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Related Concept Videos

Pulse rhythm01:30

Pulse rhythm

775
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
775
Hypoglycemia and Glucagon01:15

Hypoglycemia and Glucagon

217
Without prolonged fasting, healthy individuals maintain blood glucose levels above 3.5 mM due to a well-adapted neuroendocrine counterregulatory system that effectively prevents acute hypoglycemia, a potentially life-threatening condition. The primary clinical scenarios for hypoglycemia encompass diabetes treatment, inappropriate production of endogenous insulin or insulin-like substances by tumors, and the use of glucose-lowering agents in non-diabetic individuals. Notably, hypoglycemia in the...
217

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Related Experiment Video

Updated: Jun 15, 2025

Improving IV Insulin Administration in a Community Hospital
12:08

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Continuous Glucose Monitoring in the Intensive Care Unit: A Multicenter, Retrospective Hospital-Based Analysis.

Eileen R Faulds1, Joi C Hester2, Yasaman Badakhshi3

  • 1The Ohio State University College of Nursing, The Ohio State University Wexner Medical Center, Columbus, OH, USA.

Journal of Diabetes Science and Technology
|June 10, 2025
PubMed
Summary

Continuous glucose monitoring (CGM) in intensive care units (ICUs) showed acceptable accuracy in critically ill COVID-19 patients, even during hemodynamic instability. Further studies are needed to confirm these findings.

Keywords:
continuous glucose monitoring (CGM)critical carehospitalinpatientintensive care unit

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Area of Science:

  • Medical Devices
  • Intensive Care Medicine
  • Endocrinology

Background:

  • Limited data exists on continuous glucose monitoring (CGM) use in intensive care units (ICUs).
  • Assessing CGM accuracy during critical illness and hemodynamic instability is crucial for patient management.

Purpose of the Study:

  • To evaluate the accuracy of CGM in intensive care unit (ICU) patients with COVID-19.
  • To examine how hemodynamic instability affects CGM performance in critically ill patients.

Main Methods:

  • A hybrid protocol combining point-of-care (POC) blood glucose testing with intermittent nonadjunctive CGM was used across three ICUs.
  • Sensor-meter agreement was compared during periods of lowest oxygen saturation, PaO2, pH, or MAP.
  • Linear mixed models (LMM) analyzed the impact of clinical conditions on CGM accuracy.

Main Results:

  • Continuous glucose monitoring (CGM) demonstrated good accuracy, with 97.3% of paired measurements falling within acceptable error zones (Clarens zones A and B).
  • Time in range (TIR) varied by hospital, but median time below 70 mg/dL was consistently low (<0.1%).
  • No significant correlation was found between CGM accuracy and lowest PaO2, oxygen saturation, pH, or MAP; however, patients on dialysis showed higher MARD, while those on mechanical ventilation showed lower MARD.

Conclusions:

  • Continuous glucose monitoring (CGM) appears to maintain acceptable accuracy in critically ill COVID-19 patients, even during hemodynamic instability.
  • These preliminary findings suggest CGM can be a reliable tool in the ICU setting.
  • Further confirmatory accuracy studies are warranted to validate these results.