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Consent-Aware Genomic–Clinical Analytics: A Policy-Constrained Access Control Framework for Secondary Data Use
The rapid integration of artificial intelligence (AI) into healthcare analytics has amplified the need for robust frameworks that govern secondary use of genomic and clinical data while prioritizing patient consent and policy compliance. This conceptual manuscript introduces a novel policy-constrained access control framework designed to facilitate consent-aware analytics in genomic-clinical environments. By embedding dynamic consent mechanisms into data access pipelines, the framework ensures that secondary data utilization adheres to ethical, legal, and institutional policies, mitigating risks associated with unauthorized reuse. We synthesize recent literature on data sharing, privacy protections, and genomic informatics to underscore the framework’s theoretical foundations. Key components include layered access orchestration, policy-enforced query resolution, and feedback loops for consent revocation monitoring. Conceptual formulas are presented to interpret risk propagation in access chains and governance load under varying policy constraints. The architecture promotes interoperability between genomic repositories and clinical systems, fostering trustworthy AI-driven insights without empirical validation. Implications for healthcare stakeholders emphasize enhanced data stewardship, reduced privacy breaches, and scalable secondary analytics. This work advances conceptual discourse on AI-enabled healthcare systems by proposing a governance-centric infrastructure that balances innovation with patient autonomy in secondary data contexts.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 January 2024 | Article: 33

Evidence-Line Attribution for Clinical Text Generation: A Grounding Standard for Retrieval-Augmented Summarization
In the evolving landscape of artificial intelligence integration within healthcare systems, the challenge of ensuring verifiable and trustworthy clinical text generation persists, particularly in retrieval-augmented summarization pipelines. This conceptual manuscript introduces the evidence-line attribution grounding (ELAG) framework as a novel standard for anchoring generated clinical summaries to source evidence, thereby enhancing transparency and accountability in AI-driven healthcare analytics. Grounded in theoretical principles of information retrieval and attribution mechanics, ELAG delineates a multi-layered architecture that orchestrates evidence tracing across clinical data modalities, from electronic health records (EHRs) to diagnostic reports, while mitigating risks of hallucination and bias propagation in summarization outputs. We synthesize recent literature on clinical AI architectures, interoperability frameworks, and governance models to underscore the necessity for such grounding standards. The framework incorporates interpretive formulas for assessing attribution fidelity, decision confidence in clinical workflows, and governance overhead in deployment environments. By focusing on theoretical infrastructures rather than empirical validations, this work posits ELAG as a foundational blueprint for interoperable, ethical AI systems in healthcare, fostering improved clinical decision support through verifiable text generation. Ultimately, ELAG addresses critical gaps in current retrieval-augmented approaches, promoting safer integration into high-stakes clinical settings where evidence attribution directly impacts patient outcomes and regulatory compliance.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 January 2024 | Article: 34

Hallucination Sensitivity in Clinical Language Models: A Benchmarking Protocol for Safety-Critical Text Generation
The escalating integration of large language models (LLMs) into clinical environments underscores the imperative for robust protocols to mitigate hallucination risks in safety-critical text generation. This conceptual manuscript introduces a novel benchmarking protocol designed to evaluate and govern hallucination sensitivity within clinical language models, emphasizing theoretical architectures that prioritize patient safety and decision integrity. Hallucination sensitivity, defined as the propensity of models to generate unsubstantiated or erroneous content in medical contexts, poses significant threats to diagnostic accuracy, treatment planning, and regulatory compliance. Drawing from interdisciplinary insights in artificial intelligence and healthcare informatics, we propose the hallucination sensitivity orchestration framework (HSOF). This multi-layered governance infrastructure incorporates dynamic sensitivity thresholds, contextual alignment mechanisms, and iterative feedback loops to orchestrate safe text outputs. This framework delineates core components, including sensitivity detection layers, clinical validation gateways, and adaptive mitigation strategies, all conceptualized without empirical testing to focus on architectural resilience. Key theoretical contributions include interpretive formulas for risk propagation and decision confidence, illustrating how hallucination vulnerabilities cascade through clinical workflows. By synthesizing recent literature on LLM hallucinations in biomedicine, this work advocates for proactive protocol designs that embed ethical safeguards and interoperability standards. Ultimately, HSOF serves as a blueprint for developers and clinicians to benchmark model behaviors theoretically, fostering trustworthy AI deployment in high-stakes healthcare systems. This approach not only addresses current gaps in safety-critical text generation but also anticipates future evolutions in clinical AI governance, promoting a paradigm shift toward hallucination-resilient intelligence infrastructures.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 January 2024 | Article: 35

Modeling Clinician Preferences in AI-Assisted Drafting: A Human-in-the-Loop Adaptation Theory
The integration of generative artificial intelligence into clinical documentation workflows promises substantial efficiency gains yet introduces persistent misalignment between AI-generated drafts and individual clinician judgment. This conceptual systems research article advances a novel human-in-the-loop adaptation theory that explicitly models clinician preferences as dynamic, context-sensitive inputs rather than static constraints. Drawing on peer-reviewed evidence, the manuscript synthesizes how preference elicitation, real-time adaptation, and closed-loop governance can transform AI-assisted drafting from a supplementary tool into a co-evolutionary clinical intelligence infrastructure.Central to the contribution is the introduction of the clinician preference orchestration and adaptation framework (CPOAF), a layered architectural model featuring four interdependent strata and a star-topology feedback mechanism that propagates preference drift signals radially from peripheral clinician nodes to a central orchestration engine. Three interpretive mathematical constructs—decision confidence, monitoring burden, and drift sensitivity—are formalized to guide theoretical deployment without empirical benchmarking.The framework addresses governance constraints, data-modality specificity, and deployment-environment heterogeneity while preserving clinician autonomy. By foregrounding preference modeling as the core adaptive mechanism, CPOAF offers a scalable infrastructural blueprint for next-generation AI-assisted drafting systems that remain clinically grounded, ethically defensible, and institutionally sustainable. Implications extend to health-system informatics, regulatory science, and human-centered AI design.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 January 2024 | Article: 36

