First Accuracy and User-Experience Evaluation of New Continuous Glucose Monitoring System for Hypoglycemia Due to Hyperinsulinism
Authors' conclusion
The reduction in mean absolute relative difference and over-read error and the improvement in hypoglycemia detection implies that the G7 is a safer and more useful device in the management of hypoglycemia for patients with HI. Accuracy, while improved from previous devices, remains suboptimal with 40% of hypoglycemia episodes not detected.
Study context
- Population
- Patients with congenital hyperinsulinism (HI)
- Participants
- 10 patients
- Comparison
- Dexcom G7 vs Dexcom G6 continuous glucose monitoring (CGM)
- Outcome
- Mean absolute relative difference (vs paired self-monitoring blood glucose (SMBG))
Performance
As reported in the abstract
P < 0.001
Further findings
Over-read error (Bland Altman +1.96 SD)
Hypoglycemia detection · improvement with G7
P < 0.001
User experience · end of two-month study period
- Families reported an overall preference for the G7
Safety
- Families highlighted concerns about high sensor failure rates
Original publication
First Accuracy and User-Experience Evaluation of New Continuous Glucose Monitoring System for Hypoglycemia Due to Hyperinsulinism. J Diabetes Sci Technol. Published 14 April 2024. doi:10.
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