Abstract
Automated external defibrillators (AEDs) are portable devices that defibrillate and diagnose sudden-cardiac-arrest patients. Therefore, AEDs are widely installed in public places such as airports, schools, sport complexes, etc., and the installation of AEDs is required by law in these places. However, despite their usefulness, AEDs are mostly installed indoors with limited coverage outdoors. Hence, this study conducts research in the placement of AEDs in outdoor locations. This study considers a complicated urban environment using a pedestrian network dataset and network barriers. We draw on the Teitz and Bart’s (1968) heuristic method that was built in the location-allocation solver in ArcMap. The results of this study found that a total of 455 AEDs, including 227 pre-installed AEDs, could be placed in the study area, thus providing an additional 228 devices. Compared with 10 different installation methods that were set as experimental groups, our test results found that additional installations were able to cover 10% to 30% more actual out-of-hospital cardiac-arrest cases. The main contribution of this study is the proposal of a new method in locating AEDs in optimal areas while considering complicated urban environments. We predict that the cardiac-arrest-related mortality rate would be reduced through implementing the findings of this study.
Highlights
The number of patients with cardiovascular diseases and who have suffered from acute cardiac arrest increases every year due to the rapid population-aging phenomenon
The survival rate of patients with acute cardiac arrest is closely related to first-aid [7], which is important in increasing the survival rates
The bystander cardiopulmonary resuscitation (CPR) rate in South Korea is low because people worry about harming others by performing inadequate CPR [8,9]
Summary
The number of patients with cardiovascular diseases and who have suffered from acute cardiac arrest increases every year due to the rapid population-aging phenomenon. The survival rate of patients with acute cardiac arrest is closely related to first-aid [7], which is important in increasing the survival rates. Despite this fact, the bystander CPR rate in South Korea is low because people worry about harming others by performing inadequate CPR [8,9]. The bystander CPR rate in South Korea is low because people worry about harming others by performing inadequate CPR [8,9] In this case, the patients have no other choice but to wait for emergency medical service (EMS) to come. Because of the various reasons mentioned above, the survival rate of out-of-hospital-cardiac-arrest (OHCA) patients remains at approximately 3% [9]
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