Architectural Patterns for Health Information Systems: A Systematic Review
Architecture Patterns for Health Information Systems: A Systematic Review -
Summary
This study systematically reviewed various architectural patterns to address the fragmentation and interoperability challenges in Health Information Systems (HIS) during digital health transformation. It found that microservices and distributed ledgers are predominant, with FHIR-based contracts stabilizing interfaces.
Details
Health Information Systems (HIS) are foundational for digital health ecosystems, but their complexity often leads to fragmentation and poor interoperability across multiple stakeholders. This systematic review analyzed literature from 2020–2025 to assess the application of key architectural patterns—such as service-oriented, microservice, and decentralized ledger architectures—and their alignment with ecosystem requirements. Findings indicate that while microservices dominate current HIS designs, FHIR-based contracts are crucial for stabilizing interfaces and reducing integration costs. However, significant gaps remain in areas like cross-border care, sustainability, and AI integration, emphasizing the need for greater architectural diversity and intersectoral collaboration to build resilient digital health infrastructures.
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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