Journal
COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE
Volume 240, Issue -, Pages -Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.cmpb.2023.107633
Keywords
Mixture density network; Deep neural network; Machine learning; Artificial intelligence; insulin sensitivity; Glycaemic control; Intensive care; STAR
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The STAR protocol is a model-based glycemic control protocol used to treat stress-induced hyperglycemia in ICUs. This study introduces two neural network-based methods for predicting patient insulin sensitivity parameter and compares their accuracy with current model-based predictions. The findings suggest that these methods could be a promising alternative for patient state prediction in model-based clinical treatment.
Model-based glycemic control (GC) protocols are used to treat stress-induced hyperglycaemia in intensive care units (ICUs). The STAR (Stochastic-TARgeted) glycemic control protocol - used in clinical practice in several ICUs in New Zealand, Hungary, Belgium, and Malaysia - is a model-based GC protocol using a patient-specific, model-based insulin sensitivity to describe the patient's actual state. Two neural network based methods are defined in this study to predict the patient's insulin sensitivity parameter: a classi-fication deep neural network and a Mixture Density Network based method. Treatment data from three different patient cohorts are used to train the network models. Accuracy of neural network predictions are compared with the current model-based predictions used to guide care. The prediction accuracy was found to be the same or better than the reference. The authors suggest that these methods may be a promising alternative in model-based clinical treatment for patient state prediction. Still, more research is needed to validate these findings, including in-silico simulations and clinical validation trials. & COPY; 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license ( http://creativecommons.org/licenses/by-nc-nd/4.0/ )
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