{"id":219837,"date":"2026-01-15T14:55:23","date_gmt":"2026-01-15T12:55:23","guid":{"rendered":"https:\/\/azbuki.bg\/?p=219837"},"modified":"2026-01-15T14:55:23","modified_gmt":"2026-01-15T12:55:23","slug":"implementation-of-an-electronic-health-record-for-occupational-medicine","status":"publish","type":"post","link":"https:\/\/press.azbuki.bg\/en\/uncategorized\/implementation-of-an-electronic-health-record-for-occupational-medicine\/","title":{"rendered":"Implementation of an Electronic Health Record for Occupational Medicine"},"content":{"rendered":"

Sofoklis Christoforidis<\/strong><\/p>\n

Efstathios Titopoulos<\/strong><\/p>\n

Democritus University of Thrace (Greece)<\/em><\/p>\n

Boryana Mihaylova<\/strong><\/p>\n

Technical University of Sofia <\/em>(Bulgaria)<\/em><\/p>\n

Athanasios Thomopoulos<\/strong><\/p>\n

Dimitrios Thomopoulos<\/strong><\/p>\n

Eleni Kromitoglou<\/strong><\/p>\n

Democritus University of Thrace (Greece)<\/em><\/p>\n

https:\/\/doi.org\/10.53656\/voc25-3-4-11<\/a><\/p>\n

Abstract. <\/strong>The advancement of Information and Communication Technologies (ICT) in the healthcare sector presents significant opportunities for the implementation of Electronic Health Record (EHR) systems. Such systems enable both healthcare professionals and patients to access medical histories directly, thereby enhancing transparency and continuity of care. However, the implementation of an EHR system is a complex undertaking. The chosen implementation strategy plays a critical role in integrating existing health information systems and ensuring their interoperability. This paper aims to design and model an integrated information system for Electronic Health Records in the context of occupational medicine. It examines best practices adopted globally during the deployment of EHR systems. We propose a distributed architecture in which employee health data is stored locally within each organization\u2019s database. A centralized reporting system is introduced to facilitate access to specific medical record data points as needed. Furthermore, we advocate for the integration of artificial intelligence into the system to monitor employee health. This monitoring would leverage both the medical examination data contained in the EHR and contextual information about the work environment.<\/p>\n

\u00a0<\/em>Keywords:<\/em> Interoperability, Semi-distributed architecture, Data quality management, Artificial intelligence integration, Occupational environment monitoring<\/p>\n

\u00a0<\/strong><\/p>\n

    \n
  1. Introduction<\/strong><\/li>\n<\/ol>\n

    At present, there is an urgent need to enhance both the quality and efficiency of healthcare delivery. Achieving these improvements inevitably requires additional investment, placing significant financial pressure on governments and private providers alike. Consequently, cost containment within the health sector has emerged as a foremost priority. Equally important is the imperative to bolster collaborative practices among physicians, ensuring that multidisciplinary teams can coordinate care more effectively and share expertise (Kalra et al., 2012; Smith & Ceusters, n.d.).<\/p>\n

    Furthermore, the systematic sharing of medical data among the population of Athens must be addressed without unduly constraining clinical autonomy. Patients and citizens increasingly demand transparent access to the information contained in their health records – data that encompass diagnostic procedures, therapeutic interventions, and proposed care plans. To meet this demand, stakeholders across clinical and administrative domains should have seamless, geographically unrestricted access to medical data, thereby promoting continuity of care, informed decision making, and patient empowerment (Bemmel, 1997).<\/p>\n

    The implementation of a unified information system for managing electronic health records (EHRs) presents a transformative opportunity to enhance the operational efficiency of healthcare professionals while significantly reducing the costs associated with storing and maintaining patient and citizen health data. Such a system is expected to mitigate the risks of data loss, ensuring the integrity and continuity of medical records. Moreover, it facilitates seamless access to patients\u2019 medical histories, not only for the individuals themselves but also for authorized healthcare providers, thereby promoting informed clinical decision-making and continuity of care (Chaudhry et al., 2006).<\/p>\n

