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. 2021 Mar;44(3):847-849.
doi: 10.2337/dc20-2219. Epub 2020 Dec 23.

Continuous Glucose Monitoring in the Intensive Care Unit During the COVID-19 Pandemic

Shivani Agarwal  1   2 , Justin Mathew  2 , Georgia M Davis  3 , Alethea Shephardson  2 , Ann Levine  2 , Rita Louard  4   2 , Agustina Urrutia  3 , Citlalli Perez-Guzman  3 , Guillermo E Umpierrez  3 , Limin Peng  3 , Francisco J Pasquel  3
Affiliations

Continuous Glucose Monitoring in the Intensive Care Unit During the COVID-19 Pandemic

Shivani Agarwal et al. Diabetes Care. 2021 Mar.

Abstract

Objective: Real-time continuous glucose monitoring (rtCGM) in critically ill hospitalized patients holds promise; however, real-world data are needed.

Research design and methods: We placed Dexcom G6 CGM on intensive care unit (ICU) patients at Montefiore Medical Center with confirmed coronavirus disease 2019 (COVID-19) infection and glycemic variability. We analyzed inpatient CGM accuracy using point-of-care (POC) glucose-CGM matched pairs and included patients for analysis regardless of clinical status.

Results: We included 11 patients with CGM: 8 on continuous insulin infusion (CII), 8 on vasopressors, 8 intubated, 4 on high-dose glucocorticoids, 6 on renal replacement therapy, and 2 with anasarca. Accuracy was 12.58% for mean and 6.3% for median absolute relative difference. CGM reduced POC testing by ∼60% for patients on CII.

Conclusions: In this real-world preliminary analysis of rtCGM during critical illness, we demonstrate early feasibility, considerable accuracy, and meaningful reduction in the frequency of POC glucose testing.

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Figures

Figure 1
Figure 1
Clarke error grid analysis showing the relationship between CGM and POC glucose values in critically ill patients with COVID-19 (n = 11).
See this image and copyright information in PMC

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