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Clinical Vocabulary Alignment at Scale: A Formal Harmonization Theory for Cross-System Procedure Code Mapping
The rapid proliferation of heterogeneous electronic health record (EHR) systems has exacerbated challenges in achieving seamless interoperability, particularly in the alignment of clinical vocabularies for procedure code mapping across disparate platforms. This conceptual manuscript introduces a formal harmonization theory tailored to large-scale clinical environments, emphasizing theoretical constructs for vocabulary alignment without reliance on empirical data or model evaluations. Grounded in systems architecture principles, we propose the vocabulary harmonization orchestration lattice (VHOL), a novel framework comprising layered modules for semantic mapping, contextual reconciliation, and governance oversight. VHOL integrates feedback topologies to mitigate alignment drifts theoretically, incorporating interpretive formulas for risk propagation and decision confidence in cross-system interactions. By synthesizing literature on clinical AI architectures, healthcare analytics infrastructures, and interoperability frameworks, this theory addresses gaps in procedure code harmonization, offering architectural blueprints for scalable deployment. The framework’s unique lattice structure facilitates modular integration into EHR ecosystems, enhancing theoretical robustness against vocabulary discrepancies. Implications extend to improved decision support pipelines and governance in multi-system healthcare settings, fostering a unified semantic foundation for procedure representations. This work advances conceptual discourse on clinical vocabulary management, providing a scalable theoretical lens for future infrastructural innovations in healthcare analytics.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 January 2022 | Article: 7

Constraint-Aware Hospital Staffing Forecasting: A Resilience-Oriented Modeling Framework for Workforce Stability
In the dynamic landscape of healthcare delivery, hospital staffing represents a critical operational pillar susceptible to multifaceted constraints, including regulatory mandates, resource limitations, and unforeseen disruptions. This conceptual manuscript introduces a resilience-oriented modeling framework designed to enhance workforce stability through constraint-aware forecasting mechanisms. By integrating architectural principles from clinical AI systems, healthcare analytics infrastructures, and electronic health record (EHR) intelligence ecosystems, the framework addresses the interplay between predictive analytics and governance constraints in hospital environments. It proposes a layered architecture that incorporates feedback topologies for adaptive decision support, emphasizing theoretical constructs for risk propagation and resource allocation without empirical validation. Drawing on peer-reviewed literature, the synthesis highlights interoperability frameworks and workflow integration models that inform the framework’s design. Key interpretive formulas capture decision confidence under constraints and monitoring burdens in staffing prognostics. The architecture promotes theoretical resilience by orchestrating data exchange and AI governance, offering a blueprint for stable workforce management in constrained clinical settings. This work contributes to conceptual advancements in AI-driven healthcare systems, advocating for infrastructural robustness amid operational volatilities. Ultimately, it underscores the need for constraint-sensitive approaches to foster sustainable staffing equilibria in hospitals.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 January 2022 | Article: 8

Diagnostic Delay as a Sequence-Detectable Phenomenon: A Time-to-Action Modeling Framework for Preventable Harm Identification
Diagnostic delay remains a leading source of preventable harm across healthcare systems. Yet, it is rarely modelled as the temporally ordered sequence of missed or deferred actions that it truly is. This conceptual systems paper reframes diagnostic delay as a sequence-detectable phenomenon and introduces a novel architectural response: the time-to-action sequence detection and mitigation architecture (TASDMA). TASDMA integrates clinical AI system architectures, EHR intelligence ecosystems, and real-time decision support pipelines into a single governance-ready infrastructure that continuously monitors care sequences, forecasts delay propagation, and triggers time-bounded actions before harm accrues. Drawing exclusively on peer-reviewed literature, the framework synthesises advances in healthcare analytics infrastructures, interoperability frameworks, and AI governance without empirical training or performance claims. Three interpretive equations formalise risk propagation, decision confidence decay, and governance load under sequence drift. The architecture is presented as a five-layer, closed-loop orchestration model with bidirectional feedback topology specifically engineered for deployment within existing EHR ecosystems. By shifting the analytic focus from static risk scores to dynamic sequence surveillance, TASDMA offers a theoretical foundation for next-generation clinical decision support that treats time itself as the primary therapeutic variable. The manuscript delineates the infrastructural, interoperability, and governance requirements for safe, equitable scaling across diverse care delivery environments.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 January 2022 | Article: 9

