atrial fibrillation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Patients commit to abide by the research procedures and cooperate with the the whole process of research; 2.Patients are diagnosed with atrial fibrillation by conventional ECG or Holter; 3.Patients are to receive radiofrequency ablation for the first time and there is no thrombosis in the left atrium and left atrial appendage confirmed by TEE.
Exclusion criteria
Exclusion criteria: 1. Patients who are not the first to undergo radiofrequency ablation of atrial fibrillation; 2. Patients with suspected or definite thrombus in the left atrium and left atrial appendage; 3. Patients with valvular disease, congenital heart disease, severe myocardial ischemia, cardiomyopathy, other severe arrhythmias, and insufficiency of important organs; 4. Patients with a history of contrast medium allergy or contraindications to TEE examination; 5. Poor image quality.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| diameter of the left atrial appendage;depth of the left atrial appendage;ejection of the left atrial appendage;Filling velocity of left atrial appendage;emptying velocity of left atrial appendage;Duration of contrast agents filling left atrial appendage; | — |
Countries
China
Contacts
Union Hospital, Tongji Medical College, Huazhong University of Science and Technology