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Prehosp Disaster Med. 2013 Aug;28(4):342-7. doi: 10.1017/S1049023X13000411. Epub 2013 May 23.

A poor association between out-of-hospital cardiac arrest location and public automated external defibrillator placement.

Author information

  • 1Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA. levy@jhmi.edu

Abstract

INTRODUCTION:

Much attention has been given to the strategic placement of automated external defibrillators (AEDs). The purpose of this study was to examine the correlation of strategically placed AEDs and the actual location of cardiac arrests.

METHODS:

A retrospective review of data maintained by the Maryland Institute for Emergency Medical Services Systems (MIEMSS), specifically, the Maryland Cardiac Arrest Database and the Maryland AED Registry, was conducted. Location types for AEDs were compared with the locations of out-of-hospital cardiac arrests in Howard County, Maryland. The respective locations were compared using scatter diagrams and r2 statistics.

RESULTS:

The r2 statistics for AED location compared with witnessed cardiac arrest and total cardiac arrests were 0.054 and 0.051 respectively, indicating a weak relationship between the two variables in each case. No AEDs were registered in the three most frequently occurring locations for cardiac arrests (private homes, skilled nursing facilities, assisted living facilities) and no cardiac arrests occurred at the locations where AEDs were most commonly placed (community pools, nongovernment public buildings, schools/educational facilities).

CONCLUSION:

A poor association exists between the location of cardiac arrests and the location of AEDs.

PMID:
23702153
[PubMed - indexed for MEDLINE]
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