Governance-First Clinical Trial Eligibility Pre-Screening: A Responsible Automation Framework for Risk-Bounded Recruitment
The integration of artificial intelligence (AI) into healthcare systems has revolutionized clinical processes. Yet, the deployment of AI for clinical trial eligibility pre-screening remains fraught with governance challenges, particularly in ensuring risk-bounded recruitment. This conceptual manuscript proposes a governance-first automation framework designed to mitigate ethical, operational, and regulatory risks in AI-assisted patient selection for clinical trials. By prioritizing governance mechanisms over algorithmic optimization, the framework establishes a structured architecture that incorporates interoperability standards, real-time monitoring, and decision support pipelines to facilitate responsible automation. Drawing on theoretical insights from clinical AI system architectures and healthcare analytics infrastructures, we outline a layered model that balances automation efficiency with risk containment, emphasizing feedback loops for continuous governance oversight. Key components include risk propagation modeling, interoperability protocols for electronic health records (EHR) integration, and governance load assessments to prevent overburdening clinical workflows. This approach addresses the need for equitable and safe AI deployment in high-stakes environments like clinical trials, where eligibility pre-screening must align with ethical standards and regulatory compliance. Through interpretive formulas capturing risk dynamics and decision confidence, the framework provides a blueprint for healthcare institutions to implement AI-driven recruitment without compromising patient safety or trial integrity. Ultimately, this governance-centric paradigm shifts the focus from mere technological integration to responsible orchestration, fostering trust in AI-enhanced clinical trial ecosystems.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 January 2022 | Article: 10

Medication Reconciliation Intelligence: A Safety-Critical Design Pattern for Detecting Dispense–Order Inconsistencies in Electronic Systems
Medication reconciliation processes in electronic health systems are pivotal for patient safety, yet inconsistencies between dispensed medications and ordered prescriptions remain a persistent challenge, often leading to adverse events. This conceptual manuscript introduces a safety-critical design pattern termed the inconsistency vigilance orchestration network (IVON), an architectural blueprint for intelligent detection of dispense–order mismatches within interoperable healthcare ecosystems. Drawing from clinical AI architectures, healthcare analytics infrastructures, and decision support pipelines, IVON integrates layered intelligence modules to monitor data flows, flag anomalies, and facilitate governance without empirical validation. The framework emphasizes theoretical constructs such as risk propagation models and decision confidence formulas to interpret potential inconsistencies in electronic systems. By synthesizing literature on EHR intelligence ecosystems and interoperability frameworks, we delineate how IVON could theoretically enhance workflow integration, reducing monitoring burdens through adaptive feedback topologies. Key contributions include a unique multi-layer structure encompassing data ingestion, anomaly inference, and reconciliation arbitration, with interpretive formulas capturing governance loads and drift sensitivities. This design pattern advances theoretical discourse on AI governance in medication safety, offering a blueprint for future conceptual explorations in safety-critical healthcare analytics. Ultimately, IVON represents a proactive intelligence paradigm for electronic systems, prioritizing inconsistency detection to bolster clinical decision-making integrity.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 January 2022 | Article: 11

Patient Comprehension as a Quantifiable Construct: A Measurement Framework for Discharge Communication Effectiveness
Patient comprehension of discharge instructions remains a persistent determinant of post-hospital outcomes. Yet, it continues to be treated as a subjective clinical impression rather than a measurable system-level construct. This conceptual systems article reframes patient comprehension as a quantifiable entity amenable to orchestration within existing artificial-intelligence healthcare infrastructures. Drawing exclusively on peer-reviewed architectures for clinical decision support, electronic health record intelligence, interoperability frameworks, and AI governance published, we synthesise the technological and organisational prerequisites for real-time measurement of communication effectiveness at the point of discharge. We introduce the patient comprehension orchestration infrastructure (PCOI), a uniquely layered, closed-loop analytics lifecycle that integrates data harmonisation, comprehension analytics, decision-support pipelines, ethical governance, and adaptive feedback topology. Three interpretive formulas operationalise risk propagation, decision confidence, and governance load, enabling theoretical deployment without empirical claims. The proposed infrastructure advances healthcare analytics from reactive documentation to proactive comprehension assurance, aligning AI system design with patient-centred safety imperatives.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 January 2022 | Article: 12

