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Cryoballoon Ablation Guided by threE-Dimensional mapping system versus radiofrequency ablation for paroxysmal Atrial Fibrillation

Cryoballoon Ablation Guided by threE-Dimensional mapping system versus radiofrequency ablation for paroxysmal Atrial Fibrillation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900028577
Enrollment
Unknown
Registered
2019-12-28
Start date
2020-01-01
Completion date
Unknown
Last updated
2020-01-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Atrial fibrillation

Interventions

Two groups:Cryoballoon Ablation Guided by threE-Dimensional mapping system versus RadioFrequency Catheter Ablation guided by index

Sponsors

Changhai Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Symptomatic nonvalvular ward fibrillation, with ECG, DCG or random ECG evidence proving the onset of AF; 2. At least one class III antiarrhythmic drug is ineffective or intolerable; 3. Aged 18-80 years; 4. Patients understand the advantages and disadvantages of cryoablation and radiofrequency ablation; 5. The subjects or their legal representatives can understand and are willing to sign the informed consent to participate in the experiment.

Exclusion criteria

Exclusion criteria: 1. Thrombus formation in left atrium or left auricle; 2. Left atrium diameter > 50mm; 3. High risk of bleeding or contraindication of anticoagulant application; 4. Stroke or myocardial infarction within 3 months; 5. Uncontrolled hyperthyroidism; 6. Pregnancy; 7. Expected survival < 1 year; 8. Refuse to participate in the clinical trial.

Design outcomes

Primary

MeasureTime frame
1-year AF free survival;

Secondary

MeasureTime frame
Incidence of serious complications;

Countries

China

Contacts

Public ContactSongqun Huang

Changhai Hospital

hsq8593@163.com+86 13585588854

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026