RVOT VT/PVCs
Conditions
Interventions
1:pace mapping
2:activation mapping
Sponsors
The First Affiliated Hospital of Nanjing Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 66 Years
Inclusion criteria
Inclusion criteria: 1) Patients with symptomatic idiopathic ventricular tachycardia (VT) or premature ventricular contractions (PVCs) with left bundle branch block (LBBB) morphology, an inferior axis, and the precordial lead transition zone >=V4; 2) RVOT PVCs burden >=20%; 3) All patients had either failed or intolerant to beta-blocker and/or class IC or III antiarrhythmic agents; 4) They had normal cardiac structure and left ventricular ejection fraction (LVEF) by echocardiogram.
Exclusion criteria
Exclusion criteria: 1) Patients with structure heart disease or other system disease; 2) Patients with other VAs; 3) Patients with reversal RVOT VT/PVCs; 4) Patients who are younger than 18 years old; 5) Patients who required isoproterenol for induction of RVOT VT/PVCs.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The area of myocardial activated (EAA) and the area of myocardial captured (ECA) within the first 1m; | — |
Secondary
| Measure | Time frame |
|---|---|
| The catheter ablation success rate at the EA and the BO site; | — |
Countries
China
Contacts
Public ContactMinglong Chen
Outcome results
None listed