Treatment Success With the CoolLoop Cryoablation System

Inclusion Criteria:

• Age ≥ 18 years
• atrial fibrillation: permanent AF excepted
• ECG documented AF within the last 6 months
• patients planned for an ablation procedure and suitable and planned for treatment withthe CoolLoop® cryoablation system
• signed and dated informed consent documented by the patient, indicating that thepatient has been informed of all the pertinent aspects of the trial prior to studyenrollment (patient has received a copy of the ICF)

Exclusion Criteria:

• indication that the vascular system is not accessible through the left or right groin.
• indication that a transseptal puncture cannot be performed.
• any previous ablation or surgery due to AF.
• important comorbidities such as cardiovascular events within six months of enrollmentor high-risk surgical patients.
• pregnant women at the time of the cryoablation procedure.
• any serious medical condition, laboratory abnormality, or psychiatric illness thatwould prevent the subject from signing the Informed Consent Form.
• participation in interventional trials for cardiovascular devices or drugs.