Big Data in the Veterans Health Administration: A Nursing Informatics Perspective

Abstract

PURPOSE: This article reviews the missions of the U.S. Department of Veterans Affairs (VA) and the evolution of its electronic health record (EHR), the Veterans Health Information Systems and Technology Architecture (VistA). This system, along with its clinical graphical user interface the Computerized Patient Record System, form a key link in VA health care. A Veteran who receives healthcare through the VA can have their EHR accessed by clinicians at any VA healthcare facility across the United States and its territories. Data aggregated daily at a corporate data warehouse supports VA quality improvement and research. ORGANIZING CONSTRUCT: Serving over 9 million Veterans, the VA is one of the largest integrated healthcare systems in the United States. It has been a leader in the development and use of healthcare informatics, EHR, and big data analytics for over 30 years. Nurses engaged in major roles in the evolution of these developments. CONCLUSIONS: With over 500 nurses as members, the Office of Nursing Informatics' Field Alliance demonstrates the VA's continuing commitment to fostering nursing informatics. The commitment includes investment by the VA to develop nursing informaticists from among its own staff. CLINICAL RELEVANCE: Exemplars of the impact of nursing informatics are shared. Future directions include an EHR that begins during military service and follows the Veteran into VA health care.

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