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[HbA1c: review and recent developments]

M Procopiou1

  • 1Service d'endocrinologie, diabétologie et nutrition Département de médecine HUG, 1211 Genève 14. michel.procopiou@hcuge.ch

Revue Medicale Suisse
|June 21, 2006
PubMed

Insights

Glycated hemoglobin (HbA1c) testing estimates average blood sugar over two months, aiding diabetes management. Accurate HbA1c results require certified methods, considering factors that can affect testing accuracy.

Area of Science:

  • Clinical Chemistry
  • Endocrinology
  • Diabetes Mellitus Research

Background:

  • Elevated blood sugar in diabetic patients increases risks of macrovascular and microvascular complications.
  • Glycated hemoglobin (HbA1c) provides an estimate of average blood glucose levels over the preceding two months.
  • HbA1c testing facilitates monitoring of glycemic control and goal setting for diabetic patients.

Purpose of the Study:

  • To review the significance and recent developments in HbA1c testing.
  • To emphasize the importance of accurate HbA1c measurement for diabetes management.
  • To highlight factors that can influence HbA1c test results.

Main Methods:

  • Review of current literature and established methodologies for HbA1c determination.
  • Emphasis on the use of certified analytical methods under strict quality control.
  • Traceability of results to the Diabetes Control and Complications Trial (DCCT) and UK Prospective Diabetes Study (UKPDS) methods.

Main Results:

  • HbA1c testing is a key tool for assessing long-term glycemic control in diabetes.
  • Accurate HbA1c measurement is crucial for risk reduction of diabetes-related complications.
  • Several factors, including hemoglobin variants, hemolysis, and analytical variability, can interfere with HbA1c results.

Conclusions:

  • Glycemic control, monitored via HbA1c, is essential for mitigating diabetes complications.
  • Standardized and quality-controlled HbA1c testing is paramount for reliable patient management.
  • Awareness of potential interfering factors is necessary for accurate interpretation of HbA1c values.

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