Referral Networks as Adaptive Learning Systems: A Graph-Theoretic Framework for Modeling Specialist Access Equity
In healthcare systems, referral networks serve as critical conduits for patient access to specialized care, yet inequities in specialist availability often exacerbate disparities in outcomes. This conceptual manuscript introduces a graph-theoretic framework that models referral networks as adaptive learning systems, emphasizing dynamic equity in specialist access. By representing healthcare providers as nodes and referrals as weighted edges, the framework incorporates adaptive mechanisms to learn from historical patterns, adjusting edge weights based on equity metrics such as wait times, geographic distribution, and socioeconomic factors. Theoretical constructs draw from graph theory, including centrality measures and community detection, to simulate network evolution without empirical data. Key innovations include a layered architecture for real-time adaptation, feedback loops for equity optimization, and interpretive formulas capturing risk propagation and decision confidence in referral decisions. The approach addresses interoperability challenges in electronic health records (EHR) ecosystems and clinical workflow integration, proposing governance protocols for AI-driven monitoring. While avoiding performance benchmarks, the framework highlights infrastructural implications for reducing access barriers in diverse clinical settings. Ultimately, this model offers a theoretical foundation for designing equitable, adaptive healthcare infrastructures, fostering discussions on AI governance in referral analytics.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 July 2022 | Article: 13

Transmission Risk Inference in Acute Care Settings: A Contact-Structured Modeling Framework for Preventability Analysis
In acute care settings, where patient interactions and healthcare worker movements create complex contact networks, inferring transmission risks for infectious diseases remains a critical challenge for enhancing preventability. This conceptual manuscript introduces a novel contact-integrated risk evaluation system (CIRES), an AI-driven architectural framework designed to model contact-structured data for analytical inference of transmission pathways and preventability opportunities. Grounded in healthcare analytics infrastructures and clinical decision support pipelines, CIRES orchestrates interoperability across electronic health records (EHR) intelligence ecosystems and workflow integration models to enable theoretical risk propagation assessments without empirical data reliance. The framework incorporates layered modules for contact mapping, risk inference, and governance monitoring, facilitating interpretive formulas that capture decision confidence and resource allocation dynamics. By synthesizing recent advancements in AI governance and deployment systems, this work highlights how contact-structured modeling can theoretically optimize acute care protocols, reduce nosocomial transmission, and inform policy through analytical foresight. Emphasizing ethical interoperability and system resilience, CIRES represents a paradigm for AI-orchestrated preventability analysis, offering insights into scalable infrastructures that align with evolving healthcare demands. This conceptual approach underscores the potential for AI to transform transmission risk management in resource-constrained environments, paving the way for future theoretical explorations in clinical AI architectures.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 July 2022 | Article: 14

Clinical Decision Latency as a Safety Variable: A Temporal Accountability Framework for Detecting Harmful Delays in Care
Clinical decision latency, defined as the temporal interval from the moment actionable clinical data becomes available to the initiation of a corresponding therapeutic or diagnostic action, constitutes an under-recognized yet critical safety variable in contemporary healthcare delivery. Prevailing patient safety paradigms predominantly concentrate on categorical errors of commission or omission while largely treating time as an exogenous operational factor rather than an intrinsic propagative risk element capable of independently driving harm. This conceptual systems article reframes clinical decision latency as a primary, quantifiable, and governable safety variable. It proposes the clinical latency oversight lattice (CLOL)—an original infrastructural framework specifically designed to detect, quantify, assign accountability for, and interrupt harmful temporal delays across care pathways. Drawing on a targeted synthesis of literature that collectively addresses clinical decision support limitations, diagnostic uncertainty propagation, consequences of treatment delays, health IT-induced temporal vulnerabilities, and AI integration challenges, the manuscript argues that latency functions not as mere logistical inefficiency but as a dynamic, modality-sensitive, context-dependent risk multiplier. The CLOL architecture organizes temporal accountability into four interdependent lattice layers linked by a bidirectional feedback topology that enables real-time drift monitoring, explicit actor/system responsibility mapping, safety-variable score propagation, and orchestrated mitigation responses. Three interpretive mathematical expressions capture core dynamics: risk propagation across pathways, exponential decay of decision confidence under accumulating latency, and cumulative governance/monitoring burden. By institutionalizing latency as a traceable safety variable within a closed-loop accountability structure, CLOL offers healthcare analytics and AI system designers a theoretical and architectural foundation for shifting from retrospective error analysis toward prospective temporal harm prevention in high-stakes clinical environments.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 10 July 2022 | Article: 15

