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Hyperglycemia as a cardiovascular risk factor

Steven J Haffner1, Holly Cassells

  • 1Department of Medicine, University of Texas Health Science Center at San Antonio, (SJH), San Antonio, Texas 78229-3900, USA.

The American Journal of Medicine
|December 18, 2003
PubMed

Insights

Preventing type 2 diabetes is crucial for reducing cardiovascular disease risk. Strategies focusing on improved insulin sensitivity, like lifestyle changes and medication, can delay or prevent type 2 diabetes and its associated heart complications.

Area of Science:

  • Cardiology
  • Endocrinology
  • Metabolic Diseases

Background:

  • Type 2 diabetes mellitus significantly elevates coronary heart disease (CHD) risk and mortality.
  • Cardiovascular disease development is multifactorial, with hyperglycemia being one contributing factor.
  • Increased cardiovascular mortality risk exists even before the clinical onset of type 2 diabetes.

Purpose of the Study:

  • To highlight the importance of diabetes prevention for cardiovascular health.
  • To emphasize strategies targeting insulin sensitivity for type 2 diabetes prevention.
  • To explore interventions that reduce the incidence of type 2 diabetes.

Main Methods:

  • Review of epidemiologic data on A1c levels and complications.
  • Analysis of prediabetic states and insulin resistance patterns.
  • Examination of clinical trial data on diabetes prevention interventions.

Main Results:

  • A glycosylated hemoglobin (A1c) level below or equal to 7% is recommended for minimizing diabetes complications.
  • The prediabetic state shows an atherogenic pattern primarily in insulin-resistant individuals.
  • Lifestyle changes and medications (metformin, acarbose, troglitazone) effectively reduce type 2 diabetes incidence.

Conclusions:

  • Preventing type 2 diabetes is a vital strategy for delaying or averting cardiovascular disease.
  • Interventions aimed at improving insulin sensitivity are key for diabetes prevention.
  • Early intervention in at-risk individuals can mitigate future cardiovascular events.

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