Artículo

Evaluation of blood glucose level control in type 1 diabetic patients using deep reinforcement learning

Journal ar
PLoS ONE
  • Volumen: 17
  • Número: 9 September
  • Fecha: 01 septiembre 2022
  • ISSN: 19326203
  • Tipo de fuente: Revista
  • DOI: 10.1371/journal.pone.0274608
  • Tipo de documento: Artículo
  • Editorial: Public Library of Science
© 2022 Viroonluecha et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.Diabetes mellitus is a disease associated with abnormally high levels of blood glucose due to a lack of insulin. Combining an insulin pump and continuous glucose monitor with a control algorithm to deliver insulin is an alternative to patient self-management of insulin doses to control blood glucose levels in diabetes mellitus patients. In this work, we propose a closed-loop control for blood glucose levels based on deep reinforcement learning. We describe the initial evaluation of several alternatives conducted on a realistic simulator of the glucoregulatory system and propose a particular implementation strategy based on reducing the frequency of the observations and rewards passed to the agent, and using a simple reward function. We train agents with that strategy for three groups of patient classes, evaluate and compare it with alternative control baselines. Our results show that our method is able to outperform baselines as well as similar recent proposals, by achieving longer periods of safe glycemic state and low risk.

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