    Importantly, the unified EHR system enables the integration of supplementary data and functionalities that extend beyond conventional patient care. By incorporating parameters related to the work environment, the system can generate actionable insights and alerts concerning occupational health risks and broader determinants of well-being. This capability supports both the monitoring of care quality and the identification of environmental factors that may adversely affect employee health, thus contributing to a more holistic and proactive approach to public health management (Hillestad et al., 2005).<\/p>\n

     <\/p>\n

    Proposed Electronic Health Record System<\/strong><\/p>\n

    Integrating independently deployed Electronic Health Record (EHR) platforms across disparate care providers into a unified, interoperable EHR (NEHR) remains a formidable undertaking for most advanced healthcare systems (Deutsch et al., 2010). To inform the design NEHR\u2014given its organizational structure and the capabilities of its health data communication network\u2014we review the two prevailing EHR architectural paradigms and propose a hybrid, semi-distributed model that reconciles their respective merits (Zaied et al., 2016).<\/p>\n

    Predominant System Architectures<\/strong><\/p>\n

    EHR implementations worldwide predominantly adopt one of two architectural approaches: centralized or distributed. Each paradigm offers distinct advantages and constraints with respect to scalability, data governance, real-time access, and resilience.<\/p>\n

    Under the centralized architecture, all patient records\u2014either in full detail or as standardized summaries\u2014are replicated to a single, national repository. Healthcare providers periodically or continuously transmit updates, as exemplified by Denmark\u2019s batch-oriented uploads (M & Vosegaard, 2008) versus Canada\u2019s real-time synchronization via the pan-Canadian service. The repository integrates a comprehensive dataset encompassing demographics, clinical history, laboratory results, medication regimens, and diagnostic imaging (Cripps et al., n.d.).<\/p>\n

    Australia\u2019s National Shared Electronic Health Record (NSEHR) similarly aggregates encounter notes, test results, discharge summaries, referrals, and prescriptions, with patients controlling supplementary inclusions (e.g., psychiatric medication records) (Cresswell et al., 2012). England\u2019s Summary Care Record (SCR), introduced through the National Programme for IT in Health, exemplifies a more constrained variant: it centrally stores only current medications, allergies, and adverse reactions for consenting patients.<\/p>\n

    Distributed Architecture<\/strong><\/p>\n

    In the distributed model, each provider retains native custody of its patients\u2019 health data, while a central reference index\u2014often called a Healthcare Information Broker (HIB) or Health Record Index Service (HRIS)\u2014orchestrates on-demand retrieval (Daglish & Archer, 2009). The Dutch National EHR employs this schema: local Health Information Systems maintain full clinical datasets, and the HRIS resolves lookup requests, authenticates users, and logs access events. Upon patient presentation, the local system notifies the HRIS of both the encounter and the data\u2019s storage location; subsequent requests by other clinicians are routed in real time to the appropriate source repository.<\/p>\n

     <\/p>\n

    Towards a Semi-Distributed Architecture<\/strong><\/p>\n

    While centralized models deliver rapid, uniform access at the expense of single-point-of-failure risk and complex data governance, purely distributed systems optimize local control but may suffer latency and coordination overhead. A semi-distributed approach can balance these trade-offs by maintaining core summaries centrally for immediate access, while preserving full records at local sites for detailed queries and offline resilience. The subsequent sections detail this hybrid model\u2019s design, its alignment with national health system workflows, and its integration within the extant national communications backbone.<\/p>\n

    Adopting a semi-distributed architecture minimizes both deployment and operational expenditures. This model should incorporate an auxiliary database dedicated to recording workplace environmental measurements, thereby enriching the health record with contextual data. By integrating these parameters, artificial intelligence (AI) engines can perform predictive modelling and deliver tailored health-management recommendations for patients and staff alike. Although AI excels at rapid analysis of large-scale datasets and the generation of data-driven insights, all algorithmic inferences must undergo rigorous clinical validation by qualified medical professionals.<\/p>\n