Patient Portal Inbox Intelligence: A Risk-Stratified Framework for Urgency Detection, Routing, and Duty-of-Care Boundaries
In the evolving landscape of digital healthcare, patient portals serve as critical conduits for asynchronous communication, yet their inboxes often overwhelm clinicians with unstructured messages, risking delays in urgent care. This conceptual manuscript introduces the urgency-risk orchestration network (URON), a theoretical framework designed to stratify message urgency, automate routing, and delineate duty-of-care boundaries within electronic health record (EHR) ecosystems. Drawing on principles from clinical AI architectures and healthcare analytics, URON integrates multi-layered intelligence for real-time triage, leveraging risk stratification algorithms to prioritize messages based on semantic urgency cues, patient history integration, and ethical governance constraints. The framework emphasizes interoperability with existing decision support pipelines, ensuring seamless workflow integration while mitigating biases in AI-driven routing. By establishing clear boundaries for clinician intervention, URON aims to reduce cognitive load and enhance patient safety without empirical validation. Theoretical implications include improved resource allocation in ambulatory settings and proactive monitoring of system drift. This work synthesizes recent literature on AI governance and EHR intelligence, proposing a scalable infrastructure that balances automation with human oversight. Ultimately, URON provides a blueprint for intelligent patient portal management, fostering equitable and efficient healthcare delivery.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 January 2024 | Article: 37

Post-Deployment Update Triggers for Clinical AI: An Error-Taxonomy Framework for Safe Model Revision
Post-deployment performance degradation in clinical artificial intelligence systems remains a persistent barrier to sustained patient safety and regulatory adherence. Unlike pre-market validation, real-world deployment exposes models to continuous data shifts, input anomalies, and contextual drift that standard retraining protocols cannot preemptively address. This conceptual systems manuscript presents an original error-taxonomy framework designed specifically to identify, classify, and act upon post-deployment error signals, thereby triggering safe, targeted model revisions without disrupting clinical workflows. Synthesizing peer-reviewed evidence, the framework introduces a layered orchestration infrastructure that integrates error taxonomy classification with governance-constrained decision logic. A unique closed-loop feedback topology ensures iterative refinement while preserving traceability for auditability. Three interpretive formulas quantify risk propagation, decision confidence under taxonomic uncertainty, and governance load. The proposed architecture, termed the error taxonomy update and revision framework (ETURF), provides a theoretical blueprint for responsible lifecycle management across imaging, tabular, and multimodal clinical environments. By anchoring revision triggers to clinically interpretable error categories rather than aggregate metrics, the framework advances infrastructural safety in healthcare AI deployment. This work establishes a conceptual foundation for future integration into hospital information systems and regulatory oversight mechanisms.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 January 2024 | Article: 38

Prompt Safety Specifications for Medical Documentation Assistants: A Design-Control Framework for Risk Mitigation
The integration of artificial intelligence (AI) into healthcare, particularly through medical documentation assistants powered by large language models (LLMs), presents significant opportunities for enhancing efficiency and accuracy in clinical record-keeping. However, the deployment of such systems introduces unique risks, including prompt-induced biases, hallucinated content, and non-compliance with regulatory standards, which can compromise patient safety and data integrity. This conceptual manuscript proposes a novel design-control framework for risk mitigation (DCFRM) tailored to prompt safety specifications in medical documentation assistants. The framework establishes a multi-layered architecture that incorporates proactive prompt engineering, real-time monitoring mechanisms, and adaptive governance protocols to mitigate risks without relying on empirical data or model training. Drawing from theoretical principles in AI safety and healthcare informatics, the DCFRM emphasizes interpretive formulas for risk propagation and decision confidence, ensuring alignment with ethical and legal imperatives. By synthesizing recent literature on AI-driven clinical tools, this work highlights the need for infrastructural safeguards that address deployment-specific vulnerabilities in dynamic clinical environments. The framework’s unique feedback topology enables iterative refinement of prompt specifications, fostering resilience against emergent threats like model drift or adversarial inputs. Ultimately, this theoretical construct aims to guide the development of safer AI assistants in healthcare, promoting trust and reliability in medical documentation processes while adhering to design-control paradigms that prioritize risk aversion over performance optimization.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 July 2024 | Article: 39

Report–Image Agreement as a Safety Signal: A Verification Framework for Radiology Impression Consistency
In the evolving landscape of artificial intelligence integration within healthcare, ensuring the consistency between radiology reports and corresponding images emerges as a critical safety signal to mitigate diagnostic errors and enhance patient outcomes. This conceptual manuscript proposes a novel verification framework designed to systematically assess report–image agreement, framing it as an essential mechanism for quality assurance in radiology workflows. Drawing from theoretical foundations in AI trustworthiness and medical imaging informatics, the framework delineates an architectural infrastructure that orchestrates multi-layered verification processes, incorporating governance protocols to detect discrepancies in impressions derived from radiological data. By conceptualizing agreement as a dynamic safety indicator, the system addresses potential risks such as interpretive drift and resource misallocation through interpretive formulas that model risk propagation, decision confidence, and monitoring burden. The architecture emphasizes a unique feedback topology to enable iterative refinement without relying on empirical data or performance metrics. This approach fosters a theoretical basis for deploying AI-assisted tools in clinical environments, highlighting infrastructural considerations for scalability and ethical integration. Ultimately, the framework contributes to the discourse on safe AI applications in radiology by prioritizing consistency verification as a proactive safeguard, potentially reducing adverse events and supporting informed clinical decision-making in diverse healthcare settings.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 July 2024 | Article: 40

