优化除器部署与安装在公共汽车上的自动化外部除器
Hongmei Li1, Ying Wu1, Taibo Luo2
1School of Economics and Management, Northwest University, Xi'an, P. R. China.
Prehospital emergency care
|August 14, 2024
概括
结合固定式和装在公共汽车上的自动外部除器 (AED),显著改善了医院外心脏骤停 (OHCA) 事件的覆盖范围. 当AED资源有限时,这种策略特别有效,提高了生存率.
科学领域:
- 公共卫生 公共卫生
- 紧急医疗服务 紧急医疗服务
- 运营研究 运营研究
背景情况:
- 早期除对于医院外心脏骤停 (OHCA) 的生存至关重要.
- 固定式自动外部除器 (S-AEDs) 的覆盖范围有限.
- 安装在公共汽车上的自动化外部除器 (B-AEDs) 提供更广泛的覆盖范围,但具有操作时间限制.
研究的目的:
- 为部署S-AED和B-AED开发一个优化的模型.
- 为了最大限度地提高OHCA事件的需求点的总覆盖水平.
- 为了确定B-AED和S-AED的最佳数量和放置,给定了设备的固定总数.
主要方法:
- 根据p-中位数问题 (JPMP) 提出了B-AED和S-AED的联合位置模型.
- 利用来自中国安市安区的数据进行部署分析.
- 将JPMP性能与其他位置模型进行比较,并分析了覆盖范围的影响.
主要成果:
- 根据JPMP模型,覆盖的需求点平均增加了98.43%,总覆盖水平增加了74.05%.
- 最佳的B-AED覆盖率与可用的AED数量呈现出一个反转的U形关系.
- 通过特定的巴士出发间隔,最大限度地覆盖总覆盖范围,随着AED可用性增加,这些间隔会减少.
结论:
- 联合部署S-AED和B-AED显著提高了OHCA的覆盖范围.
- 当AED数量不足时,强烈建议使用B-AED.
- 对S-AED和B-AED的最佳放置可以提高公共安全结果.
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