The challenges and possibilities of public access defibrillation

Ringh, Mattias; Hollenberg, Jacob; Palsgaard-Moeller, T.; Svensson, Leif; Rosenqvist, Mårten; Lippert, Freddy; Wissenberg, Mads; Hansen, Carolina Malta; Claesson, Andreas; Viereck, Søren; Zijlstra, Jolande A.; Koster, Rudolph W.; Herlitz, Johan; Blom, Marieke T.; Kramer‐Johansen, Jo; Tan, Hanno L.; Beesems, Stefanie G.; Hulleman, Michiel; Olasveengen, Theresa M.; Folke, Fredrik

doi:10.1111/joim.12730

Cited by 62 publications

(43 citation statements)

References 98 publications

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“…Furthermore, they suggest locating an AED at distances which can be covered on foot in 1.5 min by any layperson. This distance amounts to approximately 100 m. 14,15 Moreover, more recently, it was reported that the likelihood of bystander defibrillation is higher when the closest AED is within 100 m 16 and that the 30-day survival rate may be significantly impacted by the accessibility or nonaccessibility of an AED. 17 Consistent with literature, our study shows that about threequarters of all OHCAs occurred at home, where on-site AEDs are rarely available.…”

Section: Discussionmentioning

confidence: 99%

Real-life time and distance covered by lay first responders alerted by means of smartphone-application: Implications for early initiation of cardiopulmonary resuscitation and access to automatic external defibrillators

Auricchio

Gianquintieri

Burkart³

et al. 2019

Resuscitation

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Aim of the Study: To investigate the distance covered by lay first responders (LFR) alerted for an out-of-hospital cardiac arrest (OHCA), evaluate the time elapsed between mission acceptance and arrival at the OHCA site, as well as the distance between the LFRs to the closest automatic external defibrillator (AED). Methods: The LFR route, thus time, distance information, and the average speed of each responder were estimated. The same methodology was used to calculate the distance between the closest AED and the LFRs, as well as the distance between the AED and OHCA site.

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Section: Discussionmentioning

confidence: 99%

Real-life time and distance covered by lay first responders alerted by means of smartphone-application: Implications for early initiation of cardiopulmonary resuscitation and access to automatic external defibrillators

Auricchio

Gianquintieri

Burkart³

et al. 2019

Resuscitation

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“…This fact is interesting in the national context due to the large and systematically placement of publicly accessible AED's in Denmark and the relatively rare use of AEDs by laypersons. 30,31 Further, we see how teaching recognition of agonal gasps is challenging for instructors during courses and is an item that shows significant variation among courses. Similar results have been shown by Wagner et al 21 Our data clearly show the variation in the same skills was insufficient in the courses, notably AED usage and compression parameters.…”

Section: Discussionmentioning

confidence: 99%

A nationwide investigation of CPR courses, books, and skill retention

et al. 2019

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Introduction: Survival from Out-of-Hospital Cardiac Arrest is highly associated with bystander cardiopulmonary resuscitation. The quality of bystander CPR is influenced by citizens attending Basic Life Support (BLS) courses and the quality of these courses. The purpose of the study was to investigate content, quality and compliance with the European Resuscitation Council (ERC) guidelines in national Danish BLS courses and the skill retention. Methods: Books from 16 different course providers were analyzed for compliance with guidelines using the principle of mutually exclusive and collectively exhaustive questioning. Observation of 56 BLS courses were conducted using an evaluation sheet, with a five-point Likert scale including theoretical, technical, and non-technical skills. BLS skills of participants were assessed with a follow-up test 4-6 months after a course using a modified Cardiff Test. Results: Analysis of the books, showed compliance with ERC guidelines of 69% on the examined items. Courses using ERC educational structure and having maximum six participants per instructor were associated with high quality in the course observations and a better follow-up test. Especially, the use of automated external defibrillator showed significant odds ratio (OR) of 21.8 (95% CI 4.1-114.7) to 31.3 (95% CI 3.7-265.1) of achieving high quality on courses with similar results in the follow-up test. Conclusion: National BLS courses had significant variation in the content of books, and compliance to ERC guidelines during courses and in skills retention 4-6 months after the courses. This study can be used to further improve and standardize BLS courses.

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“…We hypothesized that, despite being realistic areas more representative of the real-world scenario, it is not always possible to compute catchment areas with the realistic approach, and, therefore, circular areas could in some cases be preferable, depending on the topology of the considered territory. To verify this hypothesis, we used an open source GIS, specifically QGIS, that is the tool identified by literature as the most suitable in performing studies about PAD programs (Chan 2013, Folke 2009, Ringh 2018. Accordingly, our aim was to implement the mapping of catchment areas with the realistic approach and to compare them with the circular ones.…”

Section: Hypothesis and Aimmentioning

confidence: 99%

Open Data in Health-Geomatics: Mapping and Evaluating Publicly Accessible Defibrillators

Gianquintieri

Caiani

Brambilla

et al. 2019

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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Abstract. To address the study of the deployment of publicly accessible Automated External Defibrillators (AED), Geomatics allows computing their limited area of effectiveness (i.e. ‘catchment area’, CA), traditionally set as circular surfaces with a 100m-radius. Exploiting open geospatial data related to roads network, also ‘realistic’ CAs, based on the effective walking distance, can be computed. Aim of this study (performed on the territory of Lombardy, Italy, total surface 23,863.65 km2, with open source software as QGIS, PostGIS, pgRouting) was to compare the two approaches, and to evaluate if the territory analysis could support case-by-case decision-making about the preferable mapping technique.Setting a limit of 200&thinsp;m, realistic CAs were computed for 7702 known AEDs on the territory (at 28/02/2018). The mean area obtained resulted close to that of the traditional 100m-radius circular area (33,665m2 against 31,415m2), but the spatial coverage of 45043 OHCAs - Out-of-Hospital Cardiac Arrests (Lombardy, 1/1/2015 to 31/12/2018) is very different considering realistic or circular areas (15.35% vs 9.43%). The distribution of the mapping error (realistic-CA – circular-CA) and the computation failures of realistic areas were studied and correlated with the characteristics of the surrounding territory considering attributes related to streets, buildings, and land-use, computing linear correlation coefficients and performing Mann-Whitney U-tests. Results suggest that realistic CAs are not always correctly computable and circular areas are preferable when AEDs are far from the streets in less urbanized and more uniform territories. An automatized decision-making about the best case-by-case mapping technique is therefore feasible with open data and open source software.

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The challenges and possibilities of public access defibrillation

Cited by 62 publications

References 98 publications

Real-life time and distance covered by lay first responders alerted by means of smartphone-application: Implications for early initiation of cardiopulmonary resuscitation and access to automatic external defibrillators

Real-life time and distance covered by lay first responders alerted by means of smartphone-application: Implications for early initiation of cardiopulmonary resuscitation and access to automatic external defibrillators

A nationwide investigation of CPR courses, books, and skill retention

Open Data in Health-Geomatics: Mapping and Evaluating Publicly Accessible Defibrillators

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