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Blockchain Technology for Electronic Health Records.

Yujin Han¹, Yawei Zhang², Sten H Vermund³

¹Department of Biostatistics, Yale School of Public Health, Yale University, New Haven, CT 06510, USA.

International Journal of Environmental Research and Public Health

|December 11, 2022

Summary

Blockchain technology offers solutions for electronic health records (EHRs) by improving interoperability and privacy. However, challenges remain in data management, access fairness, and trust, requiring further research for equitable and sustainable healthcare systems.

Keywords:

blockchain electronic health records interoperability privacy

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Area of Science:

Health Informatics
Computer Science
Data Science
Ethics

Background:

Electronic Health Records (EHRs) offer efficiency and security over paper records but suffer from poor interoperability and unresolved privacy concerns.
Blockchain technology, a distributed ledger protocol, presents a potential solution to enhance EHR interoperability and privacy protection.

Purpose of the Study:

To define EHRs and blockchain technology.
To introduce blockchain-based schemes for strengthening EHR interoperability and privacy.
To review current challenges and suggest future research directions for blockchain-based EHRs.

Main Methods:

Review and definition of EHRs and blockchain technology.
Introduction and analysis of existing blockchain-based EHR schemes.
Discussion of ongoing challenges including data management efficiency, access fairness, and system trust.

Main Results:

Blockchain technology shows promise in addressing EHR interoperability and privacy issues.
Several blockchain-based schemes have been proposed to improve EHR systems.
Significant challenges persist in efficient data management, equitable access, and building trust in blockchain EHR systems.

Conclusions:

Blockchain-based EHRs require further research in health informatics, data sciences, and ethics.
Future developments must consider the environmental impact (carbon footprint) and potential for healthcare resource inequality.
Addressing potential distrust among patients and providers is crucial for the successful adoption of blockchain in healthcare.