Post-Deployment Monitoring of Clinical AI Systems: Drift Detection, Feedback Governance, and Update Policies
The integration of artificial intelligence (AI) into healthcare systems has revolutionized clinical analytics, enabling predictive modeling, diagnostic support, and personalized interventions. However, the post-deployment phase of these AI systems presents unique challenges, particularly in maintaining performance amid evolving clinical environments. This narrative review synthesizes recent literature on post-deployment monitoring strategies for clinical AI, focusing on drift detection, feedback governance, and update policies within healthcare systems and analytics frameworks. We examine how data shifts—arising from changes in patient demographics, clinical protocols, or external factors—can degrade AI model efficacy, leading to suboptimal outcomes in high-stakes settings like disease prediction and resource allocation. Drift detection emerges as a cornerstone, encompassing statistical methods to identify concept drift, covariate shift, and label drift in real-time healthcare data streams. Techniques such as nonparametric monitoring and ensemble-based approaches allow for proactive identification of performance decay, ensuring AI systems remain aligned with dynamic clinical realities. Feedback governance integrates human-in-the-loop mechanisms, where clinician inputs refine AI outputs, fostering trust and regulatory compliance in governance structures. Update policies, including retraining schedules and federated learning paradigms, to address the need for iterative model evolution without disrupting clinical workflows. We highlight systems-level perspectives, such as closed-loop architectures that link monitoring to automated updates, emphasizing interoperability across electronic health records (EHRs) and AI pipelines. Comparative analysis reveals gaps in current practices, including limited scalability in resource-constrained settings and ethical considerations in data privacy during monitoring. Through an original synthesis, we propose an integrative framework for AI lifecycle management in healthcare, underscoring the interplay between drift metrics, governance protocols, and policy-driven updates to enhance patient safety and system resilience. This review underscores the imperative for standardized monitoring protocols, informed by multidisciplinary insights, to bridge the translational gap from AI development to sustained clinical utility. By addressing these elements, healthcare AI can achieve robust, adaptive performance, ultimately improving analytics-driven decision-making and outcomes in diverse clinical contexts. Future directions include harmonizing international guidelines for AI monitoring, integrating explainable AI for better feedback loops, and leveraging emerging technologies like edge computing for real-time drift management. This synthesis provides a foundation for researchers and practitioners to advance post-deployment strategies, ensuring AI’s enduring impact on healthcare systems.
Journal of Health Informatics and Digital Systems
Review | Open access | 10 July 2024 | Article: 41

Retrieval-Augmented Generation in Healthcare: Evidence Grounding, Evaluation Metrics, and Safety Controls
The integration of retrieval-augmented generation (RAG) into healthcare systems represents a transformative approach to enhancing the reliability, interpretability, and safety of artificial intelligence (AI)-driven clinical analytics. By combining large language models (LLMs) with external knowledge retrieval mechanisms, RAG mitigates hallucinations inherent in standalone generative models, ensuring outputs are grounded in verifiable evidence from electronic health records (EHRs), clinical guidelines, and peer-reviewed literature. This narrative review synthesizes recent advancements in RAG applications for healthcare, focusing on evidence-grounded strategies, tailored evaluation metrics, and robust safety controls to facilitate trustworthy deployment in high-stakes medical environments. Evidence grounded in RAG frameworks involves dynamic retrieval of contextually relevant information to inform generative responses, thereby improving factual accuracy in tasks such as clinical summarization, decision support, and patient education. Studies demonstrate that RAG-enhanced LLMs outperform traditional models in extracting key clinical insights from EHRs, with applications spanning orthopedic patient education, neurosurgical consultations, and precision oncology treatment matching. For instance, integrating vector databases with LLMs enables real-time querying of molecular data to align therapeutic recommendations with patient-specific profiles, reducing errors in evidence-based practice. However, the efficacy of grounding depends on the quality of retrieved sources, necessitating hybrid retrieval techniques that balance semantic similarity and domain-specific relevance. Evaluation metrics for RAG in healthcare extend beyond conventional natural language processing benchmarks to incorporate clinical validity, coherence with medical knowledge, and user-centric outcomes. Metrics such as faithfulness scores, which assess alignment between generated content and retrieved evidence, have been adapted for biomedical contexts, revealing improvements in accuracy for tasks like fitness assessments and diabetes education. Safety controls are paramount, encompassing bias mitigation through multi-agent conversational frameworks, privacy-preserving retrieval in federated systems, and hallucination detection via uncertainty quantification. Regulatory perspectives emphasize the need for standardized safety benchmarks to prevent misinformation in patient-facing tools. This review highlights systems-level insights, including closed-loop architectures where RAG facilitates iterative feedback between data ingestion, inference, and clinical intervention. Challenges in scalability, such as computational overhead in resource-constrained settings, are addressed through optimized retrieval pipelines. We propose an original interpretive framework for RAG deployment, emphasizing interoperability with existing healthcare infrastructures to enhance analytics workflows. Ultimately, RAG holds promise for democratizing AI in healthcare, provided rigorous evaluation and safety protocols are embedded from design to implementation, paving the way for equitable, evidence-driven clinical intelligence.
Journal of Health Informatics and Digital Systems
Review | Open access | 10 July 2024 | Article: 42

