Probabilistic record linkage between digital imaging net
数字成像网络间的概率记录联动
基本信息
- 批准号:6549866
- 负责人:
- 金额:$ 10万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2002
- 资助国家:美国
- 起止时间:2002-09-30 至 2003-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
DESCRIPTION (provided by applicant): Ubiquitous and secure access by physicians to a patient's medical records regardless of geographic location has tremendous potential to improve the delivery of medical care along multiple dimensions, yet the lack of a unique patient identifier between institutions remains a critical obstacle. While a national patient identifier was to have been established by the federal HIPAA legislation, opposition from privacy advocacy groups led to the suspension of a notice of proposed rulemaking. Probabilistic record linkage, however, represents a cross-disciplinary set of techniques that should permit reliable identification of patients across institutions in the absence of a unique identifier. Here we propose to study the feasibility of these techniques and quantify their reliability in the context of radiologic records, the only digital medical data for which there is a standard for electronic data interchange. In collaboration with the Hospital of the University of Pennsylvania (HUP), we propose to create a virtual patient "film jacket" across two unconnected picture archiving and communication systems (PACS). Adapting tools initially developed at the US Census Bureau, we will use probabilistic techniques to map unique patients between the two PACS based on the standard demographic data available in the DICOM headers of their imaging studies excluding the medical record number (MRN). We propose to compare this statistical approach to a benchmark of "true matches" represented by HUP's own MRN and use frequency analysis to determine appropriate cutoff values for probabilistic matches and evaluate the discriminatory power of the different DICOM attributes. We will also extend this analysis to additional demographic data stored in HUP's radiology information system (RIS) to evaluate the potential benefit of interfacing with both PACS and RIS and explore system performance as the number of records scales upwards. Phase II of the project, intended as a proof-of-concept to set the stage for commercialization, will involve applying our approach to a far more realistic test case - the creation of a virtual patient film jacket across two unaffiliated medical institutions. Commercialization of this technology will take the form of a radiology-specific global master patient index platform that will enable the creation of seamless, patient-centric virtual file jackets across arbitrary sets of institutions and PACWRIS installations. Such a product based upon non-proprietary, open standards would enable true and practical integration of care delivery between hospitals within an affiliated integrated delivery network or even between unaffiliated medical centers.
描述(由申请人提供):无论地理位置如何,医生对患者医疗记录的无所不在和安全访问具有巨大的潜力,可以从多个方面改善医疗服务的提供,但机构之间缺乏唯一的患者标识符仍然是一个关键障碍。虽然联邦HIPAA立法已经建立了一个全国患者标识符,但隐私倡导团体的反对导致了拟议规则制定通知的暂停。然而,概率记录链接代表了一套跨学科的技术,应该允许在缺乏唯一标识符的情况下跨机构可靠地识别患者。在这里,我们建议研究这些技术的可行性,并量化其在放射记录背景下的可靠性,放射记录是唯一有电子数据交换标准的数字医疗数据。在与宾夕法尼亚大学医院(HUP)的合作中,我们建议在两个未连接的图片存档和通信系统(PACS)之间创建一个虚拟的病人“电影夹克”。采用最初在美国人口普查局开发的工具,我们将使用概率技术根据影像学研究DICOM标题中可获得的标准人口统计数据(不包括病历编号(MRN))在两个PACS之间绘制独特的患者。我们建议将这种统计方法与HUP自己的MRN所代表的“真实匹配”基准进行比较,并使用频率分析来确定概率匹配的适当截止值,并评估不同DICOM属性的区分能力。我们还将此分析扩展到存储在HUP放射学信息系统(RIS)中的其他人口统计数据,以评估与PACS和RIS接口的潜在好处,并随着记录数量的增加探索系统性能。该项目的第二阶段,旨在作为概念验证,为商业化奠定基础,将涉及将我们的方法应用于更现实的测试案例-在两个独立的医疗机构之间创建虚拟患者电影夹克。这项技术的商业化将以放射学特定的全球主患者索引平台的形式进行,该平台将能够在任意机构和PACWRIS装置之间创建无缝的、以患者为中心的虚拟档案夹。这种基于非专有的开放标准的产品将使附属综合交付网络内的医院之间甚至非附属医疗中心之间的护理交付实现真正和实际的集成。
项目成果
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ELLIOT D MENSCHIK其他文献
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{{ truncateString('ELLIOT D MENSCHIK', 18)}}的其他基金
A peer-to-peer digital imaging network for patient care
用于患者护理的点对点数字成像网络
- 批准号:
6485748 - 财政年份:2002
- 资助金额:
$ 10万 - 项目类别: