• J C Fedoruk, Wayne L Currie, and Meikel Gobet.
• Essex Kent Base Hospital Centre, Hotel Dieu, Grace Hospital, Windsor, Ontario, Canada.
• Prehosp Disaster Med. 2002 Oct 1; 17 (4): 202-5.

BackgroundThe purpose of this study was to describe the regional locations of cardiac arrest, and to identify public locations and the annual incidence of arrests within the identified locations, in order to help to determine optimal placement of Automatic External Defibrillators (AEDs) under the regional Public Access Defibrillation (PAD) Program. This is a retrospective study.MethodsThe locations of cardiac arrest were abstracted from Ambulance Call Reports (ACRs) collected by the Essex-Kent Base Hospital Centre from regional ambulance services throughout the City of Windsor, and the Counties of Essex and Kent, Ontario, Canada, from 01 January 1994 through 31 December 2000. Arrest locations were grouped into five categories, and then the number of public venues was determined. Public Sites were grouped into 28 Public Locations. Also included in the Public Sites were both General Industry and Outdoors categories. Categories identified but excluded from Public Sites were Institutions and Private Residences.ResultsDuring the study, 2,295 arrests occurred, 152 cases were excluded, 2,142 arrests were categorized, (average annual incidence of 306 +/- 50.4 cardiac arrests), 329 (15.4%) of which were in Public Sites. Nineteen public venues had an average of > 1 arrest/year, and nine public venues had an average of < or = 1 arrest/year during the study, period. Calculations of the annual incidence of arrests for each public location were completed.ConclusionsThese findings have significant prehospital emergency cardiac care implications for communities that wish to strengthen/improve their responses to out-of-hospital cardiac arrests. Public Access Defibrillation Programs should identify the site-specific incidence of arrest within their communities in order to provide legitimacy for funding and planning of programs. Training and availability of AEDs will reduce the time to first shock, thus strengthening the chain-of-survival and will save more lives.

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