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Evaluation of the Impact of Pulsed Field Ablation on Autonomic Nervous System Modulation in Paroxysmal Atrial Fibrillation

RecruitingNAAges 18 Years - 70 YearsAllVZW Cardiovascular Research Center Aalst
NCT06647485 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The objective of this clinical trial is to evaluate the impact of pulse field (PF) energy, both alone and in combination with radiofrequency (RF) energy, on vagal modulation during point-by-point pulmonary vein isolation (PVI) in patients with paroxysmal atrial fibrillation (PAF). The effect of PF energy on ganglionated plexi (GP) will be assessed using heart rate variability (HRV) as a surrogate marker. Participants will be randomized into three groups: the PF-only group and the Hybrid group (PF posterior/RF anterior) as the experimental arms, and the RF-only group as the control arm. HRV will be measured before and 24 hours after the PVI procedure. Additionally, cardio and neuro biomarkers (Troponin and S100B) will be measured pre-procedure and 20 minutes post-ablation. All participants will be followed for 12 months, with 24-hour Holter-ECG evaluations scheduled at 3, 6, and 12 months

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📋 Eligibility rules (as published)
Inclusion Criteria: * Symptomatic Paroxysmal Atrial Fibrillation (AF) that terminates spontaneously or with intervention within 7 days of onset * Age range: 18-70 years * Willing and capable of providing informed consent * Able and willing to comply with all pre-, post-, and follow-up testing and requirements Exclusion Criteria: * Previously diagnosed Persistent AF (\> 7 days in duration) * Previous LA ablation * Previous cardiac surgery * Myocardial Infarction within the previous 3 months * Severely compromised Left Ventricular Ejection Fraction (LVEF\<40%) * Presence of implanted pacemaker or Implantable Cardioverter-Defibrillator (ICD) or other implanted metal cardiac device that may interfere with the pulsed electric field energy * Acute illness, active systemic infection, or sepsis * Presence of intracardiac thrombus, myxoma, tumor, interatrial baffle or patch or other abnormality that precludes catheter introduction or manipulation. * Severe mitral regurgitation * Woman who are pregnant, lactating, or who are planning to become pregnant during the course of the clinical investigation
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What it tests

  • PF-only PVI
  • Hybrid PVI
  • RF-only PVI
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Where

1 site
OLV Hospital
Aalst, Belgium
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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