• Takuya Hinoue, Tomoaki Yatabe, Himuro Fujiwara, and Osamu Nishida.
• Department of Anesthesiology and Critical Care Medicine, Fujita Health University School of Medicine, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi, 470-1192, Japan.
• J Anesth. 2021 Aug 1; 35 (4): 586-590.

AbstractThe usefulness and safety of continuous glucose monitoring (CGM) systems in adult patients with severe coronavirus disease (COVID-19) have been reported. Using CGM might reduce the exposure patients and healthcare workers to COVID-19 and limit the use of personal protective equipment during the pandemic. CGM devices measure glucose in the subcutaneous interstitial fluid, but the accuracy of this technique has not been established in critically ill patients. The artificial pancreas, STG-55 (Nikkiso, Tokyo), is a closed-loop device that conducts continuous blood glucose monitoring using a peripheral vein. We used the STG-55 for glucose control in a 60-year-old woman with severe COVID-19 admitted to the intensive care unit. Due to severe respiratory failure, the patient was intubated, and extracorporeal membrane oxygenation was introduced. Because she had hyperglycemia despite high-dose intravenous insulin therapy, we decided to use STG-55 for glucose control. The STG-55 safely titrated the insulin infusion and monitored glucose levels. Fifty-six hours after adopting the STG-55, it was removed because the blood sampling failed. No episodes of hypoglycemia were observed despite deep sedation during this period. In conclusion, this case demonstrates the potential utility of an artificial pancreas in patients with severe COVID-19.© 2021. Japanese Society of Anesthesiologists.

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