A service-based software architecture for enabling the electronic health record storage using Blockchain. (19th June 2021)

• Record Type: Journal Article
• Authors: Lima, Ítalo; Araújo, André; Souza, Rychard; Couto, Henrique; Times, Valéria
• Is Part Of: International journal of computer applications technology. Volume 65:Number 3(2021)
• Page Start: 222
• Page End: 234
• Publication Date: 2021-06-19
• Subjects: health information systems -- Blockchain -- software architecture -- electronic health record; Technology -- Data processing -- Periodicals; 620.00285
• Languages: English
• ISSNs: 0952-8091

Abstract

The healthcare sector requires computational solutions with reliable authenticity features for the storage and retrieval of electronic health record data. To address this important issue, this article proposes a service-based software architecture to extract data from different legacy databases, standardise the patient's clinical data requirements and store data using different Blockchain technologies. To achieve this, a software architecture has been designed to guarantee the independence of data storage technology. In addition, a data meta-schema and a set of mapping rules have been specified to store and organise clinical data following an international health standard. To validate the solution presented, the real world scenario of a Brazilian healthcare institution has been used to evaluate the data extraction, standardisation and storage capabilities in two Blockchain platforms widely used in the information technology market.