Generative AI in Clinical Workflows: Documentation Utility, Failure Modes, and Oversight Mechanisms
The integration of generative artificial intelligence (AI) into clinical workflows represents a transformative shift in healthcare systems and analytics, promising enhanced efficiency in documentation tasks while introducing novel challenges in reliability and governance. This narrative review synthesizes recent literature on the utility of generative AI models, such as large language models (LLMs), in automating clinical documentation, including patient notes, discharge summaries, and diagnostic reports, which traditionally consume significant clinician time. Studies highlight how these tools can streamline data ingestion from electronic health records (EHRs), generating coherent narratives that align with clinical standards, thereby reducing administrative burdens and allowing more focus on patient care. For instance, generative AI has demonstrated proficiency in summarizing complex medical dialogues and classifying clinical notes, often outperforming traditional methods in speed and accuracy, as evidenced by evaluations in German healthcare settings and emergency departments. However, the utility is tempered by inherent failure modes, including hallucinations—where models produce factually incorrect information—and biases amplified from training data, which can propagate errors in clinical decision-making. Oversight mechanisms are critical to mitigate these risks, encompassing human-in-the-loop verification, regulatory frameworks like the EU AI Act, and ethical guidelines for deployment in high-stakes environments. From a systems-level perspective, generative AI enables closed-loop analytics in healthcare infrastructure, where data flows from ingestion to inference, informing interventions and feeding back for model recalibration. This review examines how LLMs facilitate intelligent clinical decision support, such as in patient care document verification using EHRs and prompt engineering for medical education. Yet, failures such as catastrophic errors in multimodal AI applications underscore the need for robust oversight, including transparency in model training and post-deployment monitoring. Comparative analyses reveal that while generative AI excels in low-risk documentation tasks, its application in critical sectors demands interdisciplinary expertise to address trust deficits and ensure equitable outcomes. The review integrates cross-study insights, proposing an original framework for AI-enabled healthcare loops that emphasizes governance at each stage to balance innovation with safety. Emerging perspectives indicate that generative AI’s role in healthcare analytics extends to predictive modeling and administrative functions, with consensus statements advocating for standardized evaluation frameworks to assess real-world viability. Challenges in failure modes, such as over-reliance on AI outputs without verification, highlight the imperative for oversight mechanisms that incorporate legal and ethical considerations, ensuring compliance with therapeutic approvals and preventing misuse in controlled substance contexts. Ultimately, this synthesis underscores the dual-edged nature of generative AI in clinical workflows: its documentation utility can revolutionize healthcare delivery, but only through vigilant oversight to avert failures that compromise patient safety. By structuring the discourse around data-model-deployment-governance continua, this review offers a novel interpretive lens for future implementations, urging stakeholders to prioritize human oversight in AI-augmented systems.
Journal of Health Informatics and Digital Systems
Review | Open access | 10 July 2024 | Article: 43

Interpretable Machine Learning Model for Predicting Laboratory Alert Fatigue Using Alert Frequency, Clinical Severity, Provider Specialty, Repeated Abnormal Results, Response Time, and Override Behavior
Laboratory alert fatigue erodes the effectiveness of clinical decision support by making repeated abnormal result notifications less likely to prompt timely clinical attention. It is often recognised only after providers begin delaying, overriding, or ignoring alerts. Current alert reduction strategies are commonly based on broad thresholds or blanket suppression rules. These approaches do not explain which providers, specialties, alert types, or repeated result patterns are most susceptible to fatigue. This article proposes an interpretable machine learning model that could predict whether a provider will exhibit fatigued behaviour toward a specific laboratory alert. The model is intended to support transparent, provider-aware alert redesign rather than opaque automation. The proposed framework would use historical alert logs with features capturing alert frequency, clinical severity, provider specialty, repeated abnormal results, response time history, and override behaviour. A regularised logistic regression or gradient-boosted tree model with SHAP explanations would provide both prediction and interpretability. Conceptually, the model would generate a fatigue risk score for each provider–alert pair. It would also attribute the score to specific drivers, such as repeated low-severity results, accumulated alert burden, or recent override patterns. An interpretable fatigue prediction model could enable personalised alert suppression, escalation, or redesign before a clinically important laboratory result is missed. Such a system would support safer, more adaptive clinical decision support.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 25 February 2024 | Article: 85

Machine Learning Model for Forecasting Daily Blood Product Demand in Tertiary Hospitals Using Surgical Schedules, Trauma Admissions, Transfusion History, Oncology Treatment Plans, and Inventory Depletion Patterns
Blood products are critical hospital resources with demand shaped by elective surgery, trauma, oncology treatment, and ongoing transfusion dependence. Volatility in daily use can create simultaneous risks of shortage and expiry-related wastage. Current inventory management often relies on par-level reordering and manual review of limited indicators. Such approaches may not anticipate daily demand shifts arising from multiple clinical drivers at the same time. This article develops a conceptual predictive model for forecasting daily blood product demand in tertiary hospitals. The model integrates surgical schedules, trauma admission patterns, transfusion history, oncology treatment plans, and inventory depletion data. The proposed approach uses time-series regression or gradient-boosted tree modelling trained on historical transfusion and hospital operations data. The model would output expected demand by blood product type for the next 24 hours. Conceptually, the model would provide a daily product-specific demand forecast with uncertainty bounds. It could flag days of expected high use driven by complex surgical lists, trauma activity, or planned oncology transfusion support. The model could support proactive, data-driven blood inventory management. It may help reduce emergency ordering, improve preparedness, and limit avoidable wastage.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 25 February 2024 | Article: 86