    Moreover, AI techniques offer significant value in systematically classifying and evaluating heterogeneous data types, strengthening both decision support and data-governance frameworks. The next chapter explores state-of-the-art methods for preprocessing and cleansing extensive legacy datasets that predate modern EHR implementations. Despite these advances, it remains essential to explicitly define the underlying assumptions, limitations, and validation protocols associated with AI-based data-quality interventions.<\/p>\n

     <\/p>\n

    Medical Data Quality and Artificial Intelligence <\/strong><\/p>\n

    Data quality (DQ) refers to the fitness of data for its intended use, encompassing dimensions such as accuracy, completeness, consistency, timeliness, and validity. High-quality data underpins sound decision making, reliable analytics, and trustworthy reporting. As organizations amass ever\u2010larger volumes of information, ensuring that data meet these quality criteria becomes both more critical and more challenging (Hosseinzadeh et al., 2023) (Rahm & Do, n.d.).<\/p>\n

     <\/p>\n

    Definition of Data Quality<\/strong><\/p>\n

    Data quality is often defined as the degree to which data satisfy the requirements of their consumers and processes (Balusamy et al., 2021). Core dimensions include:<\/p>\n

    \u2013 Accuracy: the closeness of data values to the real\u2010world entities they describe<\/p>\n

    \u2013 Completeness: the absence of missing or null values where they are expected<\/p>\n

    \u2013 Consistency: uniform representation across datasets and systems<\/p>\n

    \u2013 Timeliness: availability of data within a useful time frame<\/p>\n

    \u2013 Validity: compliance with predefined formats, business rules, and constraints<\/p>\n

    \u00a0<\/strong><\/p>\n

    Importance of Data Quality<\/strong><\/p>\n

    High data quality is a prerequisite for effective operations, strategic planning, and regulatory compliance. In healthcare, for example, erroneous or incomplete records can lead to misdiagnoses, treatment delays, and compromised patient safety. In finance, poor data quality can skew risk assessments, distort fraud detection, and undermine trust with stakeholders. Across sectors, clean\u2014and trustworthy\u2014data fuel innovation, drive competitive advantage, and reduce the costs associated with error correction downstream.(Dasu & Johnson, 2003)<\/p>\n

    \u00a0<\/strong><\/p>\n

    Traditional Data Quality Methods<\/strong><\/p>\n

    Historically, organizations have relied on a mix of manual review and rule\u2010based automation to detect and remediate data defects. Manual inspection entrusts data stewards with the task of auditing records, identifying outliers, and correcting anomalies. Rule\u2010based systems apply predefined checks\u2014such as format, range, and cross\u2010field consistency validations\u2014to flag and often automatically reject or correct suspicious entries(Batini & Scannapieco, 2016). Common approaches include:<\/p>\n

    \u2013 Manual review by data stewards<\/p>\n

    \u2013 Format, range, and consistency checks via rules engines<\/p>\n

    \u2013 Deduplication to merge identical or overlapping records<\/p>\n

    \u2013 Standardization to convert data into uniform formats or structures<\/p>\n

    \u00a0<\/strong><\/p>\n

    Limitations of Traditional Approaches<\/strong><\/p>\n

    While foundational, these methods exhibit key drawbacks as data scale and complexity grow. Manual processes become impractical with high\u2010velocity streams and massive datasets. Different stewards may apply divergent standards, introducing variability in data correction. Rule\u2010based systems struggle to adapt to novel error patterns or evolving data schemas and often fail to process unstructured content such as free\u2010text, images, or sensor feeds. Key limitations include:<\/p>\n

