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A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology
Published on: February 7, 2015
Relationship between thrombin generation and carotid intima-media thickness
H Bernhard1, P Wipfler, B Leschnik
1Division of General Paediatrics, Medical University of Graz, Department of Pediatrics, Auenbruggerplatz 30, 8036 Graz, Austria. wolfgang.muntean@meduni-graz.at
Hamostaseologie
|November 3, 2010
Summary
Thrombin generation, measured by endogenous thrombin potential (ETP), correlates with carotid intima-media thickness (IMT) in healthy adults under 45. This suggests ETP may indicate early atherosclerosis in younger individuals.
Area of Science:
- Cardiovascular Research
- Biochemistry
- Medical Diagnostics
Background:
- Thrombin is increasingly implicated in atherosclerosis progression beyond its role in thrombosis.
- Subclinical atherosclerosis can be assessed using intima-media thickness (IMT).
Purpose of the Study:
- To investigate the relationship between thrombin generation and carotid IMT in asymptomatic individuals.
- To determine if thrombin generation parameters correlate with early signs of atherosclerosis.
Main Methods:
- 163 asymptomatic middle-aged individuals underwent carotid artery ultrasonography to measure IMT.
- Thrombin generation was assessed using calibrated automated thrombography (CAT).
- Participants were stratified into age groups: <45, 45-60, and >60 years.
Main Results:
- A significant positive correlation was observed between endogenous thrombin potential (ETP), time to peak (TTP), and start tail with carotid IMT in healthy volunteers younger than 45 years.
- These correlations were statistically significant (p=0.012 for ETP, p=0.033 for TTP, p=0.007 for start tail).
Conclusions:
- ETP is significantly associated with carotid IMT in adults under 45 years old without clinical atherosclerotic disease.
- ETP may serve as a valuable index for detecting subclinical atherosclerosis in younger populations.
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