Sequence Learning Model for Predicting Specialist Consultation Completion Delays Using Consultation Type, Patient Location, Specialty Workload, Ordering Service, Communication Logs, and Escalation History
Specialist consultation delays are a pervasive source of prolonged inpatient stays and disrupted throughput. They remain difficult to anticipate because delay risk emerges across ordering, communication, workload, and completion steps. A predictive model could support earlier recognition of consults likely to exceed expected completion windows. Existing consultation monitoring often depends on retrospective reports, manual tracking, or informal escalation. These approaches miss the opportunity to intervene while the consultation is still unfolding. A real-time model could convert consult workflow events into actionable delay forecasts. This article proposes a sequence learning model that predicts the probability of specialist consultation completion delay at the time of order entry. The model would refine this probability after each subsequent event, including messages, assignment, escalation, note drafting, and completion. The objective is conceptual model development rather than experimental evaluation. The proposed approach uses an LSTM-, GRU-, or Transformer-based architecture to ingest consultation milestones and static context. Inputs include consultation type, patient location, ordering service, specialty workload, communication logs, and escalation history. The output is a dynamically updated delay probability intended for consult workflow management. Conceptually, the model would identify high-risk consults early, such as a complex weekend consultation for a critically ill patient with no timely response from an overloaded service. It would be expected to support targeted escalation, workload redistribution, and proactive communication. No empirical performance claims are made. A sequence learning model could help hospitals move from passive consultation tracking to proactive delay management. By combining temporal workflow events with operational context, the model could support more timely specialist input and reduce avoidable length-of-stay pressure. Future evaluation should focus on safety, fairness, usability, and workflow impact.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 25 February 2024 | Article: 87

Artificial Intelligence for Clinical Documentation Improvement from 2017 to 2023: A Systematic Review of Natural Language Processing Methods for Coding Accuracy, Note Quality, Billing Support, and Physician Workflow Efficiency
Clinical documentation is central to continuity of care, coding, billing, compliance, and quality measurement, yet it remains a major source of administrative burden for physicians. Artificial intelligence, especially natural language processing, has been proposed as a way to improve documentation quality, coding accuracy, billing support, and clinical workflow efficiency. This systematic review synthesised evidence from 2017 to 2023 on natural language processing methods applied to clinical documentation improvement. The review focused on automated clinical coding, note quality, billing support, computer-assisted physician documentation, and physician workflow efficiency. A PRISMA 2020-compliant search strategy was applied to PubMed, Scopus, IEEE Xplore, and Web of Science for publications from 1 January 2017 to 31 December 2023. Screening was performed in duplicate, and eligible studies were narratively synthesised by documentation domain, model type, deployment maturity, and evaluation approach. The evidence base expanded rapidly during the review period, especially in automated coding and clinical note generation. Several studies reported technically promising systems for ICD coding, documentation summarisation, and speech-derived notes, whereas billing outcomes and sustained workflow effects were less commonly evaluated. Natural language processing for clinical documentation improvement appears most mature for automated coding and note analysis. Evidence for billing support and physician workflow transformation remains less developed, particularly in prospective clinical environments.
Journal of Health Informatics and Digital Systems
Review | Open access | 25 February 2024 | Article: 88

Predictive Analytics for Hospital Resource Allocation: A Review of Machine Learning Models for Bed Management, Staffing Demand, Equipment Use, Diagnostic Capacity, and Patient Throughput
Efficient hospital resource allocation is a persistent operational challenge because demand for beds, staff, equipment, diagnostics, and patient movement changes rapidly. Predictive analytics offers a way to anticipate demand and support more proactive operational decisions. This systematic review synthesised machine learning models applied to hospital resource allocation from 2017 to 2023. The review focused on bed management, staffing demand, equipment use, diagnostic capacity, and patient throughput. A PRISMA 2020-compliant review process was used, including structured searches of PubMed, Scopus, IEEE Xplore, and Web of Science. Screening, extraction, risk-of-bias assessment, and narrative synthesis were conducted to compare model targets, data sources, validation approaches, and implementation maturity. The evidence base was dominated by retrospective studies of patient throughput, emergency department admission prediction, bed demand, and length of stay. Staffing, equipment, and diagnostic capacity forecasting were less frequently represented, while integrated multi-resource command centre models remained uncommon. Machine learning for hospital resource allocation has become technically advanced, but operational translation remains uneven. Most models remained retrospective or locally validated, with limited evidence of prospective deployment, workflow integration, or measurable operational impact.
Journal of Health Informatics and Digital Systems
Review | Open access | 25 February 2024 | Article: 89

Machine Learning for Healthcare Revenue Cycle Analytics: A Systematic Review of Claim Denial Prediction, Coding Automation, Payment Delay Forecasting, and Prior Authorization Support
Revenue cycle inefficiencies, including claim denials, coding errors, delayed reimbursement, and prior authorization workload, impose substantial administrative and financial burdens on healthcare organizations. Machine learning has been proposed as a decision-support approach for improving prediction, automation, and workflow prioritization in these areas. This systematic review examined peer-reviewed and closely related scholarly literature from 2017 to 2023 on machine learning for healthcare revenue cycle analytics. The review focused on claim denial prediction, coding automation, payment delay forecasting, and prior authorization support. A PRISMA 2020-compliant review process was used, including structured database searching, dual screening, and domain-based narrative synthesis. Risk of bias was assessed using criteria adapted from PROBAST-AI, with attention to temporal validation, data leakage, and implementation relevance. The literature showed the greatest maturity in automated clinical coding and emerging but narrower evidence for claim denial prediction. Evidence for payment delay forecasting and prior authorization support was more limited, with few studies describing prospective implementation or measured operational impact. Machine learning shows promise for improving revenue cycle decision support, but most evidence remains retrospective and technically oriented. Deployment is constrained by data fragmentation, explainability requirements, workflow integration, and regulatory caution.
Journal of Health Informatics and Digital Systems
Review | Open access | 25 February 2024 | Article: 90

