Table 3 Comparison between ATP accelerated episodes and non-accelerated episodes according to ATP programming parameters
From: Arrhythmogenicity of anti-tachycardia pacing in patients with implantable cardioverter defibrillator
ATP programming parameters | VT accelerated episodes (n = 38) | Non-accelerated VT episodes (n = 410) | P-value |
|---|---|---|---|
Number of ATP of bursts | |||
Mean ± SD | 3.66 ± 2.22 | 1.76 ± 1.35 | < 0.001** |
Range | 1–9 | 1–11 | |
Number of stimuli in each burst | |||
Mean ± SD | 8.50 ± 0.98 | 8.22 ± 1.05 | 0.113 |
Range | 5–10 | 5–13 | |
Burst adaptive CL | |||
Mean ± SD | 83.55 ± 2.92 | 84.64 ± 2.61 | 0.016* |
Range | 80–88 | 75–88 | |
Scanning | |||
No | 17 (44.7%) | 281 (68.7%) | 0.003* |
Yes | 21 (55.3%) | 128 (31.3%) | |
Ramp | |||
No | 29 (76.3%) | 392 (95.8%) | < 0.001** |
Yes | 9 (23.7%) | 17 (4.2%) | |