Abstract
Objectives
To evaluate carotid stiffening in participants without conventional cardiovascular risk factors (CVRFs) by using ultrafast pulse wave velocity (ufPWV).
Methods
The present study enrolled 517 participants without conventional CVRFs (CVRF-Free total population). Subjects in this population were defined as current non-smokers with untreated blood pressure < 140/90 mmHg, fasting blood glucose (FBG) < 7.0 mmol/L, total cholesterol (TC) < 6.2 mmol/L, low-density lipoprotein cholesterol < 4.1 mmol/L, and high-density lipoprotein cholesterol ≥ 1.0 mmol/L. Participants in the subgroup with optimal CVRFs (CVRF-Optimal subgroup; n = 188) were defined as having blood pressure < 120/80 mmHg, TC < 5.2 mmol/L, and FBG < 5.6 mmol/L. Clinical interviews, physical examinations, serum draw, carotid intima-media thickness (cIMT), and ufPWV were evaluated. Adjusted odds ratios (ORs) with 95% confidence intervals and ordinal logistic regression models were used.
Results
Carotid stiffening was present in 46.2–54.5% of CVRF-Free subjects. Age, male sex, and body mass index (BMI) were independently associated with carotid stiffening in both the CVRF-Free total population and CVRF-Optimal subgroup (OR for age = 1.10–1.11, OR for male sex = 2.65–7.19, OR for BMI = 1.34–1.62; p < 0.05). Carotid stiffening was associated with TC only in the CVRF-Free total population (OR for TC = 1.84; p = 0.034).
Conclusions
Many CVRF-Free individuals have carotid stiffening. ufPWV for atherosclerotic stiffening aids the assessment of early atherogenesis and may further clarify the true status of healthy adults without CVRFs.
Key Points
• CVRF-Optimal individuals have a lower carotid stiffness than CVRF-Free populations.
• ufPWV is a quantitative predictor for the early assessment of AS.
• Absent major CVRFs cannot be considered low risk for carotid stiffening and atherosclerosis.
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Abbreviations
- ACAMS:
-
Aixplorer cIMT automatic measure system
- ALT:
-
Alanine aminotransferase
- AS:
-
Atherosclerosis
- BMI:
-
Body mass index
- CCA:
-
Common carotid artery
- cfPWV:
-
Carotid-femoral pulse wave velocity
- CI:
-
Confidence interval
- cIMT:
-
Carotid intima-media thickness
- CVRF:
-
Cardiovascular risk factor
- DBP:
-
Diastolic blood pressure
- DICOM:
-
Digital Imaging and Communications in Medicine
- eGFR:
-
Estimated glomerular filtration rate
- ESC:
-
European Society of Cardiology
- FBG:
-
Fasting blood glucose
- HDL:
-
High-density lipoprotein
- IMT:
-
Intima-media thickness
- LDL:
-
Low-density lipoprotein
- OR:
-
Odds ratio
- PESA:
-
Progression of Early Subclinical Atherosclerosis
- PWV:
-
Pulse wave velocity
- PWV-BS:
-
Pulse wave velocity-beginning of systole
- PWV-ES:
-
Pulse wave velocity-end of systole
- ROI:
-
Region of interest
- SBP:
-
Systolic blood pressure
- TC:
-
Total cholesterol
- TG:
-
Triglyceride
- ufPWV:
-
Ultrafast pulse wave velocity
- UUI:
-
Ultrafast ultrasound imaging
- vEDS:
-
Vascular Ehlers-Danlos syndrome
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Funding
This work was supported by the National Natural Science Foundation of China (grant number: 81901756), the Team Project of Jiangsu Provincial Six Talent Peaks (grant number: TD-SWYY-069), the Key Project of Jiangsu Administration of Chinese Medicine (grant number: ZD201906), the Research Project of National Administration of Chinese Medicine (grant number: YB2015020), and the Research of Jiangsu Province Hospital of Chinese Medicine (grant number: Y20044).
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The scientific guarantors of this publication are Hui Huang, M.D. (Department of Ultrasound, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, 210029, China) and Fu-Ming Liu, Ph.D. (Department of Cardiology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, 210029, China).
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The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
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Written informed consent was obtained from all subjects (patients) in this study.
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• performed at one institution
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Zhu, ZQ., Chen, LS., Jiang, XZ. et al. Absent atherosclerotic risk factors are associated with carotid stiffening quantified with ultrafast ultrasound imaging. Eur Radiol 31, 3195–3206 (2021). https://doi.org/10.1007/s00330-020-07405-4
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DOI: https://doi.org/10.1007/s00330-020-07405-4