Cross-Organizational Health Data Linkage: Methodological Approaches, Bias Pathways, and Validation Standards
The integration of health data across organizational boundaries represents a cornerstone of modern artificial intelligence (AI) applications in healthcare systems and analytics, enabling enhanced predictive modeling, population health management, and personalized interventions. This narrative review synthesizes methodological approaches for cross-organizational data linkage, elucidates pathways through which biases emerge in these processes, and delineates validation standards essential for ensuring reliability and equity in AI-driven healthcare infrastructures. Drawing from literature, we examine how federated learning paradigms facilitate collaborative analytics without direct data sharing, thereby addressing privacy concerns while enabling multi-institutional model training. Approaches such as swarm learning and secure multi-party computation allow for distributed computation on decentralized datasets, mitigating risks associated with centralized repositories. However, such linkages introduce bias pathways, including selection biases arising from heterogeneous data sources, algorithmic amplification of disparities, and confounding factors rooted in demographic underrepresentation. For instance, racial and gender biases embedded in training data can propagate through linked systems, potentially leading to inequitable clinical outcomes. Validation standards are therefore critical to address these challenges, encompassing probabilistic linkage accuracy assessments, privacy-preserving evaluation metrics, and ethical frameworks designed to support fairness auditing. The review also highlights the potential role of blockchain technologies in enabling auditable linkage mechanisms and emphasizes the need for consensus-driven guidelines to standardize validation practices across healthcare ecosystems. In addition, the review integrates systems-level perspectives by framing data linkage as a foundational component of intelligent clinical decision support and closed-loop healthcare systems, where AI-driven analytics inform real-time interventions supported by continuous feedback mechanisms. Through this synthesis, the article underscores the importance of robust and bias-aware linkage methodologies for advancing AI-enabled healthcare analytics. Ultimately, the adoption of rigorous validation protocols can support trustworthy cross-organizational collaborations, reduce disparities, and enhance system resilience across diverse clinical environments. This work positions cross-organizational data linkage as a critical infrastructure for scalable AI healthcare applications and calls for interdisciplinary efforts to align methodological innovation with responsible ethical governance.
Journal of Health Informatics and Digital Systems
Review | Open access | 10 July 2022 | Article: 16

Privacy-Preserving Patient Identity Resolution Across Registries: A Principled Framework for Secure Multi-Source Record Linkage
In the era of digital health transformation, the integration of patient data across disparate registries poses significant challenges to privacy and security, while enabling advanced artificial intelligence (AI) applications in healthcare systems and analytics. This narrative review synthesizes peer-reviewed literature to propose a principled framework for privacy-preserving patient identity resolution in multi-source record linkage. Drawing on advancements in federated learning, homomorphic encryption, and secure multiparty computation, the framework addresses the core tension between data utility for AI-driven clinical analytics and the imperative to safeguard patient confidentiality. We examine how AI techniques facilitate secure linkage of electronic health records (EHRs) without centralized data aggregation, enabling distributed analytics for precision medicine, population health monitoring, and real-time decision support. Key systems-level considerations include architectural designs that incorporate differential privacy mechanisms to mitigate re-identification risks during identity matching processes, such as probabilistic record linkage enhanced by machine learning models. The review highlights integrative approaches where AI models operate on encrypted data silos, preserving linkage accuracy while complying with regulatory standards like HIPAA and GDPR. For instance, multiparty homomorphic encryption allows collaborative identity resolution across registries without exposing raw identifiers, supporting analytics pipelines for disease outbreak tracking and personalized treatment pathways. We discuss closed-loop healthcare systems where resolved identities feed into AI analytics for predictive modeling, such as inferring multimodal latent topics from EHRs to inform clinical outcomes. The framework emphasizes governance layers, including ethical oversight for algorithmic fairness in linkage processes that could exacerbate health disparities. By structuring the synthesis around data ingestion, secure linkage, AI inference, and feedback loops, this review positions privacy-preserving identity resolution as a foundational enabler for scalable AI in healthcare infrastructure. It underscores the need for interdisciplinary integration of computational techniques with clinical workflows to achieve equitable, secure multi-source data utilization. Ultimately, the proposed framework offers a roadmap for deploying AI systems that balance innovation in healthcare analytics with robust privacy protections, fostering trust in digital health ecosystems.
Journal of Health Informatics and Digital Systems
Review | Open access | 10 July 2022 | Article: 17

