People who experience a sudden cardiac arrest and receive hands-only CPR are more likely to survive than those who receive mouth-to-mouth CPR or no CPR at all, according to an Arizona study. The study also found that awareness of hands-only CPR increased after implementation of a five-year statewide education campaign that officially endorsed and encouraged chest compression-only CPR in Arizona.
Knowledge and awareness of hands-only CPR increases the likelihood that a bystander will perform CPR and that a cardiac arrest victim will survive. Between 2005 and 2009 hands-only CPR increased the rate of bystander CPR (from 28 percent to 40 percent) and increased the likelihood of bystanders performing hands-only CPR instead of mouth-to-mouth CPR (from 20 percent to 76 percent).
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1. Bobrow BJ, Spaite DW, Berg RA, et al. Chest compression-only CPR by lay rescuers and survival from out-of-hospital cardiac arrest. Journal of the American Medical Association 2010; 304(13): 1447-1454. (open access)