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- W2080706989 abstract "Chest compressions before initial defibrillation attempts have been shown to increase successful defibrillation. This animal study was designed to assess whether ventricular fibrillation mean frequency after 90 s of basic life support cardiopulmonary resuscitation (CPR) may be used as an indicator of coronary perfusion and mean arterial pressure during CPR.After 4 min of ventricular fibrillation cardiac arrest in a porcine model, CPR was performed manually for 3 min. Mean ventricular fibrillation frequency and amplitude, together with coronary perfusion and mean arterial pressure were measured before initiation of chest compressions, and after 90 s and 3 min of basic life support CPR. Increases in fibrillation mean frequency correlated with increases in coronary perfusion and mean arterial pressure after both 90 s (R=0.77, P<0.0001, n=30; R=0.75, P<0.0001, n=30, respectively) and 3 min (R=0.61, P<0.001, n=30; R=0.78, P<0.0001, n=30, respectively) of basic life support CPR. Increases in fibrillation mean amplitude correlated with increases in mean arterial pressure after both 90 s (R=0.46, P<0.01; n=30) and 3 min (R=0.42, P<0.05, n=30) of CPR. Correlation between fibrillation mean amplitude and coronary perfusion pressure was not significant both at 90 s and 3 min of CPR.In this porcine laboratory model, 90 s and 3 min of CPR improved ventricular fibrillation mean frequency, which correlated positively with coronary perfusion pressure, and mean arterial pressure." @default.
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- W2080706989 date "2001-11-01" @default.
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- W2080706989 title "The beneficial effect of basic life support on ventricular fibrillation mean frequency and coronary perfusion pressure" @default.
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- W2080706989 doi "https://doi.org/10.1016/s0300-9572(01)00388-4" @default.
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