How to Build a FHIR Server: Achieving Data Interoperability with HAPI FHIR and Azure API for FHIR
How to Build a FHIR Server Using HAPI FHIR or
Summary
FHIR, a standard protocol developed by HL7, enhances healthcare data interoperability. The article explains how implementing a FHIR server centralizes fragmented patient data, enabling secure and structured information sharing.
Key Players
Details
FHIR (Fast Healthcare Interoperability Resources) is a standardized protocol developed by HL7 to solve the challenges of medical data interoperability. Complex data is broken down into standard resources like 'Patient' or 'Observation,' which are exchanged via RESTful APIs. Traditionally, patient data was fragmented and stored in isolated silos across multiple institutions (hospitals, labs, pharmacies), leading to issues such as delayed diagnosis, redundant testing, and operational inefficiency. A FHIR server acts as a 'single source of truth' for this fragmented data. Key capabilities include: structural validation (checking incoming data against standards before acceptance); maintaining complete history (tracking every change immutably); and ensuring security through industry standards like OAuth 2.0 and encryption. Since operating a FHIR server requires specialized skills and continuous vigilance, using managed services—such as the one offered by Microsoft Azure—reduces operational overhead while enabling system construction compliant with strict regulations like HIPAA and GDPR.
Technology Note
FHIR（Fast Healthcare Interoperability Resources）は医療データ交換の国際標準。このエントリの関連技術: FHIR
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