基于区块链的患者在线交流模型

doi:10.11896/jsjkx.210400240

计算机科学 ›› 2021, Vol. 48 ›› Issue (11): 28-35.doi: 10.11896/jsjkx.210400240

基于区块链的患者在线交流模型

陈先来^1,2, 赵晓宇³, 曾工棉³, 安莹^1,2

1 中南大学大数据研究院长沙410083
2 中南大学医疗大数据应用技术国家工程实验室长沙410083
3 中南大学生命科学学院长沙410083

收稿日期:2021-04-22 修回日期:2021-08-04 出版日期:2021-11-15 发布日期:2021-11-10
通讯作者: 安莹(anying@csu.edu.cn)
作者简介:chenxianlai@csu.edu.cn
基金资助:
国家重点研发计划项目(2016YFC0901705)

Online Patient Communication Model Based on Blockchain

CHEN Xian-lai^1,2, ZHAO Xiao-yu³, ZENG Gong-mian³, AN Ying^1,2

1 Big Data Institute,Central South University,Changsha 410083,China
2 National Engineering Laboratory for Medical Big Data Application Technology,Central South University,Changsha 410083,China
3 Life Science College,Central South University,Changsha 410083,China

Received:2021-04-22 Revised:2021-08-04 Online:2021-11-15 Published:2021-11-10
About author:CHEN Xian-lai,born in 1970,Ph.D,professor,Ph.D supervisor.His main research interests include medical data mining and decision support system,and medical big data.
AN Ying,born in 1980,Ph.D,associate professor,master instructor.His main research interests include medical big data analysis,machine learning and its applications.
Supported by:
National Key R & D Program of China (2016YFC0901705).

摘要/Abstract

摘要： 针对目前互联网上虚假信息盛行,患者在互联网上交流时无法保证共享信息真实性的问题,提出了一种基于区块链的患者在线交流模型,患者可以匿名与其他患者共享真实的医疗数据并进行交流。首先,使用患者的数字身份保护隐私,将患者交流所需要的医疗摘要数据上传至区块链,并且公开全部数据以供检索,可以使患者检索到需要的病例而不会定位到具体的患者;其次,为了避免授权人员的恶意上传行为,设定智能合约对数据上传进行多重身份认证,医生和患者相互制约,保证链上数据全部真实可靠;最后,改进的RAFT共识算法可以快速识别拜占庭节点从而更好地使区块链达成共识。通过实验对模型性能进行评估,结果表明该模型在保证患者隐私的前提下,可以进行医疗数据的共享,满足患者在线交流需求。

关键词: 共识机制, 患者交流, 区块链, 医疗数据共享, 智能合约

Abstract: At present,false information is prevalent on the Internet,and the authenticity of shared information cannot be guaranteed when patients communicate on the Internet.In order to solve this problem,a blockchain-based online patient communication model is proposed,and patients can anonymously share real medical data and communicate with other patients.Firstly,the patient's digital identity is used to protect privacy,the medical summary data needed for patient communication are uploded to the blockchain and published all the data for retrieval,and it allows patients to retrieve the required cases without locating a specific patient.Secondly,in order to avoid malicious uploading by authorized personnel,smart contracts are used to perform multiple authentication on data upload,and doctors and patients restrict each other to ensure that all the data on the blockchain is true and reliable.Finally,the improved RAFT consensus algorithm can quickly identify Byzantine nodes so as to better achieve consensus on the blockchain.The performance of the model is evaluated through experiments,and the results show that the medical data could be shared,and meet the needs of patients for online communication under the premise of ensuring patient privacy.

Key words: Blockchain, Consensus mechanism, Medical data sharing, Patient communication, Smart contract

中图分类号:

TP311.13

陈先来, 赵晓宇, 曾工棉, 安莹. 基于区块链的患者在线交流模型[J]. 计算机科学, 2021, 48(11): 28-35. https://doi.org/10.11896/jsjkx.210400240

CHEN Xian-lai, ZHAO Xiao-yu, ZENG Gong-mian, AN Ying. Online Patient Communication Model Based on Blockchain[J]. Computer Science, 2021, 48(11): 28-35. https://doi.org/10.11896/jsjkx.210400240

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基于区块链的患者在线交流模型

Online Patient Communication Model Based on Blockchain

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