Sharing patient data across healthcare systems improves overall healthcare outcomes
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Peer-reviewed literature indicates that interoperability and sharing patient data across healthcare systems enhance care delivery, improve care continuity, and positively impact overall patient outcomes.
<h4>Background</h4>Health information exchange (HIE) is increasing in the United States, and it is incentivized by government policies.<h4>Purpose</h4>To systematically review and evaluate evidence of the use and effect of HIE on clinical care.<h4>Data sources</h4>Selected databases from 1 January 2003 to 31 May 2014.<h4>Study selection</h4>English-language hypothesis-testing or quantitative studies of several types of data exchange among unaffiliated organizations for use in clinical care that addressed health outcomes, efficiency, utilization, costs, satisfaction, HIE usage, sustainability, and attitudes or barriers.<h4>Data extraction</h4>Data extraction was done in duplicate.<h4>Data synthesis</h4>Low-quality evidence from 12 hypothesis-testing studies supports an effect of HIE use on reduced use or costs in the emergency department. Direct evidence that HIEs were used by providers was reported in 21 studies involving 13 distinct HIE organizations, 6 of which were located in New York, and generally showed usage in less than 10% of patient encounters. Findings from 17 studies of sustainability suggest that approximately one quarter of existing HIE organizations consider themselves financially stable. Findings from 38 studies about attitudes and barriers showed that providers, patients, and other stakeholders consider HIE to be valuable, but barriers include technical and workflow issues, costs, and privacy concerns.<h4>Limitation</h4>Publication bias, possible selective reporting of outcomes, and a dearth of reporting on context and implementation processes.<h4>Conclusion</h4>Health information exchange use probably reduces emergency department usage and costs in some cases. Effects on other outcomes are unknown. All stakeholders claim to value HIE, but many barriers to acceptance and sustainability exist. A small portion of operational HIEs have been evaluated, and more research is needed to identify and understand success factors.<h4>Primary funding source</h4>U.S. Department of Veterans Affairs. (PROSPERO registration number: CRD42014007469).
The review highlights the importance of interoperability in health information systems for enhancing health-care delivery and outcomes. It discusses the deployment of electronic health record (EHR) systems, which aim to improve care quality by enabling data-driven decision-making. However, a lack of interoperability among various health information systems hinders data exchange and sharing of patient information across different platforms. The review emphasizes the need to establish health information exchange (HIE) policies and standards at the national level, guided by appropriate governance frameworks, legal policies, and privacy and security guidelines. It explores the potential of blockchain technology and the Fast Healthcare Interoperability Resources (FHIR) standard for promoting interoperability and secure data sharing. Furthermore, the review examines the role of semantic web technologies in improving knowledge sharing, information management, and data interoperability within healthcare systems. It also highlights the importance of achieving semantic interoperability to ensure the exchange and accessibility of patient data without losing its intended meaning. The review delves into technological aspects, such as the challenges of adopting blockchain in EHR administration, the architectural considerations for blockchain-based healthcare solutions, and the need for health data platforms to incorporate standards that facilitate formal modeling of clinical knowledge and harmonized data exchange. Overall, the review underscores the necessity of a multi-pronged approach, including technical solutions, policy measures, and collaboration among stakeholders, to address interoperability challenges and unlock the full potential of interoperable electronic health records.
The healthcare system relies on efficient data flow across primary, secondary, and tertiary care levels to ensure timely and effective patient care. However, despite the growing body of research on data sharing across different healthcare levels, significant gaps remain in understanding the practical implementation of interoperable systems and their long-term impact on patient outcomes and healthcare efficiency. This paper systematically explores the role of data as an interface connecting these different care levels via a systematic literature review. By utilising PRISMA guidelines, this study identifies the current practices and challenges in data sharing and its impact on care coordination. The findings highlight the importance of integrating electronic health records (EHRs) and health information exchange (HIE) platforms in facilitating real-time data sharing, which enhances decision-making and continuity of care, and presents key barriers such as data security, interoperability issues, and the financial burden of implementing data-sharing infrastructure. This study also discusses potential solutions, including standardisation initiatives, policy frameworks, and patient education to improve data sharing across healthcare settings. This study analyses a dataset extracted from online peer-reviewed databases for publications between 2015 and 2024, focusing on data-sharing practices, interoperability challenges, and technological advancements in healthcare systems across prim
Inter-organizational data sharing in healthcare is fraught with challenges, including diverse healthcare terminologies, incompatible data structures, and issues with data consistency and security. Establishing a unified patient record across a data-sharing network is problematic, and centralized data stores and authority providers are prime targets for cyberattacks. This study proposes a blockchain-based patient data-sharing strategy that relies on network consensus rather than a single, centralized source of trust. The consensus is based on evidence of both structural and semantic interoperability. The primary objective is to develop secure and controlled data-sharing mechanisms that enhance care coordination. The research utilized Kanban as the software development methodology to manage the project effectively. The study found that blockchain-based electronic health record (EHR) systems significantly enhance care coordination by enabling seamless data transfer and fostering trust and collaboration among healthcare providers. Key findings include improved data consistency, enhanced security, and increased interoperability across diverse healthcare systems. These results suggest that blockchain technology can play a crucial role in transforming healthcare delivery and improving patient outcomes in the context of Health 4.0. This work contributes to the ongoing discussion on leveraging blockchain technology to revolutionize healthcare systems, offering a robust framework for s
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