    \u2013 Poor scalability and high labor costs<\/p>\n

    \u2013 Long delays in data availability due to manual bottlenecks<\/p>\n

    \u2013 Inflexibility of static rules toward evolving data landscapes<\/p>\n

    \u2013 Inability to handle unstructured and multimodal data<\/p>\n

    \u00a0<\/strong><\/p>\n

    Towards AI\u2010Driven Data Quality Management<\/strong><\/p>\n

    The explosion of data volume, variety, and velocity demands more advanced, adaptive, and scalable DQ solutions. Artificial intelligence (AI) offers the ability to learn from historical error patterns, generalize rules dynamically, and process both structured and unstructured data on a scale. Machine learning models can predict anomalies, suggest corrections, and even automate end-to-end cleaning workflows with continually improving accuracy. Embedding AI into DQ processes promises faster remediation, consistent standards enforcement, and deeper insights into the root causes of defects.(\u201cBig Data,\u201d 2011; Taleb et al., 2021)<\/p>\n

    \u00a0<\/strong><\/p>\n

    The Artificial Intelligence on Applications in Data Processing<\/strong><\/p>\n

    Generative AI \u2013 particularly GPT-5 \u2013 has been employed extensively in data processing workflows, encompassing error correction, data validation, metadata generation, and related operations(Aldoseri et al., 2023; Tang, 2014). Its capabilities can be organized into five principal functions:<\/p>\n

    \u2013 Error Identification and Correction<\/strong>: GPT-4 performs contextual analysis of datasets to detect and rectify errors. By interpreting surrounding data patterns, it furnishes precise corrections that conform to the intended data schema.<\/p>\n

    \u2013 Data Validation<\/strong>: Leveraging predefined standards, GPT-5 validates incoming data and flags inconsistencies or anomalies. This mechanism is critical for maintaining data integrity and ensuring adherence to established quality benchmarks.<\/p>\n

    \u2013 Metadata Generation and Enrichment<\/strong>: Through semantic comprehension of document content, GPT-5 automatically generates and enriches metadata descriptors. The resulting metadata enhances both the organization and retrievability of large data repositories.<\/p>\n

    \u2013 Text Summarization and Insight Extraction<\/strong>: GPT-5 efficiently condenses voluminous text collections into concise summaries and extracts salient insights. This capability streamlines the management and analysis of extensive textual datasets.<\/p>\n

    \u2013 Natural Language Processing Applications<\/strong>: GPT-5\u2019s advanced NLP functionality underpins tasks such as sentiment analysis, machine translation, and automated content creation. These applications exploit its proficiency in navigating nuanced linguistic structures.<\/p>\n

    \u00a0<\/strong><\/p>\n

    Artificial intelligence (deep learning) in healthcare<\/strong><\/p>\n

    Deep learning has rapidly emerged as a transformative force in healthcare, surpassing other machine learning techniques through its predictive analytics, capacity to extract high-level features, and ability to process vast and heterogeneous datasets. Integrated into smartphones, and biomedical technologies, deep learning leverages five key enablers \u2013 big data, GPU-accelerated computing, advanced algorithms, and domain expertise \u2013 to optimize disease prediction, improve treatment planning, and reduce medical errors. In medical imaging, deep learning algorithms automatically extract features from raw data by constructing hierarchical representations, enabling highly accurate diagnostic outcomes and revolutionizing cloud-based diagnostics. Beyond imaging, deep learning has demonstrated exceptional performance in image recognition, natural language processing, and pattern analysis, with significant applications in conditions such as ophthalmic diseases, Alzheimer\u2019s, and cancer. Its integration into healthcare systems promises not only enhanced diagnostic accuracy and personalized care but also operational efficiencies, such as automating hospital workflows and supporting physicians in focusing more directly on patient care. As healthcare data grows exponentially, the role of deep learning in health informatics will be pivotal in advancing disease prediction, optimizing pharmaceutical prescriptions, and ensuring robust data governance. With continuous advancements, deep learning is poised to drive the evolution of healthcare, expanding public data resources, accelerating drug discovery, and establishing intelligent, transparent, and patient-centered systems that underpin the future of medical innovation (Grawitch et al., 2007; Hackney et al., 2021; Liu et al., 2023; Wang & Lin, 2023).<\/p>\n

