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In 2005, Arizona initiated a multifaceted public education program promoting compression-only bystander cardiopulmonary resuscitation (CPR) that included direct training of more than 30,000 people and a media campaign. In a prospective, observational cohort study of adults (≥18 years) with out-of-hospital cardiac arrest in Arizona from 2005 through 2009, researchers compared survival in those who received conventional bystander CPR with survival in those who received compression-only bystander CPR.
Of 4415 patients (67% men; mean age, 65), 66% received no CPR, 15% received conventional CPR, and 19% received compression-only CPR. The rate of bystander CPR increased significantly from 28% in 2005 to 40% in 2009, and the proportion of CPR that …