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[Inpatient cardiac defibrillation: efficacy of bipolar sinusoidal impulse]
V A Vostrikov1, A L Syrkin, P V Kholin
1I. M. Sechenov Moscow Medical Acdemy, ul. Bolshaya Pirogovskaya 2/6, 119881 Moscow, Russia.
Kardiologiia
|December 13, 2003
Summary
Low-energy external defibrillation effectively treats ventricular fibrillation (VF) and ventricular tachycardia (VT). Energies up to 193 J achieved 100% efficacy, with lower doses successful in most cases.
Area of Science:
- Cardiology
- Electrophysiology
- Medical Devices
Context:
- Ventricular fibrillation (VF) and ventricular tachycardia (VT) are life-threatening arrhythmias.
- External defibrillation is a critical intervention for these conditions.
- Optimizing defibrillation energy is crucial for patient outcomes.
Purpose:
- To evaluate the efficacy of low-energy (
- To determine energy requirements for terminating induced, primary, and secondary VF/VT.
- To assess resuscitation success rates in relation to VF duration.
Summary:
- Low-energy external defibrillation demonstrated high efficacy in 76 patients with VF/VT.
- Maximal effective energies were 90 J for induced/primary VF/VT and 165-193 J for secondary VF.
- Overall defibrillation efficacy reached 92% at
- Resuscitation success was 82% for primary VF and 68% for secondary VF.
- VF duration >30 seconds reduced the effectiveness of lower energy discharges.
Impact:
- Low-energy defibrillation is a safe and effective treatment for VF and VT.
- Findings support the use of optimized energy levels for external cardiac defibrillation.
- This research contributes to improved resuscitation protocols and patient survival rates.