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Glycemic Variability Assessment with a 14-Day Continuous Glucose Monitoring System: When and How Long to Measure MAGE (Mean Amplitude of Glucose Excursion) for Optimal Reliability?

2021; SAGE Publishing; Volume: 16; Issue: 4 Linguagem: Inglês

10.1177/1932296821992060

1932-3107

Bruno Vergès, Elise Pignol, Alexia Rouland, Benjamin Bouillet, S. Baillot-Rudoni, Emilienne Quilot, Abdelmadjid Djeffal, Jean Michel Petit,

Pancreatic function and diabetes

Mean amplitude of glucose excursion (MAGE) is considered as the “gold standard” for assessing the short-term within-day glycemic variability (GV), which is an important component of overall glycemic control. A 14-day continuous glucose monitoring system is now widely used and allows easier assessment of GV. However, it is still unknown whether MAGE, usually calculated on a 48-hour period is identical whatever the time during the 14-day lifespan of the sensor and whether a longer time period might give additional information. We evaluated in 68 patients with type 1 diabetes, MAGE during three 2-day periods (day1-day3; day6-day8; day11-day13) and during periods of 3 days and 4 days. MAGE calculated at the three 2-day periods were identical and not different from MAGE of the 3-day or 4-day periods.