     <\/p>\n

    Table <\/strong>1<\/strong>.<\/strong> Comparison of deep learning algorithms for healthcare (Atianashie & Adaobi, 2024)<\/p>\n\n\n\n\n\n\n\n\n
    Algorithm<\/strong><\/td>\nArchitecture<\/strong><\/td>\nTraining procedures<\/strong><\/td>\nAbility to secure healthcare data<\/strong><\/td>\n<\/tr>\n
    Convolutional neural networks (CNNs)<\/strong><\/td>\nUses layers of convolutional filters to automatically learn spatial hierarchies of features from input data.<\/td>\nRequires large, labelled datasets for supervised learning; training involves backpropagation and gradient descent optimizations.<\/td>\nSecurity can be enhanced with privacy preserving techniques like federated learning and differential privacy, although CNNs can be vulnerable to adversarial attacks.<\/td>\n<\/tr>\n
    Recurrent neural networks (RNNs)<\/strong><\/td>\nDesigned to handle sequential data by maintaining a hidden state that captures information from previous inputs.<\/td>\nTrained using backpropagation through time (BPTT), which can be computationally intensive due to vanishing gradient issues.<\/td>\nRNNs require robust encryption mechanisms to secure data during training and inference, especially since they deal with sequential health data.<\/td>\n<\/tr>\n
    Generative<\/strong><\/p>\n

    adversarial<\/strong><\/p>\n

    networks (GANs)<\/strong><\/td>\n

    		Composed of two neural networks, a generator and a discriminator that compete against each other, enhancing each other\u2019s performance.<\/td>\nTraining is adversarial, involving the minimization of losses in both networks, which can be unstable and require careful hyperparameter tuning.<\/td>\nGANs can be used to generate synthetic data, which is valuable for protecting patient privacy, though they may inadvertently learn sensitive information.<\/td>\n<\/tr>\n
    Autoencoders<\/strong><\/td>\nConsists of an encoder that compresses the input into a latent space and a decoder that reconstructs the input from this representation.<\/td>\nUnsupervised learning method where the network is trained to minimize reconstruction error.<\/td>\nAutoencoders can be utilized for data anonymization and feature extraction, but the latent space needs to be secured to prevent information leakage.<\/td>\n<\/tr>\n
    Deep belief<\/strong><\/p>\n

    networks (DBNs)<\/strong><\/td>\n

    		Comprises multiple layers of stochastic, latent variables, where the top two layers form an undirected graphical model and the lower layers are directed.<\/td>\nTrained layer by layer using unsupervised learning followed by finetuning with supervised learning.<\/td>\nDBNs can be combined with encryption techniques for secure training, but their layered approach may make them susceptible to certain types of attacks.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u00a0<\/strong><\/p>\n

    \u00a0<\/strong><\/p>\n

    Conclusion<\/strong><\/p>\n

    This article presents a cost-effective system architecture for the development of electronic medical records (EMRs) that enhances the monitoring of clinical examinations for both patients and employees. Leveraging contemporary technological capabilities, the proposed solution supports the storage, retrieval, and intelligent utilization of large-scale health and environmental datasets. Through mobile applications, individuals, whether patients or employees\u2014can access their personal medical information alongside contextual data related to their occupational environment. Concurrently, healthcare professionals are granted comprehensive access to longitudinal health records, enabling them to track clinical trajectories and respond promptly to emerging health concerns.<\/p>\n

    The system further integrates artificial intelligence (AI) modules capable of analyzing both structured and unstructured data, including legacy handwritten records and distributed electronic repositories. These AI components facilitate rapid data cleansing, anomaly detection, and inference generation, thereby improving the accuracy and usability of health information.<\/p>\n

    By synthesizing clinical and environmental inputs, the system empowers clinicians to make timely, data-driven decisions while promoting transparency and patient engagement. The study underscores the transformative potential of AI in augmenting EMR systems and advancing proactive, personalized healthcare delivery.<\/p>\n

