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. 2023 Oct 1;30(10):1471-1482.
doi: 10.5551/jat.64039. Epub 2023 Feb 11.

Carotid Intima Media Thickness and Risk Factor for Atherosclerosis: Tohoku Medical Megabank Community-Based Cohort Study

Affiliations

Carotid Intima Media Thickness and Risk Factor for Atherosclerosis: Tohoku Medical Megabank Community-Based Cohort Study

Masato Takase et al. J Atheroscler Thromb. .

Abstract

Aim: We examined the association between the carotid intima medica thickness (cIMT) and risk factors for atherosclerosis based on the Japan Atherosclerosis Society 2022 Atherosclerosis Prevention Guideline.

Methods: Using data from the Tohoku Medical Megabank Community-based Cohort Study, we performed a cross-sectional study that enrolled 13,366 participants (age ≥ 20 years) with an analysis of covariance to assess associations between cIMT and risk factors for atherosclerosis. The maximum common carotid artery was measured using high-resolution B-mode ultrasound. Analysis was conducted in the model adjusted for age, sex, smoking status, drinking status, body mass index (BMI), systolic blood pressure (SBP), glycated hemoglobin (HbA1c), high-density lipoprotein-cholesterol (HDL-C), non-high-density lipoprotein-cholesterol (non-HDL-C), and height.

Results: In this study cohort, the average age and cIMT were 57.3 (13.8) years and 0.61 (0.13) mm, respectively, which included 3,988 males (29.8%). Males had a higher cIMT than did the females. Age, height, BMI, SBP, HbA1c, and non-HDL-C were positively associated with cIMT. HDL-C was inversely associated with cIMT. Compared with never drinkers, current drinkers (≥ 46.0 g/day) had a significantly decreased cIMT.

Conclusions: The cIMT was associated with atherosclerosis risk factors including age, sex, BMI, SBP, HbA1c, non-HDL-C, and HDL-C, and adequate control of risks in high-risk individuals might be required to prevent atherosclerotic cardiovascular diseases.

Keywords: Atherosclerosis; Carotid intima media thickness; Epidemiology; Risk factor.

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Conflict of interest statement

There are no conflicts of interest.

Figures

Fig.1. Association between height and cIMT (in the model adjusted for age, sex, smoking status, BMI, SBP, HbA1c, HDL-C, non-HDL-C, and drinking status)
Fig.1. Association between height and cIMT (in the model adjusted for age, sex, smoking status, BMI, SBP, HbA1c, HDL-C, non-HDL-C, and drinking status)
p for difference was derived from Dunnett’s test using height<150 cm as the reference. Bars represent 95% confidence intervals. p for difference showed as following: p<0.05, **p<0.01, ***p<0.001. p for trend was calculated by scoring the height categories and entering the number as a continuous term in the regression model. Abbreviations: BMI, body mass index; cIMT, carotid intima media thickness; HbA1c, glycated hemoglobin; HDL-C, high-density lipoprotein-cholesterol; LS, least square; non-HDL-C, non-high-density lipoprotein-cholesterol; SBP, systolic blood pressure.
Fig.2. Association between SBP and cIMT (in the model adjusted for age, sex, smoking status, BMI, HbA1c, HDL-C, non-HDL-C, drinking status, and height)
Fig.2. Association between SBP and cIMT (in the model adjusted for age, sex, smoking status, BMI, HbA1c, HDL-C, non-HDL-C, drinking status, and height)
p for difference was derived from Dunnett’s test using SBP<100 mmHg as the reference. Bars represent 95% confidence intervals. p for difference showed as following: p<0.05, **p<0.01, ***p<0.001. p for trend was calculated by scoring the SBP categories and entering the number as a continuous term in the regression model. Abbreviations: BMI, body mass index; cIMT, carotid intima media thickness; HbA1c, glycated hemoglobin; HDL-C, high-density lipoprotein-cholesterol; LS, least square; non-HDL-C, non-high-density lipoprotein-cholesterol; SBP, systolic blood pressure.
Fig.3. Association between BMI and cIMT (in the model adjusted for age, sex, smoking status, SBP, HbA1c, HDL-C, non-HDL-C, drinking status, and height)
Fig.3. Association between BMI and cIMT (in the model adjusted for age, sex, smoking status, SBP, HbA1c, HDL-C, non-HDL-C, drinking status, and height)
p for difference was derived from Dunnett’s test using BMI<16.0 kg/m2 as the reference. Bars represent 95% confidence intervals. p for difference showed as following: p<0.05, **p<0.01, ***p<0.001. p for trend was calculated by scoring the BMI categories and entering the number as a continuous term in the regression model. Abbreviations: BMI, body mass index; cIMT, carotid intima media thickness; HbA1c, glycated hemoglobin; HDL-C, high-density lipoprotein-cholesterol; LS, least square; non-HDL-C, non-high-density lipoprotein-cholesterol; SBP, systolic blood pressure.
Fig.4. Association between non-HDL-C and cIMT (in the model adjusted for age, sex, smoking status, BMI, SBP, HbA1c, HDL-C, drinking status, and height)
Fig.4. Association between non-HDL-C and cIMT (in the model adjusted for age, sex, smoking status, BMI, SBP, HbA1c, HDL-C, drinking status, and height)
p for difference was derived from Dunnett’s test using non-HDL<90 mg/dl as the reference. Bars represent 95% confidence intervals. p for difference showed as following: p<0.05, **p<0.01, ***p<0.001. p for trend was calculated by scoring the non-HDL-C categories and entering the number as a continuous term in the regression model. Abbreviations: BMI, body mass index; cIMT, carotid intima media thickness; HbA1c, glycated hemoglobin; HDL-C, high-density lipoprotein-cholesterol; LS, least square; non-HDL-C, non-high-density lipoprotein-cholesterol; SBP, systolic blood pressure.
Fig.5. Association between HDL-C and cIMT (in the model adjusted for age, sex, smoking status, BMI, SBP, HbA1c, non-HDL-C, drinking status, and height)
Fig.5. Association between HDL-C and cIMT (in the model adjusted for age, sex, smoking status, BMI, SBP, HbA1c, non-HDL-C, drinking status, and height)
p for difference was derived from Dunnett’s test using HDL-C<40 mg/dl as the reference. Bars represent 95% confidence intervals. p for difference showed as following: p<0.05, **p<0.01, ***p<0.001. p for trend was calculated by scoring the HDL-C categories and entering the number as a continuous term in the regression model. Abbreviations: BMI, body mass index; cIMT, carotid intima media thickness; HbA1c, glycated hemoglobin; HDL-C, high-density lipoprotein-cholesterol; LS, least square; non-HDL-C, non-high-density lipoprotein-cholesterol; SBP, systolic blood pressure.

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