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Application of two-dimensional ultrasound speckle tracking imaging technique to evaluate the correlation of left atrial and left ventricular function changes before and after catheter radiofrequency ablation in patients with paroxysmal atrial fibrillation and to explore its predictive value for atrial fibrillation recurrence

Application of two-dimensional ultrasound speckle tracking imaging technique to evaluate the correlation of left atrial and left ventricular function changes before and after catheter radiofrequency ablation in patients with paroxysmal atrial fibrillation and to explore its predictive value for atrial fibrillation recurrence

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100049624
Enrollment
Unknown
Registered
2021-08-07
Start date
2021-08-07
Completion date
Unknown
Last updated
2022-04-19

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

Conditions

atrial fibrillation

Interventions

Gold Standard:Clinical outcome
Index test:two-dimensional&#32
speckle&#32
tracking&#32
imaging&#32
technology

Sponsors

Shanghai Sixth People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. To be diagnosed with paroxysmal atrial fibrillation by routine electrocardiogram and dynamic electrocardiogram; 2. The patient agreed to undergo catheter radiofrequency ablation and no thrombus was found in the left atrium and left atrial appendage by transesophageal echocardiography; 3. Transthoracic echocardiography without structural heart disease; 4. Transthoracic two-dimensional ultrasound images are clear.

Exclusion criteria

Exclusion criteria: 1. Complicated congenital heart disease or congenital heart disease surgery history, valvular disease and other cardiac surgery history; 2. Various types of cardiomyopathy; 3. Combined cardiac insufficiency (EF<50%); 4. Those with unclear two-dimensional ultrasound images and difficult to collect images.

Design outcomes

Primary

MeasureTime frame
AF recurrence 3 months after surgery;—

Countries

China

Contacts

Public ContactZheng Dongyan

Shanghai Sixth People's Hospital

zhengdongyan081400@163.com+86 15902113910

Outcome results

None listed

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