Key result
In a porcine model of prolonged ventricular fibrillation, preshock pause duration was positively correlated with maximum coronary perfusion pressure for the first rescue shock (r = 0.548, p < 0.001).
Why the study?
Does preshock pause duration affect coronary perfusion pressure decay and rescue shock outcome in a porcine model of ventricular fibrillation?
Population
120 swine with electrically induced ventricular fibrillation (VF) undergoing standardized resuscitation
Design
Preclinical
Authors
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Longer preshock pauses may raise initial CPP in porcine VF; leaves open translation to defibrillation success or human resuscitation.
Observational (n=120)
Does preshock pause duration affect coronary perfusion pressure decay and rescue shock outcome in a porcine model of ventricular fibrillation?
Effect estimate: r = 0.548
p-value: p=<0.001
In a porcine model of prolonged ventricular fibrillation, coronary perfusion pressure drops precipitously during the preshock pause, but this does not adversely affect rescue shock outcomes.
Mader et al. (2009) conducted an observational in Ventricular fibrillation (n=120). Preshock pause was evaluated on Coronary perfusion pressure and rescue shock outcome (return of spontaneous circulation) (r = 0.548, p=<0.001). In a porcine model of prolonged ventricular fibrillation, preshock pause duration was positively correlated with maximum coronary perfusion pressure for the first rescue shock (r = 0.548, p < 0.001).
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