Accuracy and Feasibility of Real-time Continuous Glucose Monitoring in Critically Ill Patients After Abdominal Surgery and Solid Organ Transplantation
Authors' conclusion
Our study shows clinically applicable accuracy and reliability of Dexcom G6 CGM in postoperative ICU patients and a feasible alternative sensor placement site.
Study context
- Population
- ICU patients after pancreatic surgery or solid organ transplantation (liver, pancreas, islets of Langerhans, kidney)1,546 paired values
- Participants
- 61 patients
- Comparison
- Real-time continuous glucose monitoring (CGM) vs arterial blood glucose as reference
- Outcome
- Feasibility and accuracy of real-time CGM (MARD, bias, modified Bland-Altman plot, surveillance error grid) vs ABL
Performance
As reported in the abstract
Sensor accuracy of real-time CGM vs ABL
- Mean absolute relative difference (MARD)
- 9.4%
- Relative bias
- 1.4%
- Surveillance error grid zone A
- 92.8%
- Surveillance error grid zone B
- 6.1%
- Surveillance error grid zone C
- 1.2%
- Paired glucose values from CGM and ABL
- 1,546
Further findings
Feasibility: active sensor use
- Active sensor use
- 95.1%
Glycaemic control
- Median TIR
- 78%
- Time spent in hypoglycaemia
- <1%
StatStrip glucose meter accuracy vs ABL
- StatStrip MARD
- 5.8%
Original publication
Accuracy and Feasibility of Real-time Continuous Glucose Monitoring in Critically Ill Patients After Abdominal Surgery and Solid Organ Transplantation. Diabetes Care. Published 27 February 2024. doi:10.
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