Table.
Patient characteristics and procedural data in patients subjected to VOM ethanol infusion (VOM) versus controls.
| Variable | VOM (n=10) | Control (n=10) | P Value |
|---|---|---|---|
|
Clinical characteristics
| |||
| Age (years) | 57.1 | 57.8 | 0.86 |
| Male sex (no., %) | 9 (90%) | 9 (90%) | 1 |
| Persistent AF/Paroxysmal AF | 5/5 | 5/5 | 1 |
| Duration of AF (months) | 36.3±20.4 | 36.9±19.8 | 0.94 |
| Antiarrhythmic drugs tried (no.) | 1±0.47 | 1.3±0.48 | 0.19 |
| Previous electrical cardioversion (no.) | 1.4±0.96 | 1.2±0.78 | 0.61 |
|
| |||
|
Structural heart disease
| |||
| Congestive heart failure (no., %) | 2 (20%) | 2 (20%) | 1 |
| LA volume (cc.) | 81.5±30.9 | 80.9±26.6 | 0.9 |
| Left ventricular ejection fraction (%) | 57.9±15 | 56.5±13.3 | 0.44 |
|
| |||
|
Procedural parameters
| |||
| Pulmonary vein antral isolation | 100% | 100% | 1 |
| Ablation of complex fractionated | 5 | 5 | 1 |
| potentials (no. of patients) | |||
| Mitral isthmus line (no of patients) | 8 | 8 | 1 |
| Total procedure time (min) | 259±57.5 | 212±26.6 | 0.02 |
| Total fluoroscopy time (min) | 50.7±13.4 | 48.9±10.3 | 0.75 |
| VOM procedure time (min) | 49±10.3 | ||
| VOM fluoroscopy time (min) | 8.4±3.8 | ||
| Hansen system used (no., %) | 6 (60%) | 5 (50%) | 0.52 |
| Total radiofrequency ablation time (min) | 95.4±39.3 | 116.37±21.8 | 0.13 |