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A Temporal Convolutional Network with Attention for Sepsis Prediction: A Conceptual Framework for Analyzing High-Frequency Vital Signs in Intensive Care Units
Sepsis is a leading cause of ICU mortality, and early detection is critical for improving patient outcomes. However, existing machine learning models often rely on hourly aggregated data, limiting their ability to capture rapid physiological changes, and frequently lack interpretability, reducing clinical trust and usability. This paper proposes a conceptual framework that integrates Temporal Convolutional Networks (TCNs) with an attention mechanism to analyze high-frequency, minute-level vital sign data for early sepsis prediction. The architecture includes a data input layer, a TCN-based feature extractor with causal dilated convolutions and residual connections, an attention module for identifying clinically relevant time points and variables, and a prediction head that estimates the risk of sepsis within a 6-hour horizon. The proposed approach enables efficient parallel processing, improved temporal sensitivity, and enhanced interpretability compared to recurrent models. While offering advantages in real-time prediction and explainability, challenges remain in handling missing data, ensuring generalizability across ICUs, and minimizing false alarms for clinical deployment.
Journal of Artificial Intelligence for Healthcare Systems
Original Research | Open access | 20 January 2022 | Article: 53

Meta-Learning Framework for Rapid Adaptation of Sepsis Prediction Models across Different Intensive Care Units with Varying Data Availability and Patient Demographics
Sepsis prediction models perform poorly when transferred between ICUs due to demographic and practice variation, leading to substantial performance drops caused by differences in patient populations, admission criteria, and data recording standards, which limits reliable deployment across healthcare systems. Retraining models from scratch requires large labeled datasets that many ICUs lack due to cost, time, and resource limitations, making it difficult for low-resource settings to develop or adopt effective predictive tools. We propose a meta-learning approach that enables rapid adaptation of sepsis prediction models using few-shot local data, leveraging pre-training across multiple ICUs to support fast personalization in new environments. The framework includes meta-training across diverse source ICUs to learn a generalizable initialization and meta-adaptation at the target ICU using only a few gradient updates on limited data, enabling efficient few-shot learning. This approach improves sepsis prediction in low-resource and heterogeneous ICU settings by reducing data requirements and increasing robustness to demographic shifts, supporting more equitable access to AI tools in critical care. The proposed framework enables efficient and fair deployment of sepsis prediction models across diverse ICUs, bridging resource gaps and improving scalability and adaptability of clinical AI systems globally.
Journal of Artificial Intelligence for Healthcare Systems
Original Research | Open access | 20 July 2023 | Article: 74
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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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