一个支持疫苗产品开发的患者安全知识图表
Andrew M Simms1, Anshul Kanakia2, Muhammad Sipra2
1Biomedical Informatics and Medical Education, University of Washington, Seattle, Washington, USA. amsimms@uw.edu.
BMC medical informatics and decision making
|January 4, 2024
概括
患者安全知识图 (PSKG) 有效地管理大量的COVID-19疫苗不良事件数据,使得更快,更有效的安全监测. 这种知识图的方法大大简化了对关键公共卫生洞察力的数据分析.
科学领域:
- 药监和药物安全 药监和药物安全
- 数据科学和知识表示数据科学和知识表示
- 公共卫生监督 公共卫生监督
背景情况:
- 根据COVID-19疫苗的不良事件数据,由于表征的多样性和前所未有的数量,出现了挑战.
- 需要一个强大的数据存储器来容纳和协调这些大规模的监控数据.
- 患者安全知识图 (PSKG) 是为了应对这些挑战而开发的.
研究的目的:
- 详细说明开发和实施使用公共数据源进行COVID-19疫苗监测的营销后安全系统.
- 为了证明知识图在管理和分析复杂,大量不良事件数据中的实用性.
- 支持及时响应卫生当局关于疫苗安全问题的询问.
主要方法:
- 设计了一个语义模型来表示关键的安全概念和集成的公共数据源.
- 开发了一个提取-转换-载荷 (ETL) 管道,用于数据解析,对齐 (例如疫苗名称) 和质量控制.
- 利用监管活动医学词典 (MedDRA) 并将PSKG部署到具有API访问的Neo4J图形数据库中.
主要成果:
- 来自250个国家的摄入和对齐不良事件和疫苗暴露数据,创建了一个图形,超过430万个节点和3050万个边缘.
- 能够对广泛使用的COVID-19疫苗进行临时分析和定期报告.
- 使用PSKG的分析代码比传统的Python实现要短80%,速度快200倍以上.
结论:
- 在知识图中组织安全数据通过集中数据解析和转换来简化分析.
- PSKG改变了回答科学和医学问题的方法,允许快速代和响应不断变化的请求.
- 该系统增强了基于特定不良事件和地理数据快速评估疫苗安全概况的能力.
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