Medication Safety Analytics in Clinical Systems: Reconciliation Logic, Error Taxonomies, and Deployment Constraints
The integration of artificial intelligence (AI) into healthcare systems has transformed clinical analytics, particularly in improving medication safety through advanced reconciliation processes, structured error taxonomies, and careful deployment strategies. This narrative review examines how AI-driven analytics embedded within clinical infrastructures can reduce medication-related risks in hospital and ambulatory care settings. AI technologies such as natural language processing and machine learning enable automated detection of medication discrepancies by analyzing electronic health records and identifying inconsistencies that may be overlooked by manual review.AI systems also support the classification and prediction of medication errors, including prescribing mismatches and administration failures, allowing clinical decision support systems to identify high-risk prescriptions and support safer prescribing practices. In addition, AI contributes to closed-loop healthcare systems where analytics provide real-time decision support across the data lifecycle, from information ingestion to post-intervention feedback.Despite these benefits, several deployment constraints remain, including data quality limitations, interoperability challenges, and ethical concerns related to bias and governance. These factors highlight the importance of robust system design and transparent AI models to ensure safe and equitable implementation. Furthermore, AI can support standardized error taxonomies and pharmacovigilance through structured analytical frameworks that improve reporting and monitoring of adverse events.Overall, this review positions AI as a central component of adaptive clinical systems capable of strengthening medication safety. However, its effectiveness depends on addressing technical, operational, and regulatory barriers. Continued interdisciplinary collaboration will be essential to refine AI-enabled clinical analytics and support safer, more efficient healthcare systems.
Journal of Health Informatics and Digital Systems
Review | Open access | 10 July 2022 | Article: 18

Deep Learning Model for Predicting Inpatient Fall Events in Medical-Surgical Units Using Nursing Progress Notes, Medication Burden, Mobility Assessment Scores, Bed-Exit Alarm Logs, and Room-Level Environmental Risk Indicators
Inpatient falls in medical-surgical units remain frequent, clinically serious, and difficult to prevent using periodic risk assessment alone. Static scales can support bedside awareness but may miss rapidly changing patient conditions. Existing approaches often fail to integrate nursing narratives, medication burden, mobility scores, bed-exit alarm activity, and room-level environmental hazards. These signals are usually documented in separate systems and are not continuously synthesized into fall risk estimates. This article proposes a multimodal deep learning model to predict the probability of an inpatient fall within the next 24 hours. The model is designed for medical-surgical units and uses both structured and unstructured clinical inputs. The proposed architecture uses a late-fusion design with a clinical text encoder for nursing progress notes and a structured-feature subnetwork for medication burden, mobility assessment scores, alarm logs, and environmental indicators. A final risk-scoring layer would generate a dynamic probability estimate suitable for clinical decision support. Conceptually, the model would produce an updated fall risk score that reflects subtle language cues, recent medication changes, impaired mobility, repeated bed-exit activity, and modifiable room hazards. The score would support continuous surveillance rather than replacing nursing judgment. A multimodal deep learning model could help shift inpatient fall prevention from episodic screening toward continuous, data-driven monitoring. Silent validation and careful workflow integration would be essential before clinical activation.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 25 February 2022 | Article: 66

Explainable Gradient Boosting Framework for Identifying Key Drivers of Delayed Emergency Department Discharge Using Diagnostic Order Completion Times, Bed Availability, Consultant Response Delays, and Patient Acuity Scores
Emergency department discharge delays are a critical operational bottleneck shaped by diagnostic completion intervals, inpatient bed scarcity, consultant responsiveness, and patient acuity. Understanding these drivers in real time is essential for improving flow and reducing avoidable crowding. Current ED analytics often describe aggregate delays after they occur. Clinicians and operational managers therefore lack transparent patient-level tools that indicate which factor is most responsible for a specific delayed discharge episode. This article proposes an explainable gradient-boosting framework for identifying key contributors to delayed ED discharge. The framework focuses on diagnostic order completion times, bed availability, consultant response delays, and patient acuity scores. The proposed framework uses a gradient-boosted tree ensemble trained on historical ED visit data and paired with SHAP-based post-hoc explanations. It is designed conceptually for real-time use with live electronic health record, bed-board, order, and consultation data. Conceptually, the framework would generate both a delay-risk score and an interpretable decomposition of that risk. These explanations could support targeted actions such as expediting a pending diagnostic test, escalating bed-management review, or re-contacting a delayed consultant service. The framework would shift ED discharge management from reactive reporting toward proactive operational decision support. Explainability is positioned as the foundation for clinician trust, workflow alignment, and accountable deployment.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 25 February 2022 | Article: 67

