Table 1.
Idiopathic ventricular arrhythmia prevalence, procedural success and risk of complications according to the site of origin as reported in larger series. AFT: anterior fascicular tachycardia; LV: left ventricular; LVOT: left ventricular outflow tract; PFT: posterior fascicular tachycardia; RVOT: right ventricular outflow tract.
| Site of Origin | Acute Procedural Success Rate, % | Complications, % Pericardial Effusion (40%) Thromboembolism (3%) Vascular Access Complications (8%) Coronary Arteries Injury (5%) |
|---|---|---|
| RVOT (60%) | 97% | <1% |
| LVOT (10%) | 94% | 5% |
| LV summit (3%) | 70% | 5% |
| Right Ventricle intracavitary structures (14%) | 93% | 1% |
| Left Ventricle intracavitary structures (10%) | 91% | 9% |
| Mitral and Tricuspid Annular Region (5–10%) | 90% | 3% |
| Left bundle fascicles (10%) | 90% | 3% |
| Epicardial Foci (3–5%) | 80% | 8% |