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Recovery of pulmonary vein conduction after initial CPVI procedures in patients with paroxysmal atrial fibrillation

Recovery of pulmonary vein conduction after initial CPVI procedures enhanced by ATP-induction in patients with paroxysmal atrial fibrillation

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-TRC-10000825
Enrollment
Unknown
Registered
2010-03-23
Start date
2008-05-01
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

Paroxysmal atrial fibrillation (PAF)

Interventions

Group A:No RoC and ATP induction (-)
Group B1:RoC and ATP induction (+) + second ablation
Group B2:No RoC and ATP induction (+) + no more ablation
Group C1:RoC + second ablation
Group C2:RoC + no more ablation

Sponsors

SIR RUN RUN SHAW Hospital of Zhejiang University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18-75 years; 2. Symptomatic paroxysmal AF, and underwent CPVI procedures which enhanced by ATP-induction and 30min observation; 3. Bidirectional block had been achieved in the initial CPVI procedures; 4. No AF recurrence in the follow-up (at least 1 year after initial CPVI procedure), and confirmed by 7-day-DCG; 5. To be able to and willing to provide the signed informed consent.

Exclusion criteria

Exclusion criteria: 1. Stroke within the previous 3 months or documented intra-atrial thrombus; 2. Myocardial infarction within the previous 3 months or severe end-stage disease with A life expectancy of 2 years or less; 3. A contraindication to ATP or isoprenaline; 4. Abnormal liver or renal function; asthma; uncontrolled diabetes mellitus; hyperthyroidism; severe valvular heart disease; Chronic pericarditis; hypertrophic cardiomyopathy.

Design outcomes

Primary

MeasureTime frame
Rate of freedom from atrial fibrillation post-CPVI;The effect of ATP-induction 1 year after the procedure;The recovery of pulmonary vein conduction after initial CPVI procedures;

Countries

China

Contacts

Public ContactChenyang Jiang
jiangchenyang@hotmail.com+86 13857190051

Outcome results

None listed

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