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Published on: June 11, 2012
[Role of continuous subcutaneous glucose monitoring in intensive care]
Gábor Marics1, Levente Koncz, Anna Körner
1Semmelweis Egyetem, Általános Orvostudományi Kar I. Gyermekgyógyászati Klinika Budapest. marics.gabor@gmail.com
Insights
Close glucose monitoring in intensive care units is crucial. Subcutaneous continuous glucose monitoring (SCGM) offers an alternative, but its reliability in critical care, especially in pediatric patients, requires further investigation due to potential inaccuracies.
Area of Science:
- Critical care medicine
- Endocrinology
- Pediatrics
Context:
- Stress hyperglycemia management in intensive care units (ICUs) has evolved, with strict glycemic control showing mortality benefits.
- However, aggressive glycemic control can lead to hypoglycemia, particularly risky in pediatric patients due to their developing central nervous system.
- Close glucose level monitoring is therefore essential in ICUs.
Purpose:
- To evaluate the utility and limitations of subcutaneous continuous glucose monitoring (SCGM) as an alternative to traditional blood glucose measurements in intensive care settings.
- To assess the reliability of SCGM, specifically the Medtronic system, considering its application in critically ill patients.
Summary:
- While SCGM presents a potential alternative for glucose monitoring in ICUs, its accuracy can be compromised by factors like decreased tissue perfusion, as measurements are taken from interstitial fluid.
- The pediatric population faces a heightened risk of hypoglycemia, making precise glucose monitoring paramount.
- Current data on SCGM reliability in ICUs is insufficient to recommend routine use.
Impact:
- Highlights the need for further research into SCGM's accuracy and reliability in diverse ICU populations, including children.
- Informs clinical practice regarding the current limitations of SCGM in critical care settings.
- Contributes to the ongoing discussion on optimizing glycemic management in intensive care to improve patient outcomes.
Abstract:
Critical care associated with stress hyperglycaemia has gained a new view in the last decade since the demonstration of the beneficial effects of strong glycaemic control on the mortality in intensive care units. Strong glycaemic control may, however, induce hypoglycaemia, resulting in increased mortality, too. Pediatric population has an increased risk of hypoglycaemia because of the developing central nervous system. In this view there is a strong need for close monitoring of glucose levels in intensive care units. The subcutaneous continuous glucose monitoring developed for diabetes care is an alternative for this purpose instead of regular blood glucose measurements. It is important to know the limitations of subcutaneous continuous glucose monitoring in intensive care. Decreased tissue perfusion may disturb the results of subcutaneous continuous glucose monitoring, because the measurement occurs in interstitial fluid. The routine use of subcutaneous continuous glucose monitoring in intensive care units is not recommended yet until sufficient data on the reliability of the system are available. The Medtronic subcutaneous continuous glucose monitoring system is evaluated in the review partly based on the authors own results.
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