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目的利用计算机仿真技术,模拟不同条件下应急医疗救援过程,优化救援策略与资源配置。方法首先根据伤员到达与伤情特征,制定4种备选策略并逐一对其进行模拟研究;之后通过伤员等待时间与救治单元工作强度确定最优策略;最后,通过模拟分析伤员到达率与救治单元数量之间的关系,对救治策略与救援力量配置提出合理化建议。结果采用先离开先服务与“选组策略”能够有效减少伤员等待时间与救治人员工作强度;当紧急(非紧急)类伤员到达率增加时,在满足伤员救治要求的前提下,总的救治单元数量同步增加,其中紧急(非紧急)类救治单元数量增加较快。结论通过模拟不同策略下的应急医疗救援过程,确定了最优救治策略;救治单元数量与伤员到达率密切相关,通过估算伤员到达率与平均救治时间,可为救援力量配置提供定量参考。
Objective To use computer simulation technology to simulate the emergency medical rescue process under different conditions and optimize the rescue strategy and resource allocation. Methods According to the characteristics of casualty arrival and injury, four strategies were developed and simulated one by one. After that, the optimal strategy was determined by the waiting time of wounded and the working intensity of treatment unit. Finally, The relationship between the number of rescue strategies and rescue forces put forward reasonable suggestions. The results of the first to leave the service and “group strategy ” can effectively reduce the wounded waiting time and rescue workers working intensity; when the emergency (non-emergency) type of arrival rate of the injured increased, to meet the requirements of the treatment of the wounded, the total The number of treatment units increased synchronously, of which the number of emergency (non-emergency) treatment units increased rapidly. Conclusions The optimal rescue strategy is determined by simulating the emergency medical rescue process under different strategies. The number of rescue units is closely related to the arrival rate of the injured. Estimation of the arrival rate of the injured and the average rescue time may provide a quantitative reference for the deployment of rescue forces.