Abstract
：Objective To evaluatecommon carotid arterial intima-media thickness (IMT) and elasticity using ultrasoundradio-frequency data (RF-data) technology, the normal values of the related parameterswere determined in healthy adults for their potential clinical applications.Methods Onehundred and sixty healthy adults were included and divided into 4 age groups with 20 malesand 20 females in each group.The quantitative parameters of common carotid arterial IMT,common carotid arterial distensibility (CD),local pulse wave velocity(PWVβ) andstiffness(β) were calculated automatically.The correlations that the IMT, PWVβ and β were correlated positivelywith aging and CD was correlated negatively with between IMT and PWVβ or β, while no correlationbetween IMT and CD.The positive correlation was found correlation between IMT and age ( P＜0.05);In 30～39 and 40～49 years old groups,PWVβ increased and CD decreased with aging;In 50～59years old group,PWVβ and β increased with aging;But in 60～69 years these parameterschanged with aging in subjects＜60 years old.Conclusions RF-data technology couldquantitativly evaluate common carotid arterial IMT and elasticity, the normal values ofthe related parameters were determined with aging,it may be a promising modality to assessthe arterial condition. Key words: Ultrasonography ; Carotid artery, common ; Elasticity; Intima-media thickness D0I:10.3760/cma.j.issn.1004-4477.2010.06.017
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