meet the indications for receiving WATCHMAN FLX left atrial appendicular closure and transcatheter atrial fibrillation ablation;
3. Preoperative imaging evaluation showed that the anatomical structure of the left atrial appendage was suitable for implantation with the WATCHMAN FLX device;
4. The patient agrees to participate in the study and signs the informed consent.

Exclusion Criteria:

1. valvular heart disease or other structural heart disease that causes atrial fibrillation;
2. left auricular thrombus or acute thrombotic event was found before surgery;
3. Patients with severe bleeding tendency or recent major bleeding events (such as massive gastrointestinal bleeding, cerebral hemorrhage, etc.);
4. Patients who are unable to complete postoperative follow-up (such as life expectancy of less than 1 year or poor compliance);
5. Other serious diseases (such as liver and kidney failure, active infection, etc.) were found in preoperative examination;
6. Pregnant or lactating women.

Conditions3

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