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Small area variations in out-of-hospital cardiac arrest: does the neighborhood matter?

. 2010 Jul 6;153(1):19-22. doi: 10.7326/0003-4819-153-1-201007060-00255. Epub 2010 Jun 1. Small area variations in out-of-hospital cardiac arrest: does the neighborhood matter?

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Small area variations in out-of-hospital cardiac arrest: does the neighborhood matter?

Comilla Sasson et al. Ann Intern Med. 2010.

. 2010 Jul 6;153(1):19-22. doi: 10.7326/0003-4819-153-1-201007060-00255. Epub 2010 Jun 1. Affiliation

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Abstract

Background: The incidence and outcomes of out-of-hospital cardiac arrest vary widely across cities. It is unknown whether similar differences exist at the neighborhood level.

Objective: To determine the extent to which neighborhoods have persistently high rates of cardiac arrest but low rates of bystander cardiopulmonary resuscitation (CPR).

Design: Multilevel Poisson regression of 1108 cardiac arrests from 161 census tracts as captured by the Cardiac Arrest Registry to Enhance Survival (CARES).

Setting: Fulton County, Georgia, between 1 October 2005 to 30 November 2008.

Measurements: Incidence of cardiac arrest, by census tract and year and by rates of bystander CPR.

Results: Adjusted rates of cardiac arrest varied across neighborhoods (interquartile range [IQR], 0.57 to 0.73 per 1000 persons; mean, 0.64 per 1000 persons [SD, 0.11]) but were stable from year to year (intraclass correlation, 0.36 [95% CI, 0.26 to 0.50]; P < 0.001). Adjusted bystander CPR rates also varied by census tract (IQR, 19% to 29%; mean, 25% [SD, 10%]).

Limitation: Analysis was based on data from a single county.

Conclusion: Surveillance data can identify neighborhoods with a persistently high incidence of cardiac arrest and low rates of bystander CPR. These neighborhoods are promising targets for community-based interventions.

Primary funding source: Robert Wood Johnson Foundation Clinical Scholars Program, National Institutes of Health, and Centers for Disease Control and Prevention.

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Figures

Figure 1

Cardiac Arrest Events Across the…

Figure 1

Cardiac Arrest Events Across the Three-Year Time Period

Figure 1

Cardiac Arrest Events Across the Three-Year Time Period

Figure 2

Adjusted Incidence and CPR Rates…

Figure 2

Adjusted Incidence and CPR Rates by Census Tract in Fulton County, Georgia

Figure 2

Adjusted Incidence and CPR Rates by Census Tract in Fulton County, Georgia

Similar articles Cited by References
    1. Sasson CRM, Dahl J, Kellermann AK. Predictors of Survival following an Out-of-Hospital Cardiac Arrest: A Systematic Review and Meta-Analysis. Circ Cardiovasc Qual Outcomes. 2009 doi: 10.1161/CIRCOUTCOMES.109.889576. Published online Nov. 10, 2009. - DOI - PubMed
    1. Rosamond W, Flegal K, Furie K, et al. Heart disease and stroke statistics--2008 update: a report from the American Heart Association Statistics Committee and Stroke Statistics Subcommittee. Circulation. 2008;117(4):e25–146. - PubMed
    1. Eisenberg MS, Mengert TJ. Cardiac resuscitation. N Engl J Med. 2001;344(17):1304–1313. - PubMed
    1. Nichol G, Thomas E, Callaway CW, et al. Regional variation in out-of-hospital cardiac arrest incidence and outcome. JAMA. 2008;300(12):1423–31. - PMC - PubMed
    1. McNally B, Stokes A, Crouch A, Kellermann AL. CARES: Cardiac Arrest Registry to Enhance Survival. Ann Emerg Med. 2009 - PubMed

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