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KMID : 1024020230530040291
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Imaging Science in Dentistry
2023 Volume.53 No. 4 p.291 ~ p.302
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Sonographic assessment of carotid intima-media thickness in healthy young Thai adults
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Wariya Panprasit
Onanong Chai-u-dom Silkosessak
Panida Mukdeeprom
Pornkawee Charoenlarp
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Abstract
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Purpose: Early detection of carotid stenosis can reduce cardiovascular risk. In this study, the maximum-carotid intima- media thickness (CIMT), the mean-CIMT, and the presence of plaque were examined in healthy young Thai adults.
Additionally, correlations between CIMT and cardiovascular risk factors were assessed.
Materials and Methods: Left and right carotid arteries of 302 participants (15-45 years old) were scanned, with CIMT measured at the far walls of the common carotid artery, carotid bulb, and internal carotid artery. Demographics and risk factors were assessed using a questionnaire. Ten random participants were re-scanned after 4 weeks.
Results: The study included 123 (40.70%) male and 179 (59.30%) female participants. The max-CIMT, mean- CIMT, and plaque thickness were 0.400±0.100, 0.403±0.095 and 1.520±0.814 mm, respectively. Male participants had significantly higher CIMT values for nearly all locations and age groups. The right-sided CIMT values were higher for all locations. The carotid bulb had the greatest CIMT values (0.437±0.178 mm), followed by the common (0.403±0.095 mm) and internal (0.361±0.099 mm) carotid arteries. Plaque was present in 18 locations (1.00%), affecting 15 participants (4.97%). These plaques were found in the right carotid bulb (n = 9; 0.50%), left carotid bulb (n = 7; 0.39%), and right internal carotid artery (n = 2; 0.11%). Adjusted multivariable regression revealed significant positive associations between CIMT and male, increased age and “other” occupation (P<0.05).
Conclusion: Both max-CIMT and mean-CIMT were approximately 0.4 mm. Plaque was observed in 4.97% of patients, with an average thickness of 1.5 mm. The most influential risk factors for increased CIMT were sex, age, and occupation.
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KEYWORD
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Carotid Intima-Media Thickness, Heart Disease Risk Factors, Ultrasonography, Young Adult
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