Table 1 Haemodynamic data measurements at each fibrillation/defibrillation event for different pathway impedances.
Group/defibrillator | TTI (Ω) | MAP (mmHg) | HR (beats/min) | ||
---|---|---|---|---|---|
Before | After | Before | After | ||
Low pathway impedance (< 80 Ω) | |||||
Energy-based | 98.7 ± 9.4 | 68.8 ± 9.0 | 69.2 ± 8.8 | 243.3 ± 32.0 | 244.4 ± 32.8 |
Current-based | 101.2 ± 9.5 | 69.4 ± 9.6 | 69.2 ± 9.7 | 242.2 ± 32.6 | 240.9 ± 32.2 |
Medium pathway impedance (80–120 Ω) | |||||
Energy-based | 102.7 ± 12.7 | 69.9 ± 9.1 | 69.4 ± 9.0 | 247.7 ± 29.9 | 251.9 ± 34.1 |
Current-based | 104.2 ± 12.3 | 69.6 ± 8.7 | 69.7 ± 8.9 | 248.4 ± 32.4 | 248.6 ± 33.2 |
High pathway impedance (> 120 Ω) | |||||
Energy-based | 99.7 ± 10.1 | 70.0 ± 7.8 | 69.5 ± 7.8 | 246.6 ± 28.6 | 246.2 ± 27.3 |
Current-based | 100.5 ± 9.1 | 69.1 ± 7.8 | 68.3 ± 8.5 | 248.7 ± 31.5 | 246.8 ± 27.7 |