二维斑点追踪技术评估颈动脉结构正常的超重老年人群动脉功能的应用价值

doi:10.3969/j.issn.1003-9198.2025.01.013

Abstract

Abstract: Objective To assess the arterial stiffness and arterial strain with two-dimensional speckle tracking imaging (2D-STI) among overweight elderly with normal carotid intima-media thickness (cIMT). Methods A total of 124 elderly aged ≥60 years old who visited Geriatric Hospital of Nanjing Medical University from September 2023 to March 2024 were enrolled and divided into the normal group (BMI<24,n=65) and the overweight group (BMI≥24,n=59) according to the level of BMI, and then the overweight group was divided into cIMT1 group (cIMT≤0.66 mm,n=32) and cIMT2 group (cIMT > 0.66 mm,n=27). The detection of carotid ultrasound and carotid 2D-STI was performed. Results Compared with the normal group, the levels of stiffness index (longitudinal), elastic modulus (longitudinal) and pulse wave velocity (PWV) (longitudinal) were significantly higher (P <0.05), and the levels of radial strain (radial, longitudinal) were significantly lower in the overweight group (P<0.05).The levels of arterial compliance and arterial dilation in cIMT1 group were significantly higher than those in cIMT2 group (P<0.05), and the levels of stiffness index, elastic modulus and PWV in cIMT2 group were higher than those in cIMT1 group (P<0.05). Conclusions In the overweight elderly with normal cIMT, arterial stiffness escalates and stress diminishes. 2D-STI can be utilized to monitor the early alterations in arterial stiffness among the elderly.

Key words: two-dimensional speckle tracking imaging, aged, overweight, carotid arteriosclerosis

CLC Number:

R 445.1

WANG Meijuan, JIANG Xuezhong, WANG Hui, LIU Xiaojing, PANG Huiyan. Application value of two-dimensional speckle tracking imaging in assessing arterial function in overweight elderly with normal carotid artery structure[J]. Practical Geriatrics, 2025, 39(1): 56-60.

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Application value of two-dimensional speckle tracking imaging in assessing arterial function in overweight elderly with normal carotid artery structure

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