Artificial Intelligence in Smart Hospital Management: A Systematic Review of Command Centers, Real-Time Workflow Monitoring, Operational Dashboards, and Automated Decision Support Systems
Smart hospitals increasingly combine artificial intelligence, real-time data streams, operational dashboards, and automated decision support to coordinate care delivery. These systems aim to improve hospital throughput, staff efficiency, resource use, and patient safety. This systematic review synthesised evidence on AI technologies used in smart hospital management from 2017 to 2023. The review focused on command centers, real-time workflow monitoring, operational dashboards, and automated decision support systems. A PRISMA 2020-compliant review process was used, including structured database searching, dual screening, and narrative synthesis. Extracted data covered study characteristics, AI methods, deployment maturity, data sources, integration patterns, and reported operational impact. The evidence base was concentrated on hospital command centers, predictive dashboards, and patient-flow analytics. Real-time workflow monitoring and automated decision support were less mature, and prospective evaluations of operational or clinical impact were uncommon. AI-enabled smart hospital management is technologically promising but remains unevenly implemented and weakly evaluated. Current evidence supports cautious adoption, local validation, and stronger evaluation designs before claims of sustained operational transformation are accepted.
Journal of Health Informatics and Digital Systems
Review | Open access | 25 February 2024 | Article: 91

Large Language Model for Automated Summarization of Interdisciplinary Care Team Discussions Using Secure Clinical Meeting Transcripts, Active Problem Lists, Medication Changes, and Discharge Planning Notes
Interdisciplinary rounds, discharge planning meetings, and tumor boards contain high-value clinical reasoning that is often only partially reflected in the medical record. These discussions shape treatment priorities, medication decisions, consult plans, and discharge readiness, yet their verbal and collaborative nature makes them difficult to document comprehensively. Manual summarization of care team discussions requires time, attention, and clinical synthesis that busy clinicians may not have during or immediately after meetings. Existing documentation practices often capture final decisions but omit uncertainty, rationale, task ownership, and evolving care coordination needs. This article proposes a large language model pipeline that could summarize interdisciplinary care discussions using secure meeting transcripts combined with active problem lists, medication lists, and discharge planning notes. The objective is to describe a conceptual architecture for generating accurate, structured, and clinically reviewable summaries of team communication. The proposed approach uses retrieval-augmented generation to ground the language model in structured clinical context while processing a diarized transcript of the care discussion. The model would focus on identifying decisions, medication changes, unresolved issues, discharge barriers, and action items requiring follow-up. Conceptually, the pipeline would generate a note-ready summary with lower hallucination risk because the model is constrained by structured clinical anchors and transcript evidence. It could help distinguish new decisions from repeated background information and convert a documentation-light meeting into a structured clinical artifact. A secure, grounded large language model system could support safer and more complete documentation of interdisciplinary care discussions. By combining transcript evidence with patient-specific structured data, such a system could reduce cognitive burden and improve continuity across clinical teams.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 25 February 2024 | Article: 92

Multimodal Machine Learning Model for Predicting High-Cost Hospital Episodes Using Pharmacy Utilization, Procedure Sequences, Length-of-Stay Trends, Intensive Care Transfers, and Administrative Claims Data
A small fraction of hospital episodes accounts for a disproportionate share of inpatient spending. Early recognition of these episodes remains difficult when risk assessment depends mainly on static admission information. More adaptive prediction is needed to support clinical and financial planning during hospitalization. Existing cost prediction models often emphasize claims, diagnoses, or broad utilization histories while underusing the dynamic signals that emerge during the inpatient stay. Pharmacy utilization, procedure sequencing, length-of-stay progression, and intensive care transfers may reveal escalating resource intensity before the final cost is known. Failure to integrate these modalities limits early identification of high-cost episodes. This article proposes a multimodal deep learning framework for predicting whether a hospitalization could become a high-cost outlier. The model is designed to combine pharmacy utilization, procedure sequences, length-of-stay trends, intensive care transfer events, and administrative claims data. The intended use is dynamic risk estimation early and repeatedly during the episode. The conceptual model uses separate modality-specific encoders for static claims features, temporal procedure events, pharmacy utilization patterns, length-of-stay trajectories, and intensive care transfer indicators. These representations are fused into a shared episode-level embedding trained with a cost-sensitive objective. The framework is intended for evaluation in historical and silent prospective deployment settings without assuming immediate clinical intervention effects. Conceptually, the model would output an updated probability that an active hospitalization will exceed a high-cost threshold. This probability would change as new medication orders, procedures, length-of-stay milestones, and intensive care transfers occur. The output could support utilization review, case management, pharmacy stewardship, and financial counseling workflows. A multimodal deep learning model for high-cost hospital episode prediction could help health systems identify emerging cost outliers before discharge. By combining static claims information with dynamic inpatient trajectories, such a model could support earlier resource allocation and more coordinated care planning. Its value should be assessed through careful validation, calibration, workflow integration, and prospective impact evaluation.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 20 July 2024 | Article: 93

