atrial fibrillation
Conditions
Interventions
Entrainment group:precisely locating conduction gaps with 3D entrainment mapping and locally enhancing ablation
Control group:traditional complete linear ablation or empirical ablation
Sponsors
Beijing Anzhen Hospital, Capital Medical University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Aged 18-80 years; 2. Atrial flutter associated with residual conduction gap after linear ablation, including: (1) Atrial flutter occurred during initial linear ablation (left atrial roofline and/or mitral isthmus line and/or cavotricuspid isthmus line), considering that atrial flutter is associated to incomplete line of block; (2) Recurrent atrial flutter after previous linear ablation (left atrial roofline and/or mitral isthmus line and/or cavotricuspid isthmus line); 3. Able to be followed up as required.
Exclusion criteria
Exclusion criteria: 1. Atrial flutter after cardiac surgery, considering that atrial flutter is associated with surgical scar; 2. Atrial flutter associated with epicardial bridging; 3. Atrial flutter associated with superior vena cava, pulmonary veins, etc.; 4. Atrial flutter instability or entrainment leads to transformation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the recurrence of atrial tachyarrhythmia; | — |
Secondary
| Measure | Time frame |
|---|---|
| ablation time;the distance between the ablation termination position and the entrainment position;ablation times of residual gaps;the recovery rate of sinus rhythm;the block rate of linear ablation; | — |
Countries
China
Contacts
Public ContactTang Ribo
Beijing Anzhen Hospital, Capital Medical University
Outcome results
None listed