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首页> 外文期刊>BMC Medical Informatics and Decision Making >Archetype-based conversion of EHR content models: pilot experience with a regional EHR system
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Archetype-based conversion of EHR content models: pilot experience with a regional EHR system

机译：基于原型的电子病历内容模型转换：区域电子病历系统的试点经验

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Background Exchange of Electronic Health Record (EHR) data between systems from different suppliers is a major challenge. EHR communication based on archetype methodology has been developed by openEHR and CEN/ISO. The experience of using archetypes in deployed EHR systems is quite limited today. Currently deployed EHR systems with large user bases have their own proprietary way of representing clinical content using various models. This study was designed to investigate the feasibility of representing EHR content models from a regional EHR system as openEHR archetypes and inversely to convert archetypes to the proprietary format. Methods The openEHR EHR Reference Model (RM) and Archetype Model (AM) specifications were used. The template model of the Cambio COSMIC, a regional EHR product from Sweden, was analyzed and compared to the openEHR RM and AM. This study was focused on the convertibility of the EHR semantic models. A semantic mapping between the openEHR RM/AM and the COSMIC template model was produced and used as the basis for developing prototype software that performs automated bi-directional conversion between openEHR archetypes and COSMIC templates. Results Automated bi-directional conversion between openEHR archetype format and COSMIC template format has been achieved. Several archetypes from the openEHR Clinical Knowledge Repository have been imported into COSMIC, preserving most of the structural and terminology related constraints. COSMIC templates from a large regional installation were successfully converted into the openEHR archetype format. The conversion from the COSMIC templates into archetype format preserves nearly all structural and semantic definitions of the original content models. A strategy of gradually adding archetype support to legacy EHR systems was formulated in order to allow sharing of clinical content models defined using different formats. Conclusion The openEHR RM and AM are expressive enough to represent the existing clinical content models from the template based EHR system tested and legacy content models can automatically be converted to archetype format for sharing of knowledge. With some limitations, internationally available archetypes could be converted to the legacy EHR models. Archetype support can be added to legacy EHR systems in an incremental way allowing a migration path to interoperability based on standards.
机译：背景来自不同供应商的系统之间交换电子病历（EHR）数据是一项重大挑战。 openEHR和CEN / ISO已开发了基于原型方法的EHR通信。如今，在已部署的EHR系统中使用原型的经验非常有限。当前部署的具有大量用户基础的EHR系统具有自己的专有方式，可以使用各种模型来表示临床内容。本研究旨在调查将区域EHR系统中的EHR内容模型表示为openEHR原型的可行性，以及反过来将原型转换为专有格式的可行性。方法使用openEHR EHR参考模型（RM）和原型模型（AM）规范。分析了来自瑞典的区域EHR产品Cambio COSMIC的模板模型，并将其与openEHR RM和AM进行了比较。这项研究的重点是EHR语义模型的可转换性。生成了openEHR RM / AM和COSMIC模板模型之间的语义映射，并将其用作开发原型软件的基础，该原型软件在openEHR原型和COSMIC模板之间执行自动双向转换。结果已实现openEHR原型格式和COSMIC模板格式之间的自动双向转换。 openEHR临床知识库中的几种原型已导入COSMIC，从而保留了大多数与结构和术语相关的约束。来自大型区域性安装的COSMIC模板已成功转换为openEHR原型格式。从COSMIC模板到原型格式的转换几乎保留了原始内容模型的所有结构和语义定义。为了允许共享使用不同格式定义的临床内容模型，制定了逐渐向原型EHR系统添加原型支持的策略。结论openEHR RM和AM具有足够的表现力，可以从基于模板的EHR系统中代表现有的临床内容模型，并且可以将遗留内容模型自动转换为原型格式以共享知识。由于某些限制，可以将国际上可用的原型转换为旧版EHR模型。原型支持可以以增量方式添加到旧版EHR系统中，从而允许向基于标准的互操作性迁移。

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