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Inpatient flow management represents a critical operational challenge in modern healthcare systems, where inefficiencies in bed allocation, patient throughput, and resource orchestration can lead to overcrowded wards, delayed discharges, and suboptimal care delivery. This conceptual manuscript proposes an original operational analytics scaffold to seamlessly integrate artificial intelligence (AI) into inpatient flow processes, enabling enhanced decision-making without relying on empirical data or performance evaluations. Drawing from theoretical architectures in clinical AI systems, healthcare analytics infrastructures, and decision support pipelines, the scaffold emphasizes modular interoperability, governance mechanisms, and workflow orchestration to address systemic bottlenecks. The framework, termed the Inpatient Flow Orchestration Scaffold (IFOS), comprises layered components for data harmonization, predictive analytics embedding, and adaptive feedback topologies, ensuring alignment with electronic health record (EHR) ecosystems and regulatory frameworks. Conceptual formulas interpret risk propagation through integration layers and governance loads on monitoring systems, highlighting theoretical trade-offs in latency and resource allocation. By synthesizing peer-reviewed literature from 2017 to 2025, this work elucidates the infrastructural prerequisites for AI-driven flow management, including interoperability standards and human-AI interaction dynamics. Ultimately, the scaffold offers a theoretical blueprint for hospitals to conceptualize AI integration, promoting operational resilience and clinical efficiency in inpatient settings without prescriptive implementations. This contribution advances conceptual discourse in AI-integrated healthcare systems, underscoring the need for scaffolded analytics to navigate complex inpatient environments.

Emergency department crowding is a persistent global healthcare challenge linked to longer wait times, increased patients leaving without being seen, worse clinical outcomes, and staff burnout. It also contributes to ambulance diversion and inefficient resource use, worsening hospital operational strain. This systematic review evaluates machine learning models for predicting ED crowding and optimizing patient flow, focusing on input features (e.g., arrival rates, acuity, bed availability) and reported operational outcomes such as waiting times and ambulance delays. A PRISMA-compliant review was conducted across PubMed, Embase, IEEE Xplore, and Scopus. Included studies applied machine learning to ED crowding or patient flow prediction and reported operational or crowding outcomes. Due to heterogeneity, a narrative synthesis was used, and risk of bias was assessed using an adapted tool. Thirty-two studies met inclusion criteria, using classification, regression, time-series, and deep learning models. Common predictors included arrival patterns, occupancy, and bed availability. While predictive performance was generally high, few studies evaluated real-world operational impacts, and most remained retrospective. Although machine learning models demonstrate strong predictive accuracy for ED crowding, evidence of real-world operational benefits remains limited. A clear gap exists between prediction and implementation into clinical workflow and decision-making. Future research should focus on translating predictions into measurable improvements in ED performance.