联邦电子健康记录使用区块链
John Chelsom1, Luis Marco-Ruiz2, Øivind Skeidsvoll Solvang2,3
1Fordham University, New York, USA.
Studies in health technology and informatics
|August 23, 2024
概括
瓦尔基里项目为挪威的心理健康创建了一个安全的联邦电子健康记录. 该系统使用加密令牌和安全域来提供实时的患者数据访问,这些数据在会话后被销毁.
科学领域:
- 医疗信息学 医疗信息学
- 信息安全 信息安全
- 数字健康数字健康
背景情况:
- 现有的电子健康记录往往在初级和中等保健中分离.
- 在系统之间安全共享敏感的心理健康数据存在重大挑战.
- 对临床医生来说,对患者信息的统一,实时视图的需求至关重要.
研究的目的:
- 为挪威的精神卫生从业者开发和演示一个联邦电子健康记录 (FEHR) 系统.
- 设计一个安全的架构来访问和汇总来自异质来源的患者数据.
- 通过加密令牌和特定域的访问控制来确保患者数据的隐私和安全.
主要方法:
- 瓦尔基里项目采用了一个架构,其中有相互连接的安全域,每个域都有独特的加密密钥.
- 对于每个医疗保健事件,生成加密令牌,包含元数据,临床代码和源系统定位器.
- 代币通过安全域顺序处理,每个域只能访问其功能所需的信息.
主要成果:
- 瓦尔基里系统可以实时检索和查看来自不同源系统 (基于ISO13606和openEHR) 的患者记录.
- 一个安全的"Valkyrie Session"可以暂时访问汇总的患者数据.
- 在会话期间访问的数据在会话结束时会自动销毁,从而增强隐私.
结论:
- 瓦尔基里项目成功地展示了一种安全和保护隐私的方法,用于精神卫生保健中的联合电子健康记录.
- 该架构确保敏感的患者信息可以安全地访问,并且只能在所需的时间内访问.
- 这种方法提供了一个可扩展的解决方案,用于整合不同的健康数据源,以改善临床决策.
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