- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06183619
Superior Vena Cava Isolation Plus Pulmonary Vein Isolation for Paroxysmal Atrial Fibrillation
Superior Vena Cava Isolation Plus Pulmonary Vein Isolation for Paroxysmal Atrial: a Multi-center Retrospective Study
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Catheter ablation has emerged as an effective treatment for drug-refractory PAF and is recommended as first-line therapy by current guidelines. PVI is considered the cornerstone of catheter ablation for atrial fibrillation (AF). However, despite persistent PVI, a subgroup of patients may experience recurrent AF due to focal ectopic discharges originating outside the pulmonary veins. Among the non-pulmonary vein triggers, the SVC stands out as a common culprit, making it a promising ablation target for maintaining sinus rhythm. Nevertheless, results from previous studies that evaluated the efficacy of SVCI showed conflicting results. One possible explanation is that SVC is adjacent to critical anatomical structures (such as the sinus node and the phrenic nerve), which raises safety concerns and often leads to inadequate ablation.
Therefore, it is necessary to establish a standardized ablation procedure for SVCI, ensuring both safety and efficacy. To address this issue, the investigators proposed the concept of "quantitative ablation for SVCI." By introducing AI as a quantitative measure, it is possible to achieve precise catheter ablation while minimizing the risk of procedure-related complications.
This study aimed to investigate the safety and feasibility of quantitative AI-guided SVCI in addition to PVI. Participants with PAF who required catheter ablation will be consecutively enrolled in three hospitals in China.
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Wenchi Guan, MD, PhD
- Phone Number: +8613521270747
- Email: wenchi.guan@outlook.com
Study Contact Backup
- Name: Jun Liu, MD, PhD
- Phone Number: +8615810319596
- Email: liujundoctor@163.com
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Symptomatic paroxysmal AF that are unresponsive to antiarrhythmic drugs (one or more than one).
- Willing to undergo catheter ablation for AF.
Exclusion Criteria:
- History of any type of catheter ablation for cardiac arrhythmias.
- Sinus node dysfunction that requires permanent pacemaker implantation.
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Pulmonary vein isolation plus superior vena cava isolation
|
Pulmonary vein isolation plus superior vena cava isolation
|
Pulmonary vein isolation
|
Pulmonary vein isolation only
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
AT/AF recurrence
Time Frame: 12 months
|
atrial fibrillation, atrial flutter, atrial tachycardia over 30s
|
12 months
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- T2020-ZX019
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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