Key result
Higher body mass index was significantly correlated with increased carotid intima-media thickness, with each BMI unit increasing IMT by 0.009 mm (P=0.04).
Why the study?
Do body mass index and other cardiovascular risk factors correlate with carotid artery intima-media thickness and luminal diameter in adults?
Cross-Sectional (n=140)
No
Do body mass index and other cardiovascular risk factors correlate with carotid artery intima-media thickness and luminal diameter in adults?
Cardiovascular risk factors including age, obesity, hypertension, diabetes, and dyslipidemia are significantly correlated with increased carotid intima-media thickness, an early marker of atherosclerosis.
Answers are grounded in this paper and cite their sources.
May aid risk stratification in obese adults; leaves open whether BMI modification alters carotid progression.
OBJECTIVES: This study aimed to examine the correlation between carotid artery intima-media thickness (IMT) and luminal diameter (LD) with body mass index (BMI) and other cardiovascular risk factors. METHODS: This observational cross-sectional study took place between June 2013 and March 2014 in the Radiology Department of Rizgary Teaching Hospital in Erbil, Iraq. Non-randomly selected subjects ≥20 years old (n = 140) were divided into BMI groups and evaluated for the following cardiovascular risk factors: gender, age, hypertension (HTN), diabetes (DM), smoking, alcohol consumption, blood pressure, serum total cholesterol and triglyceride (TG) levels. IMT and LD of the extracranial carotid arteries were measured by B-mode ultrasonography. RESULTS: The mean IMT was 0.8 ± 0.3 mm, ranging from a total mean of 0.7 mm in the normal BMI group to 1.0 mm in the extremely obese group. A significant correlation was found between IMT and BMI (P = 0.04), but not between BMI and LD (P = 0.3). No significant difference in mean IMT or LD was seen between genders. Significant correlations were found between IMT and age, HTN, DM, high serum cholesterol and TG levels (P <0.001). An increase of one BMI unit caused a 0.009 mm increase in IMT and an increase of one year in age caused a 0.011 mm increase in IMT. CONCLUSION: Age, obesity, HTN, DM, high serum cholesterol and TG levels were found to have an impact on carotid IMT, which is a strong marker for the early development of atherosclerosis.
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Rashid et al. (2015) conducted a cross-sectional in Cardiovascular risk factors (n=140). Body mass index and cardiovascular risk factors vs. Normal BMI / lower risk factor levels was evaluated on Correlation between carotid artery intima-media thickness (IMT) and body mass index (BMI) (p=0.04). Higher body mass index was significantly correlated with increased carotid intima-media thickness, with each BMI unit increasing IMT by 0.009 mm (P=0.04).
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