Artificial Intelligence-Based Radiology Operations System for Prioritizing Critical Imaging Reports Using Free-Text Radiology Findings, Order Urgency, Patient Risk Profiles, and Historical Escalation Patterns
Radiology reporting generates critical findings that require urgent communication across increasingly complex clinical workflows. Static worklist triage does not fully exploit report content, patient risk, order context, or prior escalation behaviour. Manual prioritisation and rule-based STAT flags may overlook subtle or unexpected abnormalities embedded in free-text reports. These approaches also fail to adapt to real-time patient vulnerability and institutional communication patterns. This article proposes an AI-based radiology operations framework that continuously extracts clinically actionable findings from narrative reports. The framework fuses those findings with order urgency, patient risk profiles, and historical escalation patterns to support dynamic worklist prioritisation. The system comprises an NLP report analysis module, an urgency-risk fusion engine, a historical escalation learner, a prioritisation decision engine, and a real-time notification dashboard. Each component is designed to support explainable, auditable, and workflow-sensitive prioritisation. The proposed system could reduce delays in acknowledging critical imaging results while balancing radiologist workload. Its value would depend on careful governance, transparent priority justifications, and human-in-the-loop feedback. An adaptive AI-based worklist system offers a pathway toward safer, data-driven radiology operations. By integrating narrative findings, clinical context, and historical escalation behaviour, such a framework could strengthen critical result management.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 25 February 2022 | Article: 68

Predictive Analytics Model for Estimating Same-Day Hospital Discharge Readiness Using Morning Laboratory Results, Active Medication Orders, Vital Sign Stability, Mobility Documentation, and Pending Consultation Status
Hospital discharge delays are costly, disrupt inpatient capacity, and expose patients to avoidable iatrogenic harm. Early identification of patients likely to be ready for discharge could improve patient flow and reduce operational bottlenecks. Current discharge decisions often rely on subjective judgment, fragmented documentation, and sequential review by multiple clinical teams. No single tool routinely integrates the morning snapshot of clinical readiness. This article proposes a predictive model that estimates the probability of same-day discharge readiness by 9 am. The model uses morning laboratory results, active medication orders, vital sign stability, mobility documentation, and pending consultation status. The proposed approach is a supervised classification model using gradient-boosted trees trained on historical inpatient encounters. Features would be assembled from electronic health record data available before morning rounds. Conceptually, the model would generate a calibrated discharge readiness list for clinical review. This list could help care teams focus on borderline patients and support bed-management forecasting. The model could accelerate discharge throughput while maintaining safety by surfacing hidden readiness signals. It is intended to complement, not replace, clinical judgment.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 25 February 2022 | Article: 69

Temporal Neural Network for Forecasting Operating Room Procedure Duration Using Surgical Procedure Codes, Surgeon-Specific Historical Performance, Anesthesia Records, Patient Comorbidity Profiles, and Real-Time Intraoperative Event Logs
Operating room procedure duration is central to scheduling efficiency, resource utilisation, staff coordination, and perioperative safety. Inaccurate forecasts can create idle capacity, overtime, delayed starts, cancellations, and avoidable strain across surgical services. Conventional estimates often rely on surgeon judgment, historical averages, or static regression models. These approaches do not fully account for evolving intraoperative conditions or the temporal structure of surgical progress once a case has begun. This article develops a conceptual temporal neural network for forecasting procedure duration before incision and updating the expected completion time during surgery. The model is designed to combine static case information with sequential intraoperative event logs. The proposed architecture uses procedure codes, surgeon-specific historical performance, anesthesia records, patient comorbidity profiles, and timestamped operative events. A recurrent neural network based on LSTM or GRU principles would update a remaining-time distribution as new events occur. Conceptually, the model could provide an initial duration estimate and then refine that estimate as the case progresses. For example, it would be expected to revise completion time upward when a laparoscopic case converts to an open procedure or when unexpected bleeding is recorded. A temporal duration-forecasting model could improve operating room coordination, reduce avoidable waiting, and support more responsive perioperative decision-making. Its value would depend on careful validation, workflow integration, and transparent communication to clinical teams.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 20 July 2022 | Article: 70

