Carotid intima media thickness and cardiometabolic risk associates in Turkish adults
Fahri Halit Besir1, Omer Yazgan, Hakan Ozhan
1Department of Radiology, Medical Faculty, Düzce University, Düzce, Turkey.
Insights
Carotid intima media thickness (CIMT) is a predictor of vascular events. In Turkish adults, age, systolic blood pressure, and smoking are key associates of CIMT, with hypertension also being an independent predictor.
Area of Science:
- Cardiovascular Medicine
- Vascular Biology
- Public Health
Background:
- Carotid intima media thickness (CIMT) is a validated marker for predicting future vascular events.
- Limited data exists on CIMT and its associated risk factors within the Turkish population.
- Understanding these associations is crucial for cardiovascular risk stratification.
Purpose of the Study:
- To investigate carotid intima media thickness (CIMT) in a large cohort of Turkish adults.
- To identify cardiometabolic risk factors associated with CIMT in this population.
- To establish predictors of thickened CIMT for improved cardiovascular risk assessment.
Main Methods:
- A cohort of 2230 Turkish adults (1427 women, 803 men; mean age 49) underwent Doppler Ultrasound for CIMT measurement.
- Statistical analyses included age- and sex-adjusted partial correlation and Receiver Operator Characteristics (ROC) analysis.
- Logistic regression identified independent predictors of thickened CIMT (>0.8 mm).
Main Results:
- Mean CIMT was 0.61 ± 0.19 mm.
- Age and smoking amount were significantly correlated with CIMT after adjustment.
- Hypertension (OR=2.74), systolic blood pressure (OR=1.01), and age (OR=1.11) were independent predictors of high CIMT.
Conclusions:
- Age, systolic blood pressure, and smoking amount are the primary associates of CIMT in Turkish adults.
- Age demonstrated the highest Area Under the Curve (AUC) in ROC analysis for predicting thickened CIMT.
- Hypertension, elevated systolic blood pressure, and advanced age are significant independent predictors of increased CIMT in this population.
Objective:
Carotid intima media thickness (CIMT) is a strong predictor of future vascular events. However, data for Turkish individuals are limited and the association between cardiometabolic risk factors and CIMT has not been studied before.Therefore, we sought to investigate the CIMT and cardiometabolic risk associates in a large cohort of Turkish adults.
Methods And Results:
The study was conducted on 2230 participants (1427 women, 803 men with a mean age of 49). The participants underwent a Doppler Ultrasound examination of CIMT. Mean CIMT was 0.61 +/- 0.19 mm. Age- and sex-adjusted partial correlation analysis revealed that only systolic blood pressure and smoking amount was significantly correlated with CIMT. Receiver operator characteristics (ROC) calculations showed that age had the best area under the curve (AUC = 0.84), smoking had the best sensitivity (86%) and diastolic blood pressure (> 88 mmHg) had the best specificity (74%) in predicting a person with thickened carotid intima media (> 0.8 mm). Independent predictors of thickened carotid intima media were hypertension [(odds ratio (OR) = 2.74; 95% confidence interval (CI) = 1.663-4.53; P value < or = 0.001)], systolic blood pressure [OR = 1.01; 95% CI = 1.002-1.022; P value = 0.022] and age [OR = 1.11; 95% CI = 1.079-1.136; P value < or = 0.001).
Conclusion:
Age, systolic blood pressure and smoking amount (pack/year) were the only age- and sex-adjusted associates of CIMT. Age had the best AUC in ROC analysis predicting thickened carotid artery intima media. Hypertension, systolic blood pressure and age were independent predictors of high CIMT in Turkish adults.
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