Table 3.
Arrhythmias Causing Electrical Storm and Related ICD Therapy
| Author | ES Arrhythmias | ES Therapies | ES Hospitalization |
|---|---|---|---|
| Credner 18 | Pts: 64% mVT, 21% VF, 14% mVT+VF | NA | 86% of pts |
| Greene 19 | Eps: 97% mVT, 3% pVT+VF | Eps: 23% only ATP, 77% with shocks | NA |
| Bänsch 15 | ES: 87% mVT, 8% pVT/VF, 4% different mVT | ES:100% shocks, 42%≤3 shocks, 58% >3 shocks | 78% of ES, 50% for ≤3 shocks, 100% for >3 shocks |
| Exner 12 | Initial Eps: 86% mVT, 14% VF or VT+VF | Eps: 46% shocks, 28% ATP alone, 27% ATP+shocks | NA |
| Verma 23 | Pts: 52% mVT, 48% VF | Pts: 100% shocks (median 5, range 2‐43) | NA |
| Stuber 16 | ES: 93% mVT, 7% pVT | ES: 50% ATP alone,19% ATP + shocks, 31% shocks alone | 19% of eps |
| Hohnloser 20 | ES: 91% mVT, 8% mVT+VF, 1% VF | Eps: 70% ATP alone, 23% ATP + shocks, 7% shocks alone | 55% of pts (82% of pts in emergency room) |
| Brigadeau 39 | ES: 90% mVT, 8% VF, 2% pVT | NA | NA |
| Gatzoulis 40 | NA | ES: 21 ± 33 ATP and 8 ± 4 shocks | 29/32 pts (91%) |
ATP = antitachycardia pacing; Eps = episodes; ES = electrical storm, mVT = monomorphic ventricular tachycardia; pts = patients; pVT = polymorphic ventricular tachycardia; VF = ventricular fibrillation.