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Effect of mitral isthmus ablation on acute mitral isthmus block ablation efficiency based on Marshall vein distribution

Effect of mitral isthmus ablation on acute mitral isthmus block ablation efficiency based on Marshall vein distribution

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500096639
Enrollment
Unknown
Registered
2025-01-27
Start date
2025-01-31
Completion date
Unknown
Last updated
2025-02-10

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

Conditions

Atrial fibrillation

Interventions

Marshall vein medial margin group:Radiofrequency Ablation
Marshall lateral margin group:Radiofrequency Ablation

Sponsors

The First Affiliated Hospital of University of Science and Technology of China (Anhui Provincial Hospital)
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1.Patients with persistent atrial fibrillation

Exclusion criteria

Exclusion criteria: 1. Patients with atrial fibrillation who have undergone mitral isthmus ablation in the past; 2. Left atrial appendage thrombosis; 3. Coronary venous sinus angiography without Marshall vein; 4. Severe infection; 5. Severe hepatic and renal insufficiency; 6. Uncontrolled malignant tumor; 7. Acute coronary syndrome.

Design outcomes

Primary

MeasureTime frame
Successful mitral isthmus ablation (to achieve bidirectional mitral isthmus blocking);—

Secondary

MeasureTime frame
Pericardial effusion, cerebral infarction and other related surgical complications.;—

Countries

China

Contacts

Public ContactZhu Hongjun

The First Affiliated Hospital of University of Science and Technology of China (Anhui Provincial Hospital)

zhuhongjun551@163.com+86 13955158846

Outcome results

None listed

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