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Patterns of Glycemic Variability During a Diabetes Self-Management Educational Program.

Ankur Joshi1, Arun Mitra2, Nikhat Anjum3

  • 1Department of Community and Family Medicine, All India Institute of Medical Sciences (AIIMS), Bhopal 462020 India. ankur.cfm@aiimsbhopal.edu.in.

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Glycemic variability (GV) indices effectively detect glucose fluctuations in type 2 diabetes. A two-week intervention reduced GV in poorly and acceptably controlled groups, highlighting GV

Keywords:
CONGAHBGILBGIMAGEMODDglycemic variability

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Area of Science:

  • Endocrinology
  • Metabolic Diseases
  • Diabetes Management

Background:

  • Glycemic variability (GV) refers to fluctuations in blood glucose levels over time.
  • Elevated GV is linked to increased diabetes-related complications.
  • Understanding GV sensitivity across glycemic control statuses is crucial for diabetes management.

Purpose of the Study:

  • To assess the sensitivity of various glycemic variability (GV) indices.
  • To compare GV indices in individuals with type 2 diabetes mellitus (T2DM) across different glycemic control levels.
  • To evaluate changes in GV following a diabetes self-management education (DSME) program.

Main Methods:

  • A longitudinal study involving T2DM patients in a 2-week DSME program.
  • Participants categorized by HbA1c: poor (≥8%), acceptable (7%-8%), and optimal (<7%) control.
  • Continuous glucose monitoring (CGM) used to measure GV indices including SD, CV, MAGE, CONGA, MODD, HBGI, and LBGI.

Main Results:

  • Higher GV indices (SD, CV, MODD, MAGE, CONGA, HBGI) observed in the poorly controlled group compared to acceptable and optimal groups.
  • A significant reduction in GV was noted in poorly and acceptably controlled groups after the 2-week intervention.
  • An increase in low blood glucose index (LBGI) was observed in the optimally controlled group, suggesting potential risks of overly strict glucose targets.

Conclusions:

  • Glycemic variability indices serve as valuable indicators in diabetes monitoring.
  • Short-term interventions can demonstrably alter glycemic variability.
  • The findings underscore the importance of monitoring GV across all glycemic control levels in T2DM patients.