atrial fibrillation
Conditions
Interventions
All patients undergo radiofrequency catheter ablation with a QDOT MICRO catheter using a 3D mapping system (CARTO3). We apply radiofrequency on the left atrial wall on the esophagus using QMODE+. Pati
Sponsors
Okamatsu Hideharu Hideharu
Eligibility
Inclusion criteria
Inclusion criteria: Patients undergoing first radiofrequency catheter ablation for atrial fibrillation.
Exclusion criteria
Exclusion criteria: Patients participating in other clinical trials. Patients with a history of catheter ablation and/or surgery of atrial fibrillation. Patients with left ventricular ejection fraction less than 35 percent. Patients with left atrial diameter greater than 55 millimeters. Patients with persistent atrial fibrillation lasting more than three years. Patients with a history of surgical or catheter intervention for valvular heart disease. Patients with severe valvular heart disease Patients with a history of esophageal varices Patients with active malignancy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Residual conduction gap on esophagus after linear radiofrequency application for left atrial wall on the esophagus. | — |
Secondary
| Measure | Time frame |
|---|---|
| Esophageal lesion classified by Kansas City classification. Gastric hypomotility Residual conduction gap after ipsilateral circumferential linear radiofrequency application around the pulmonary vein. The time needed to complete linear radiofrequency application around the pulmonary vein Procedure-related complication | — |
Contacts
Public ContactHideharu Okamatsu
Saiseikai Kumamoto Hospital
Outcome results
None listed