Abstract P172: What Facilities Reserve Public Access Defibrillation Programs? A Suvey from a Japanese Metropolis
Previous reports have described several facility categories as important locations for public access defibrillation (PAD) program. However, in decision-making process as to what specific facilities may deserve PAD programs, each facility needs to estimate the number of shockable cardiac arrest (CA). Such estimation depends not only on the expected number of visitors/workers but also on the profile of the visitors/workers, which may vary among types of facilities.
[Methods] Nagoya City has a population of 2.2 million with ~2,000 CA annually. Locations of CA were abstracted from data collected by Nagoya FD from 2003 through 2007. Types of public facilities were tallied and grouped into 36 categories consistent with Ordinance for Enforcement of Fire Service Act, and the number of CA within each category was determined. Data on the number of visitors/workers in each category were collected from governmental databases on metropolitan statistics. The incidence rate was calculated as numbers of all CA and CA with VF per 1 billion person.year.
[Results] In 8 location categories, the databases for CA and the database for numbers of visitors/workers coincided in the categorization rules of the locations. The incidence rates are shows in the table⇓.
[Discussion] The incidence rate of shockable CA varies substantially among the location categories, presumably reflecting the variations of age distribution, average length of stay and intensity of physical activities of people who gather there. Schools (teachers) and factories have the highest incidence of shockable CA. However, our data may indicate that a school with small numbers of workers (teachers) may have a low priority of a PAD program. On the contrary, a station with low incidence rate of 0.05 may be a preferred target of a PAD program if a large number of travelers are expected to pass through. Thus our study provides fundamental data to detect important and cost-effective target locations of a PAD program.