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Aim of the present prospective, single-centre study is to determine the outcome after pure PVI using HeartLightâ„¢ in 100 patients with different extents of LA-LVA.
The latter will be assessed by an electro-anatomical voltage map using a commercial 3D mapping system (CARTO, Biosense Webster).
The ablation strategy for patients with atrial fibrillation (AF) and concomitant atrial substrate (e.g. low-voltage areas; LVA) is a matter of controversy.
Results of studies investigating the impact of LVA may have been confounded by PV-to-left-atrial (LA) reconnection due to non-durable ablation. Therefore, the true contribution of LA-LVA to AF recurrences remains unknown.
Meanwhile, new ablation technologies such as the HeartLightâ„¢ laser balloon (LB) ablation system providing near complete chronic PVI rates have been developed.
Aim of the present prospective, single-centre study is to determine the outcome after pure PVI using HeartLightâ„¢ in 100 patients with different extents of LA-LVA.
The latter will be assessed by an electro-anatomical voltage map using a commercial 3D mapping system (CARTO, Biosense Webster).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Treatment | Other | PVI with HeartLight |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| PVI with HeartLight | Device | Catheter ablation |
|
| Measure | Description | Time Frame |
|---|---|---|
| Freedom from atrial fibrillation and atrial tachyarrhythmias | 72h Holter-ECG recordings will be performed. In case of clinical arrhythmia symptoms event-recording will be provided. | 12 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Boris Schmidt, MD | Cardioangiologisches Centrum Bethanien | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Cardioangiologisches Centrum Bethanien | Frankfurt am Main | 60431 | Germany |
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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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| D013568 |
| Pathological Conditions, Signs and Symptoms |