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Relationships between vascular indexes and atherosclerotic risk factors in patients with type 2 diabetes mellitus

Ichiro Wakabayashi1, Hiroshi Masuda

  • 1Department of Environmental and Preventive Medicine, Hyogo College of Medicine, Hyogo, Japan. wakabaya@hyo-med.ac.jp

Angiology
|April 5, 2008
PubMed

Insights

Cardio-ankle vascular index and carotid artery intima-media thickness are strongly linked to blood pressure and cholesterol in type 2 diabetes patients, independent of age. These arterial stiffness indicators offer valuable insights into cardiovascular health.

Area of Science:

  • Cardiovascular Medicine
  • Diabetology
  • Vascular Biology

Background:

  • Arterial stiffness is a significant predictor of cardiovascular events, particularly in patients with type 2 diabetes.
  • Assessing arterial stiffness through various non-invasive indices is crucial for risk stratification.
  • Common carotid artery intima-media thickness (CIMT) and ankle-brachial pressure index (ABI) are established markers, while cardio-ankle vascular index (CAVI) is a newer indicator.

Purpose of the Study:

  • To compare the relationships between CAVI, CIMT, and ABI with traditional atherosclerotic risk factors in type 2 diabetes patients.
  • To investigate the interrelationships among these three vascular indices.
  • To identify independent determinants of CAVI and CIMT in this population.

Main Methods:

  • Cross-sectional study comparing CAVI, CIMT, and ABI in patients with type 2 diabetes.
  • Correlation analyses were performed to assess relationships with age, systolic blood pressure, pulse pressure, and serum total cholesterol.
  • Logistic regression analysis was used to determine independent associations with vascular indices.

Main Results:

  • Significant correlations were observed between all pairs of vascular indices (CAVI, CIMT, ABI).
  • CAVI and CIMT showed significant correlations with age, systolic blood pressure, pulse pressure, and total cholesterol.
  • ABI correlated negatively with pulse pressure but not with systolic blood pressure or total cholesterol.
  • Logistic regression revealed that systolic blood pressure and pulse pressure were independently associated with CAVI and CIMT, irrespective of age.

Conclusions:

  • There are significant inter-associations among CAVI, CIMT, and ABI in type 2 diabetes.
  • Systolic blood pressure and pulse pressure are key, age-independent determinants of CAVI and CIMT.
  • These findings highlight the importance of blood pressure management in mitigating arterial stiffness in diabetic patients.

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