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Left atrial function assessed by speckle tracking and real-time 3-dimensional echocardiography after minimally invasive radiofrequency ablation

Left atrial function assessed by speckle tracking and real-time 3-dimensional echocardiography after minimally invasive radiofrequency ablation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-OCH-13003118
Enrollment
Unknown
Registered
2013-03-14
Start date
2013-04-01
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

Atrial fibrillation

Interventions

PAF:rediofrequency ablation
LSPAF:rediofrequency ablation
control:No treatment but measure the left atrial remodeling using speckle-tracking and real-time 3-dimensional echocardiography

Sponsors

Beijing Anzhen Hospital, Capital Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: Patients with paroxysmal AF and long-lasting persistent AF between 18 and 80 years of age wereselected on the basis of the following inclusion criteria: drug-refractory AF; inability to tolerate antiarrhythmic drugs or anticoagulation therapy; left ventricular ejection fraction of 40% or greater; able to provide written informed consent; life expectancy of at least 2 years; and able to attend scheduled follow-up visits.

Exclusion criteria

Exclusion criteria: Patients with thromboembolism in LA, severe structural heart disease, an LA diameter >=80 mm or ejection fraction <=40% were excluded

Design outcomes

Primary

MeasureTime frame
LAVmax;LAVmin;AAEF;TAEF;APEF;AEI;Heart rate;—

Countries

China

Contacts

Public ContactWang Jian-Gang
wangjiangang7545@126.com+86 13511055133

Outcome results

None listed

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