    Generative artificial intelligence platforms\u2014epitomized by GPT-5\u2014offer a scalable, efficient, and precise solution for data quality management by automating error detection and correction, enforcing evolving business rules, and enriching metadata through advanced natural language processing and contextual analysis; empirical case studies in healthcare and finance demonstrate their ability to enhance dataset reliability, operational throughput, and decision-making accuracy while liberating human resources for strategic analytics. Continuous cross-referencing with external knowledge bases maintains consistency amid shifting data landscapes, but realizing these benefits demands domain-specific model training, rigorous validation procedures, seamless integration with existing architectures, and stringent privacy controls. By transcending the limitations of manual and rule-based approaches, generative AI not only streamlines complex data processes but also strengthens governance and accessibility, positioning high-quality, trustworthy data as the foundation for innovation, regulatory compliance, and sustained competitive advantage.<\/p>\n

     <\/p>\n

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    Zaied, A. N. H., Elmogy, M., & Elkader, S. A. (2016). A Proposed Cloud-based Framework for Integrating Electronic Health Records. Proceedings of the 10th International Conference on Informatics and Systems<\/em>, 139 \u2013 145. https:\/\/doi.org\/10.1145\/2908446.2908478.<\/p>\n

     <\/p>\n

    Sofoklis Christoforidis<\/strong><\/p>\n

    Democritus University of Thrace<\/p>\n

    Greece<\/p>\n

    E-mail: sofoklis9@gmail.com<\/p>\n

    Efstathios Titopoulos<\/strong><\/p>\n

    Democritus University of Thrace<\/p>\n

    Greece<\/p>\n

    E-mail: etitopolus@tu-sofia.bg<\/p>\n

    Boryana Mihaylova<\/strong><\/p>\n

    WoS Researcher ID: NUQ-0610-2025<\/p>\n

    Technical University of Sofia<\/p>\n

    Sofia, Bulgaria<\/p>\n

    E-mail: bilieva@tu-sofia.bg<\/p>\n

    Athanasios Thomopoulos<\/strong><\/p>\n

    Democritus University of Thrace<\/p>\n

    Greece<\/p>\n

    Dimitrios Thomopoulos<\/strong><\/p>\n

    Democritus University of Thrace<\/p>\n

    Greece<\/p>\n

    Eleni Kromitoglou<\/strong><\/p>\n

    Democritus University of Thrace<\/p>\n

    Greece<\/p>\n

    >> Download the article as a PDF file <<<\/a><\/p>","protected":false},"excerpt":{"rendered":"

    Sofoklis Christoforidis Efstathios Titopoulos Democritus University of Thrace (Greece) Boryana Mihaylova Technical University of Sofia (Bulgaria) Athanasios Thomopoulos Dimitrios Thomopoulos Eleni Kromitoglou Democritus University of Thrace (Greece) https:\/\/doi.org\/10.53656\/voc25-3-4-11 Abstract. The advancement of Information and Communication Technologies (ICT) in the healthcare sector presents significant opportunities for the implementation of Electronic Health Record (EHR) systems. Such systems […]<\/p>","protected":false},"author":124332423427287,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":[],"jnews_primary_category":[]},"categories":[1],"tags":[15819,15818,15816,15820,15817],"yoast_head":"\nImplementation of an Electronic Health Record for Occupational Medicine - \u0410\u0437-\u0431\u0443\u043a\u0438<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/strategies.azbuki.bg\/en\/uncategorized\/implementation-of-an-electronic-health-record-for-occupational-medicine\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Implementation of an Electronic Health Record for Occupational Medicine - \u0410\u0437-\u0431\u0443\u043a\u0438\" \/>\n<meta property=\"og:description\" content=\"Sofoklis Christoforidis Efstathios Titopoulos Democritus University of Thrace (Greece) Boryana Mihaylova Technical University of Sofia (Bulgaria) Athanasios Thomopoulos Dimitrios Thomopoulos Eleni Kromitoglou Democritus University of Thrace (Greece) https:\/\/doi.org\/10.53656\/voc25-3-4-11 Abstract. The advancement of Information and Communication Technologies (ICT) in the healthcare sector presents significant opportunities for the implementation of Electronic Health Record (EHR) systems. 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