Explainable Artificial Intelligence Model for Detecting Inequitable Specialty Referral Patterns Using Patient Demographics, Insurance Type, Diagnosis Severity, Primary Care Documentation, and Provider Network Structure
Specialty referral pathways are a critical point at which healthcare inequities can emerge. Referral decisions may be shaped by insurance status, race, language, documentation practices, diagnosis severity, and the structure of available provider networks. Health systems often lack scalable and explainable tools for detecting inequitable referral patterns as they occur. As a result, discriminatory or structurally biased patterns may remain hidden within routine clinical operations. This article develops a conceptual explainable artificial intelligence model for identifying whether demographic or insurance factors unduly influence specialty referral decisions after accounting for clinical severity. The model is designed to support transparent, fairness-oriented referral analytics rather than replace clinical judgment. The proposed model uses a gradient-boosted classification framework trained on referral-eligible primary care encounters. Input features include patient demographics, insurance type, diagnosis severity, primary care note-derived complexity and completeness features, and provider network metrics, with SHAP-based explanation layers used for fairness auditing. Conceptually, the model could flag encounters in which predicted referral likelihood diverges from clinically expected patterns. These flags would be interpreted through explanation methods that attribute potential inequitable influence to insurance, demographic, documentation, or network-related factors. The model could help health systems audit, explain, and intervene on systemic specialty referral bias. Its central contribution is a transparent framework for moving referral equity work from retrospective description toward proactive, data-driven fairness review.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 20 July 2024 | Article: 94

Artificial Intelligence Framework for Predicting Medical Equipment Utilization Using Real-Time Location System Data, Procedure Schedules, Maintenance Logs, Unit-Level Demand, and Device Availability Records
Medical equipment shortages and surpluses often coexist in hospitals because utilization is observed after demand has already emerged rather than predicted in advance. Expensive mobile assets may sit idle in low-demand areas while clinicians search for pumps, monitors, beds, ventilators, or imaging-related devices in high-demand units. Current equipment management often depends on manual counts, static par levels, delayed inventory review, and reactive dispatching. These practices do not fully integrate forward-looking signals already present in procedure schedules, unit demand projections, maintenance logs, and device availability records. This article proposes an artificial intelligence framework that ingests real-time location system data, procedure schedules, maintenance logs, unit-level demand forecasts, and device availability records. The framework is designed to generate continuous predictions of equipment utilization and impending shortages across hospital units. The framework includes a real-time location ingestion module, a procedure-schedule demand mapper, a maintenance downtime predictor, a unit-level demand forecaster, a multi-source fusion engine, and an operational decision-support dashboard. These components would convert fragmented hospital data streams into coordinated predictions for equipment planning. The framework would shift equipment management from reactive searching toward proactive allocation. It would be expected to reduce avoidable idle time, improve visibility of available equipment pools, and support earlier decisions about staging, redistribution, maintenance rescheduling, or rental planning. An AI-enabled equipment utilization framework offers a pathway toward a data-driven and anticipatory medical equipment supply chain. Such a framework could help hospitals coordinate scarce assets more effectively in complex, high-pressure clinical environments.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 20 July 2024 | Article: 95

Predictive Model for Identifying Delayed Diagnostic Follow-Up After Abnormal Screening Results Using Patient Portal Messages, Scheduling Attempts, Primary Care Workload, Result Severity, and Reminder History
Failure to follow up after abnormal screening results is a persistent ambulatory safety problem. Because the diagnostic process often spans patient notification, scheduling, primary care review, and reminder outreach, delays may emerge gradually before they become visible in registry reports. Existing care gap reports commonly classify results as closed or open after a defined time window. This retrospective framing limits the ability to detect patients who are currently moving toward delayed diagnostic resolution. The objective of this article is to describe a predictive model that estimates the probability of delayed diagnostic follow-up after an abnormal screening result. The proposed model integrates patient engagement signals, scheduling activity, clinician workload, result severity, and reminder history. The model would use a gradient-boosted classification framework trained on historical abnormal results and longitudinal care-process features. Inputs would be extracted from patient portals, scheduling systems, primary care workload records, laboratory and radiology result metadata, and reminder logs. Conceptually, the model would generate a daily updated risk score for each unreconciled abnormal result. It would also identify the dominant drivers of risk, such as unread portal messages, repeated appointment cancellations, limited primary care availability, high-severity findings, or escalating reminder activity. A predictive approach could shift delayed follow-up management from retrospective audit to proactive prioritization. By identifying patients at greatest risk before the diagnostic window closes, care teams could better allocate outreach and navigation resources.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 20 July 2024 | Article: 96

Deep Learning Model for Predicting High-Risk Transitions of Care Using Discharge Summaries, Medication Reconciliation Records, Follow-Up Appointment Status, Home Support Indicators, and Social Risk Variables
High-risk transitions of care remain a major source of preventable readmissions, emergency department use, medication harm, and post-discharge deterioration. Existing risk tools often simplify the transition period into structured clinical variables and may not fully represent clinical complexity, social vulnerability, medication safety, or home support. Discharge planning commonly depends on generic risk scores, clinician judgment, and incomplete structured fields. These approaches may overlook risk signals embedded in discharge summaries, medication reconciliation records, follow-up plans, case management documentation, and social risk screening. This manuscript proposes a conceptual deep learning model for predicting high-risk transitions of care. The model is designed to fuse discharge summary narratives, medication reconciliation data, follow-up appointment status, home support indicators, and social risk variables into a unified transition risk score. The proposed architecture combines a clinical language encoder for discharge summaries with a structured-data network for medication, follow-up, home support, and social risk features. These representations are integrated through a multimodal fusion layer that would generate a patient-level risk estimate at the point of discharge. Conceptually, the model could identify patients at elevated risk of readmission, emergency department use, or adverse post-discharge outcomes who might be missed by traditional scores. It would also be expected to highlight clinically interpretable risk drivers that could support targeted transitional care planning. A multimodal deep learning model could strengthen precision transitional care by integrating clinical, logistical, medication-related, and social dimensions of risk. Such a model could help discharge teams prioritize intensified interventions for patients most vulnerable to unsafe care transitions.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 20 July 2024 | Article: 97

