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June 14, 2026Resuscitation PlusOpen Access

Leveraging Primary Healthcare Institutions for the Deployment of Automated External Defibrillators: A Geospatial Optimization Analysis in Deyang, China

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Authors

SLSheng LiuCLChunyan LiaoY(Yi Yang (116183)

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Overview

Randomized trial evaluates optimized AED placement strategies in Deyang, suggesting improved cardiac arrest response efficiency.

Key Points

  • To evaluate the spatial patterns of out-of-hospital cardiac arrest and optimize AED placements in Deyang, China.
  • Analyzed 3,273 OHCA cases from 2021-2023 and existing AED distributions.
  • Utilized Global/Local Moran’s I and Getis-Ord Gi* for spatial analysis.
  • Developed a network analysis model using the Ga2SFCA and MCLP methods for optimization under two scenarios.
  • OHCA incidents peaked in morning hours and public holidays, with significant temporal variations.
  • Spatial clustering increased significantly from 2021 to 2023 (Moran’s I: 0.38 to 0.49, P <0.01).
  • Achieving over 50% AED coverage required 100 additional units in redistribution versus 200 in incremental expansion.

Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/6a2e4524b1cc60ccdea8a5a5https://doi.org/10.1016/j.resplu.2026.101369
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Assessing the spatial alignment between AED supply and spatiotemporal cardiac arrest risk in Beijing: a multi-source geospatial analysis2026
  2. 2Optimizing automated external defibrillator deployment within the walking golden window for out-of-hospital cardiac arrest cases: a case study from a Chinese city2025 · 3 citations
  3. 3Spatial equity in the allocation of lifesaving resources: a cross-sectional spatial evaluation of automated external defibrillators in four first-tier Chinese cities.2026
  4. 4A location analysis and modelling approach for optimising public access to an automated external defibrillator network2026
  5. 5Identifying Key Factors and Strategies for Optimizing Automated External Defibrillator Deployment in China2024 · 1 citations