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This is an observational multicenter registry of atrial fibrillation catheter ablation performed using the ablation index technology.
This is an observational multicenter registry of atrial fibrillation catheter ablation performed using the ablation index technology, which has been introduced as a tool predicting ablation lesion depth. The index incorporates the following characteristics of radiofrequency point-by-point ablation: radiofrequency energy power, contact force, duration of ablation. Since the ablation index is calculated for every individual operator depending on his(her) personal skills, there is no a strict indication on the safe and effective range of the index. This registry aims to evaluate ablation index values used in different centers by different operators. Prospective information on arrhythmia recurrence rate and type, characteristics of redo ablations, characteristics of reconduction ablated areas will be gathered.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Catheter ablation | Procedure | Radiofrequency catheter pulmonary vein isolation |
| Measure | Description | Time Frame |
|---|---|---|
| Freedom from atrial fibrillation | Number of participants with no evidence of atrial tachyarrhythmia longer than 30 s in duration at 12 months after ablation, as detected by regular ECG monitoring according to centres' established practices (Holter monitoring every 3 months, implantable loop recorder, cardiac rhythm management device interrogation, other regular ECG screening). Data will be collected using a web-based system with electronic case report forms. | 1 year |
| Measure | Description | Time Frame |
|---|---|---|
| Acute complications | Number of participants with adverse events that are related to treatment (i.e. cardiac tamponade, periprocedural stroke, pulmonary vein stenosis, esophageal damage, etc) whithin 30 days after ablation. Data will be collected using a web-based system with electronic case report forms. | 30 days |
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Inclusion Criteria:
Exclusion Criteria:
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Patients (both males and females aged 18-79 years) with indications to atrial fibrillation ablation undergoing radiofrequency catheter pulmonary vein isolation
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Federal State Budgetary Institution "V. A. Almazov Federal North-West Medical Research Centre" of the Ministry of Health of the Russian Federation | Saint Petersburg | 197341 | Russia |
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| ID | Term |
|---|---|
| D001281 | Atrial Fibrillation |
| ID | Term |
|---|---|
| D001145 | Arrhythmias, Cardiac |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
| D010335 | Pathologic Processes |
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| ID | Term |
|---|---|
| D017115 | Catheter Ablation |
| ID | Term |
|---|---|
| D000078703 | Radiofrequency Ablation |
| D000078702 | Radiofrequency Therapy |
| D013812 | Therapeutics |
| D055011 | Ablation Techniques |
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| Procedure time |
Duration of the total ablation procedure and fluoroscopy needed to complete pulmonary vein isolation, expressed in minutes. |
| 180 minutes |
| Fluoroscopy time | Fluoroscopy duration within the procedure | 24 hours |
| Electrical reconduction | Number of participats with electrical reconduction into pulmonary veins as assessed during repeat procedures. | 2 years |
| D013568 |
| Pathological Conditions, Signs and Symptoms |
| D013514 |
| Surgical Procedures, Operative |