Interpretable Machine Learning Model for Detecting Clinical Pathway Deviations in Hospitalized Patients Using Order Sequences, Vital Sign Trends, Laboratory Monitoring Frequency, and Provider Decision Patterns
Clinical pathways are designed to standardize inpatient care for common conditions while allowing clinically justified individualization. Deviations from these pathways are frequent and may reflect either appropriate adaptation to patient complexity or potentially harmful departure from evidence-informed practice. Current deviation detection often depends on retrospective audit, static compliance rules, or aggregate dashboards. These approaches can miss subtle temporal drift in care delivery and rarely explain why a specific patient trajectory diverged from the expected pathway. This article proposes an interpretable machine learning model for detecting clinical pathway deviations in hospitalized patients. The model focuses on order sequences, vital sign trends, laboratory monitoring frequency, and provider decision patterns as dynamic indicators of care-process variation. Conceptually, the model would compare each patient’s evolving care trajectory with learned expected pathways using sequence-comparison and outlier-detection logic. SHAP-based or attention-informed explanations would identify the specific features responsible for a deviation flag, such as delayed monitoring, omitted follow-up testing, or unusual ordering behavior. The proposed model could detect when a patient’s care trajectory diverges from an expected pathway and provide a transparent rationale for review. For example, it could flag a missing repeat troponin, a delayed antibiotic escalation, or a laboratory monitoring pattern inconsistent with the patient’s clinical state. An interpretable pathway-deviation model could shift quality monitoring from manual, sample-based review toward continuous and transparent pathway surveillance. Such a system would support real-time clinical awareness, structured audit, and organizational learning.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 20 July 2024 | Article: 98

Artificial Intelligence-Based Home Health Scheduling System Using Patient Acuity, Geographic Routing, Clinician Skill Mix, Visit Duration Estimates, and Risk of Missed Follow-Up Care
Home health agencies must assign clinicians to patients across geographically dispersed service areas while balancing patient needs, workforce qualifications, and operational efficiency. Scheduling decisions must account for clinical urgency, visit complexity, travel burden, and continuity of care. Manual scheduling cannot reliably integrate real-time acuity changes, dynamic travel conditions, clinician availability, and the risk of patients refusing or missing care. As a result, agencies may experience avoidable inefficiencies, delayed visits, fragmented follow-up, and increased coordinator workload. This article proposes an AI-based home health scheduling system that integrates patient acuity, geographic routing, clinician skill profiles, visit duration estimates, and missed-care risk prediction. The system is designed to generate adaptive daily schedules that can be revised as clinical and operational conditions change. The framework includes a patient acuity classifier, visit duration estimator, geographic routing engine, skill-mix matcher, missed-care risk predictor, and real-time scheduling dashboard. These components operate together to support clinically appropriate, geographically efficient, and operationally feasible visit plans. The proposed system would be expected to improve scheduling responsiveness, reduce unnecessary travel, better align clinician competencies with patient needs, and support proactive follow-up for patients at risk of missed care. Its value depends on integration with electronic health records, mobile workflows, coordinator oversight, and transparent decision support. An AI-based home health scheduling system provides a pathway toward a more responsive and coordinated home health operations model. By combining clinical prioritization with routing, workforce matching, and follow-up risk mitigation, such a framework could support both care quality and workforce efficiency.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 20 July 2024 | Article: 99

Machine Learning Model for Predicting Delayed Patient Placement after Emergency Admission Using Bed Assignment Logs, Isolation Needs, Unit Census, Nurse Staffing Levels, and Specialty Service Availability
Emergency admissions frequently wait for inpatient bed placement when hospital capacity, infection control needs, staffing limitations, and specialty-bed requirements collide. These delays can prolong emergency department boarding and disrupt hospital-wide patient flow. Current bed management is often reactive, relying on bed coordinators, charge nurses, manual communication, and local escalation routines. Without a prospective warning system, teams may recognize an impending placement delay only after the admission queue has already stalled. The objective is to develop a machine learning model that predicts, at the time of admission decision, whether a patient is likely to experience delayed placement beyond a defined operational threshold. The model would use bed assignment logs, isolation requirements, unit census, nurse staffing levels, and specialty service availability as core predictors. A supervised classification model based on gradient-boosted trees would be trained on historical emergency admissions and linked operational data. The model would generate a placement delay risk score that can be refreshed as bed status, staffing, and unit conditions change. Conceptually, the model would identify admissions at elevated risk for delayed placement and attribute risk to operational constraints such as limited isolation rooms, high census, low staffing, or unavailable specialty beds. These explanations would give bed managers lead time to intervene before the delay becomes entrenched. This predictive model could shift hospital bed management from a reactive queue-based process to proactive, data-driven placement coordination. It would support earlier escalation, more targeted resource allocation, and improved alignment between emergency admissions and inpatient capacity.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 20 July 2024 | Article: 100
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AI-driven Diagnostics Artificial Intelligence in Health Informatics Artificial Intelligence in Healthcare Big Data in Healthcare Clinical Data Mining Clinical Decision Support Systems Clinical Informatics Computer Vision Connected Health Systems Deep Learning Digital Health Digital Healthcare Innovation Digital Transformation in Healthcare Electronic Health Records Ethical AI in Healthcare Explainable AI Health Data Analytics Health Data Privacy Health Informatics Health Information Management Health Information Systems Health System Optimization Health Technology Assessment Healthcare Data Science Healthcare Informatics Healthcare Information Security Healthcare Management Healthcare Management Information Systems Intelligent Medical Systems Internet of Medical Things (IoMT) Interoperability in Healthcare Systems Machine Learning Medical Data Analytics Medical Data Management Medical Imaging Mobile Health (mHealth) Natural Language Processing Precision Medicine Predictive Analytics Remote Patient Monitoring Smart Healthcare Systems Telemedicine Wearable Health Technologies e-Health




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