Atrial flutter
Conditions
Interventions
Control group:Traditional ablation strategies involve ablation from the tricuspid annulus anchor point to the opening of the inferior vena cava.
Experimental group:First, ablate and reinforce the earliest excitation point of the tricuspid isthmus, then extend to the tricuspid anchor point and the opening of the inferior vena cava.
Sponsors
Sichuan Provincial People's Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Age 18 to 80 years old; 2. Patients are recommended for catheter ablation treatment due to typical atrial flutter; 3. Atrial flutter can be persistent or paroxysmal, and at least one atrial flutter episode is documented on the 12-lead ECG; 4. The shape of the ECG should be dependent on the isthmus of the tricuspid valve, which can be counterclockwise or clockwise; 5. And the patient's electrophysiological examination confirmed that it was typical atrial flutter.
Exclusion criteria
Exclusion criteria: 1. Previously treated with tricuspid isthmus ablation or atrial fibrillation ablation; 2. Atrial flutter is only recorded through outpatient clinics; 3. The atrial flutter morphology on the electrocardiogram indicates left atrial flutter; 4. History of atrial flutter with 1:1 atrioventricular conduction and hemodynamic instability; 5. Structural heart disease such as atrial septal defect; 6. Left atrial diameter (PLAX M-mode) >5.5 cm; 7. Severe left ventricular dysfunction (left ventricular ejection fraction = 40); 11. Extreme frailty (clinical frailty scale score of 7, 8 or worse); 12. Mitral valve position with metal prosthesis valve installed; 13. Installed cardiac resynchronization therapy equipment, pacemaker or implantable cardioverter defibrillator; 14. End-stage renal insufficiency (eGFR < 30 ml/min); 15. Pregnancy; 16. Valvular heart disease of any type assessed to be severe; 17. Previous valve replacement surgery or other prosthetic heart valve implantation; 18. Any previously documented evidence of atrial fibrillation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Ablation time; | — |
Secondary
| Measure | Time frame |
|---|---|
| The effectiveness ;Surgical safety;Cardiac function indicators; | — |
Countries
China
Contacts
Public ContactChen Yu
Sichuan Provincial People's Hospital
Outcome results
None listed