Abstract
Healthcare record sharing among various medical roles is a critical and challenging research problem especially in today’s everchanging global IT solutions. The emergence of blockchain as a new enabling technology brought radical changes to numerous business applications, including healthcare. Blockchain is a trusted distributed ledger that forms a decentral-ized infrastructure. There have been several proposals regarding the sharing of critical healthcare records over blockchain infras-tructure without requiring prior knowledge/trust of the parties involved (patients, service providers, and insurance companies). Another yet important issue is to securely share medical records across various countries for travelling patients to ensure an integrated and ubiquitous healthcare service. In this paper, we present a globally integrated healthcare record sharing architec-ture based on blockchain and HL7 client. Healthcare records are stored at the hosting country and are not stored on the blockchain. This architecture avails medical records of travelling patients temporarily and after performing necessary authentication. The actual authorisation process is performed on a federated identity management system, such as, the Shibboleth. Though there are similarities with identity management systems, our system is unique as it involves the patient in the permission process and discloses to them the identities of entities accessed their health records. Our solution also improves performance and guarantees privacy and security through the use of blockchain and identity management system.
Highlights
Healthcare record sharing systems (HRS) achieved significant maturity in the past couple of decades
Many reports exist in the literature regarding healthcare record sharing system
Some are healthcare record sharing systems employing an orderexecute architecture known as public blockchain while some of them are execute-order architectures
Summary
Healthcare record sharing systems (HRS) achieved significant maturity in the past couple of decades. One of the critical issues we address in this research emerges from the fact that an attempt to integrate an FIDM and an HL7 system is that, once authorized to access an EHR, user activities will not be traceable An example of this is when a patient visits a clinic/hospital that he/she is not registered in. Since the clinic is part of the federation, it is allowed to access a EHR of that patient after authorization by an identity provider (IdP). The remote service provider will be able to retrieve patient’s EHR from his/her local database, while preventing tampering to those records. Paper Organization: In this paper we present a framework for global healthcare record retrieval by fusing FIdM, HL7, and Blockchain technologies for the purpose of achieving secure, standardized and tamper free transactions.
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