目的 分析2009~2024年间国际延时现场救护领域的文献，探究主要研究主题及其发展趋势，以期为未来救护策略提供理论支持。方法 系统检索PubMed、Embase、Web of Science和中国知网等数据库，筛选并纳入283篇相关文献。运用BERTopic主题建模技术对文献进行主题识别和关键词分析，并进行可视化展示。结果 当前研究主要聚焦在“急救策略研究”“智能技术与信息管理”“实战应用”与“政策与理论研究”等4个方面，预测这些领域将持续成为研究热点。结论 国际延时现场救护研究正处于快速发展阶段，建议未来研究深入重点领域，开发有效的救护策略，以提升救治效率和伤员生存率。

Objective To analyze the literature in the field of international prolonged field care from 2009 to 2024,to explore the main research topics and their development trends in order to provide theoretical support for future field care strategies.Methods A systematic search was conducted in databases such as PubMed,EMBASE,Web of Science and CNKI,and 283 relevant articles were included.BERTopic modeling technology was used for topic identification and keyword analysis and the results were visualized.Results The current research primarily focused on four areas:“emergency strategy research”“intelligent technology and information management”“operational application” and “policy and theoretical research”.It was predicted that these areas would continue to be research hotspots.Conclusions Research in the field of international prolonged field care is rapidly developing.Future studies should delve into these key areas and develop effective emergency care strategies to improve treatment efficiency and patient survival rates.

R473.82；R823

军队护理创新与培育专项计划创新项目（2021HL002-01）