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Medical News and Perspectives |

Longer Pauses Between CPR Compressions and Defibrillation May Decrease Survival

Mike Mitka
JAMA. 2011;306(8):813-814. doi:10.1001/jama.2011.1195.
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Researchers are looking at specific components of cardiopulmonary resuscitation (CPR) to determine why resuscitation for out-of-hospital cardiac arrest continues to have a low success rate.

New research suggests decreasing the preshock interval, the period between performing chest compressions during CPR and defibrillation, may help improve resuscitation rates. Researchers with the Resuscitation Outcomes Consortium, a clinical trial network focusing on research in the area of out-of-hospital cardiopulmonary arrest and severe traumatic injury, found that longer preshock periods were associated with decreased likelihood of survival to hospital discharge (Cheskes S et al. Circulation. 2011;124[1]:58-66).

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Researchers are looking at shortening the interval between chest compressions and shock from defibrillation to improve outcomes of people with out-of-hospital cardiac arrest.

(Photo credit: Mutlu Kurtbas/iStockphoto.com)

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