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[About the HbA1c in the elderly]

Anaïs Farcet1, Géraldine Delalande1, Charles Oliver2

  • 1Pôle gériatrique, Centre gérontologique départemental, Marseille, France.

Geriatrie Et Psychologie Neuropsychiatrie Du Vieillissement
|March 24, 2016
PubMed

Insights

Glycated hemoglobin (HbA1c) reflects average blood glucose over 2-3 months and is key for diabetes control. Target HbA1c levels vary by age and health, with lower targets for healthier individuals to prevent complications.

Area of Science:

  • Endocrinology
  • Metabolic Disorders
  • Clinical Chemistry

Background:

  • Glycated hemoglobin (HbA1c) forms from non-enzymatic hemoglobin glycation, increasing with mean blood glucose.
  • HbA1c assessment is the gold standard for evaluating diabetes control and predicting diabetic complications.

Purpose of the Study:

  • To review the significance of HbA1c levels in diabetes management.
  • To discuss age-specific and health-status-dependent HbA1c targets.
  • To highlight the risk of hypoglycemia despite elevated HbA1c.

Main Methods:

  • Literature review on HbA1c.
  • Analysis of current guidelines for diabetes control.
  • Discussion of age and frailty considerations in glycemic targets.

Main Results:

  • HbA1c levels correlate with diabetic complication development.
  • A target HbA1c below 7% is recommended for most patients.
  • In older adults, particularly those with frailty, relaxed HbA1c targets (8-9%) may be appropriate.
  • Hypoglycemia can occur even with high HbA1c, necessitating glucose monitoring.

Conclusions:

  • Individualized HbA1c targets are crucial, especially in the elderly.
  • Close glucose monitoring is essential to detect hypoglycemia in patients with varying HbA1c levels.
  • Balancing glycemic control and hypoglycemia risk is key in diabetes management.

Keywords:
HbA1cblood glucosediabeteselderly

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