4.5 Article

Prediction of Glucose Concentration in Children with Type 1 Diabetes Using Neural Networks: An Edge Computing Application

期刊

BIOENGINEERING-BASEL
卷 9, 期 5, 页码 -

出版社

MDPI
DOI: 10.3390/bioengineering9050183

关键词

diabetes; time-series forecasting; glucose prediction; pediatrics; edge computing; neural network; decision support system; precision medicine; artificial intelligence

资金

  1. POR FESR Lazio [T0002E0001, A0375E0196]

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This study shows that both the Convolutional Neural Network (CNN) and Long Short-Term Memory (LSTM) Recurrent Neural Network models effectively predict glucose levels in pediatric patients with high numerical and clinical accuracy. Implementing these models on edge computing boards, the inference time is suitable for real-time applications, and there is no significant decrease in performance.
Background: Type 1 Diabetes Mellitus (T1D) is an autoimmune disease that can cause serious complications that can be avoided by preventing the glycemic levels from exceeding the physiological range. Straightforwardly, many data-driven models were developed to forecast future glycemic levels and to allow patients to avoid adverse events. Most models are tuned on data of adult patients, whereas the prediction of glycemic levels of pediatric patients has been rarely investigated, as they represent the most challenging T1D population. Methods: A Convolutional Neural Network (CNN) and a Long Short-Term Memory (LSTM) Recurrent Neural Network were optimized on glucose, insulin, and meal data of 10 virtual pediatric patients. The trained models were then implemented on two edge-computing boards to evaluate the feasibility of an edge system for glucose forecasting in terms of prediction accuracy and inference time. Results: The LSTM model achieved the best numeric and clinical accuracy when tested in the .tflite format, whereas the CNN achieved the best clinical accuracy in uint8. The inference time for each prediction was far under the limit represented by the sampling period. Conclusion: Both models effectively predict glucose in pediatric patients in terms of numerical and clinical accuracy. The edge implementation did not show a significant performance decrease, and the inference time was largely adequate for a real-time application.

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