Self-Sovereign Identity (SSI), a Blockchain-based technology for digital identity management, is a promising concept for handling health data. It could represent a step forward in empowering users, granting them control over their data. This work conducts a systematic literature review to investigate state-of-the-art measures based on SSI and Blockchain technologies for dealing with electronic health records (EHRs), identifying gaps, and determining the key questions for future research. As a result, this review shows a growing interest in Blockchain methods to handle EHRs, but few works consider using the self-sovereign identity approaches. The results obtained in this work also suggest that: Blockchain technologies provide a viable alternative to deliver EHR solutions such as patient monitoring, healthcare data trading, and prescription control; consolidated Blockchain technologies are the preferred core components of most effective strategies; keeping raw health data off-chain helps to create scalable solutions; health data standards make searching medical records in Blockchain structures feasible; Smart Contracts are essential components of Blockchain-based EHR solutions; the concepts of data ownership and Self-Sovereign Identity have been neither adequately defined nor employed in the health context.
翻译:自我保密身份(SSI)是处理健康数据的一个很有希望的概念,它代表着在赋予用户权力方面向前迈出的一步,赋予用户对数据的控制;这项工作进行了系统的文献审查,以调查基于SSI和链锁技术的处理电子健康记录的最新措施,找出差距,并确定未来研究的关键问题;结果,这一审查显示对处理电子身份管理的链式方法的兴趣日益增长,但很少人考虑使用自我主权身份方法。 这项工作的结果还表明: 链式技术为提供EHR解决方案提供了可行的替代方法,如病人监测、保健数据交易和处方控制;综合的链式技术是最有效的战略的优先核心组成部分;保持原始健康数据离链式有助于创建可扩展的解决办法; 健康数据标准使得在链式结构中搜索医疗记录成为可行; 智能合同是基于链式电子人力资源解决方案的基本组成部分; 数据所有权和自我保密概念在卫生方面既没有得到充分界定,也没有被采用。