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Efficacy of circumferential pulmonary vein isolation in atrial fibrillation patients under activation mapping: a prospective cohort study

Efficacy of circumferential pulmonary vein isolation in atrial fibrillation patients under activation mapping: a prospective cohort study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1800017610
Enrollment
Unknown
Registered
2018-08-06
Start date
2018-08-02
Completion date
Unknown
Last updated
2018-08-20

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

Conditions

atrial fibrillation

Interventions

Group 1:activation mapping
Group 2:the classical CPVI

Sponsors

Affiliated Hospital of Guizhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Aged >18 symptomatic non-valvular atrial fibrillation, normal atrial voltage (> 0.5mv), left atrial diameter < 50mm, no effect treated by two or more antiarrhythmic drugs.

Exclusion criteria

Exclusion criteria: 1. Transthoracic echocardiography showed abnormal valvular disease or congenital heart disease; 2. Left atrium abnormality voltage 50 mm; 3. Transesophageal echocardiography (in patients with intolerance of cardiac structure imaging) revealed thrombosis in left atrium and left atrial auricle; The above patients received oral warfarin treatment for 3 weeks to maintain INR between 1.8 and 2.5.If there is no thrombosis in left atrium and left atrial auricle, they will meet inclusion criteria; 4. Patients with acute myocardial infarction, acute left heart failure and acute cerebrovascular disease within 3 months; 5. Patients with severe heart conduction system diseases, rheumatic fever, infectious diseases, metabolic disorders, liver insufficiency, and renal insufficiency; 6. Patients with chronic obstructive pulmonary disease, uncontrolled hyperthyroidism, autoimmune disease and tumor; 7. Patients with blood system diseases and tendency to bleed; 8. A patient who is pregnant or likely to become pregnant; 9. Patients followed up for less than 3 months; 10. Unable to tolerate oral anticoagulants and antiarrhythmic drugs 3 months after operation?Life expectancy less than one year

Design outcomes

Primary

MeasureTime frame
the recurrence of AF;

Secondary

MeasureTime frame
the voltage of the anterior left atrium wall;the conduction time;Operative time;

Countries

China

Contacts

Public ContactWei Zhou

Affiliated Hospital of Guizhou Medical University

zhouwei4@medmai.com.cn+86 18608516303

Outcome results

None listed

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