Premature ventricular contractions
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age >18 years; 2. Patients with ventricular arrhythmias confirmed to originate from the posterior superior process of the left ventricle (PSP-LV) through previous intracardiac electrophysiological examination and radiofrequency ablation; 3. At least one antiarrhythmic drug has been ineffective, and symptoms repeatedly recur.
Exclusion criteria
Exclusion criteria: 1. Previously underwent catheter ablation treatment; 2. Has severe structural heart disease, including moderate to severe valvular heart disease, HCM, DCM, etc.; 3. Patients with severe liver or kidney dysfunction; 4. Patients who cannot undergo radiofrequency ablation for various reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Correlation between Electrocardiographic Features and Three-Dimensional Electrophysiological Mapping Results in Patients with Ventricular Premature Beats of PSP-LV Origin; | — |
Secondary
| Measure | Time frame |
|---|---|
| Accuracy of preoperative electrocardiograms in predicting ventricular premature beats originating from PSP-LV; | — |
Countries
China
Contacts
The First Affiliated Hospital of Dalian Medical University