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Ablation of Human Cardiac Fibrillation Based on Models of Hierarchical Organization of Tissue Excitation

RecruitingNAAges 18 Years - anyAllHospital San Carlos, Madrid
NCT07390175 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The mechanisms that maintain persistent atrial fibrillation (AF) in humans remain unknown. In the research project PI18/01268 funded in the previous call for Strategic Action in Health, the group has demonstrated that the hierarchical organization of (i) rotational domains, (ii) frequency domains and (iii) physiological responses to pharmacological provocation with adenosine, allow the identification of domains of high-frequency reentrant activity (hereinafter "DFASI domains") maintainers of AF. As a result, the investigators have developed non-invasive technological models and quantitative indices for the efficient localization of these domains, whose therapeutic approach through ablation has allowed to improve the clinical results of the patients studied, safely without increase in complications (Calvo D et al. Sci Rep. 2025 Dec 16;15(1):43892). Likewise, and in response to the objecti

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📋 Eligibility rules (as published)
Inclusion Criteria: * Patients over 18 years of age with persistent AF lasting more than 6 months at the time of the experimental protocol (uninterrupted persistent AF) and clinical indication for an AF ablation procedure. or -Patients over 18 years of age with recurrent VF/VT and poor control with conventional pharmacological measures. Exclusion Criteria: * Lack of patient consent to participate in the study. * In patients with persistent AF, contraindication for the use of adenosine. * AF/VF/VPT secondary to endocrine-metabolic disorders and/or severe systemic disease (thyrotoxicosis, sepsis, pulmonary thromboembolism, etc.). * Contraindications for cardiac catheterization (e.g., intracardiac thrombus). * Impossibility of remote monitoring using an implantable Holter monitor or implantable defibrillator.
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What it tests

  • Active group ablation
  • Control group ablation
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Where

1 site
Hospital Clínico San Carlos
Madrid, Spain
🤝 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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