Double Sequential External Defibrillation and VC Defibrillation Increase Survival in Cardiac Arrest Patients: Study
Canada: A recent study published in the Resuscitation Journal highlighted the benefits of alternate defibrillation strategies in reducing the duration of ventricular fibrillation (VF) and improving survival rates.
"Double sequential external defibrillation (DSED) and vector change (VC) defibrillation reduced the duration of VF compared to standard shocks (83 & 98 seconds versus 108 seconds, respectively). DSED demonstrated the highest rates of return of spontaneous circulation (17.6% versus 5.3%) and survival to hospital discharge (10.2% versus 3.5%) compared to standard shocks, indicating their potential to improve cardiac arrest outcomes," the researchers reported.
Double sequential external defibrillation, a technique that delivers two defibrillation shocks in quick succession from separate devices, demonstrated the most promising results. Survival following out-of-hospital cardiac arrest (OHCA) is closely linked to the duration of ventricular fibrillation. However, the effect of vector change defibrillation and DSED on VF duration has not been investigated thoroughly. Considering this, Sheldon Cheskes, Institute of Medical Sciences, University of Toronto, Toronto, Ontario, Canada, and colleagues aimed to evaluate the impact of VC and DSED on VF duration and defibrillation effectiveness.
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