Smart Hospital Artificial Intelligence System for Predicting Nurse Call Button Demand Using Patient Acuity Levels, Room Location, Prior Call Frequency, Time-of-Day Patterns, and Unit Staffing Ratios
Nurse call buttons are a core communication channel through which hospitalised patients request assistance, reassurance, symptom support, and routine care. When call demand is high, nurses may experience overload, interruptions, and competing priorities that delay responses to urgent needs. Current approaches to call demand management are largely reactive and shift based. They often overlook rapid fluctuations driven by patient acuity, prior call behaviour, room geography, time-of-day routines, and staffing conditions. This article proposes a smart hospital AI system for short-term prediction of nurse call button demand at the room or unit-zone level. The framework is conceptual and system oriented, with emphasis on how operational data streams could support proactive nursing workflow decisions. The system includes a patient acuity scoring module, call history learner, circadian pattern analyser, room-location spatial modeller, staffing-ratio adjuster, and real-time demand forecasting dashboard. Together, these components would translate fragmented operational signals into interpretable demand forecasts. The proposed system would support proactive allocation of nursing resources by identifying rooms or zones likely to generate elevated call demand. It could also guide anticipatory rounding, help reduce avoidable non-urgent calls, and support more balanced workload distribution. A demand-driven nursing workflow would move smart hospital operations beyond reactive response to patient-initiated requests. Predictive nurse call intelligence offers a pathway toward more responsive, equitable, and resilient inpatient care.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 20 July 2022 | Article: 71

Interpretable Random Forest Model for Predicting Diagnostic Test Overuse in Outpatient Clinics Using Visit Type, Physician Ordering History, Patient Complexity, Prior Test Results, and Guideline-Based Appropriateness Indicators
Diagnostic test overuse in outpatient settings contributes to wasteful spending and may expose patients to unnecessary downstream testing, anxiety, and treatment cascades. Common examples include low-value imaging, repetitive laboratory testing, and routine preoperative or annual tests without clear clinical indication. Existing approaches often rely on manual review, retrospective measurement, or rigid rule-based filters. These approaches may miss context-sensitive overuse shaped by visit type, clinician habit, patient complexity, and recent test history. This manuscript proposes an interpretable random forest model that predicts whether a diagnostic test order could represent overuse. The model integrates visit-level, physician-level, patient-level, prior-result, and guideline-based appropriateness features. The proposed model would use historical outpatient orders labelled through appropriateness criteria or expert review. SHAP-based explanations would be used to make each prediction interpretable to clinicians and quality leaders. Conceptually, the model would estimate an overuse probability and identify the relative contribution of physician ordering history, patient complexity, prior results, visit type, and guideline indicators. These explanations would support targeted feedback rather than opaque surveillance. An interpretable random forest model could function as a personalised overuse screening tool within clinical decision support. Its value would depend on transparent explanations, careful guideline alignment, and thoughtful integration into outpatient workflows.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 20 July 2022 | Article: 72

Machine Learning Model for Predicting Missed Medication Doses in Long-Term Care Facilities Using Medication Complexity, Resident Dependency Scores, Staff Availability, Administration Route, and Shift-Level Workload Data
Missed medication doses in long-term care facilities compromise resident safety and arise from intersecting medication, resident, staffing, route, and workload factors. These risks are especially important where residents have complex regimens and high care dependency. Current medication safety approaches in long-term care are often retrospective, audit-based, or broadly applied across all residents. They do not forecast which specific resident–medication pass combinations are most vulnerable before administration occurs. The objective is to describe a predictive model that could estimate the probability of a missed medication dose for each resident–medication pass combination. The model would use medication complexity, resident dependency, staff availability, administration route, and shift-level workload indicators. A supervised classification approach could be trained using electronic medication administration records, staffing rosters, resident assessment data, and medication order characteristics. The model would output a dose-level missed-dose risk score before the relevant medication pass. Conceptually, the model would identify high-risk medication–resident–shift triples and provide an interpretable explanation of dominant risk contributors. For example, the system could flag a non-oral high-risk medication scheduled during a low-staffed morning medication round. Such a model could support proactive prevention by directing nursing attention toward the most vulnerable doses before they are missed. It could also inform shift-level workload planning and safer medication pass organization.
Journal of Health Informatics and Digital Systems
Original Research | Open access | 20 July 2022 | Article: 73
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