三维斑点追踪成像技术对单纯性肥胖儿童左心室收缩功能的评价及其与外周动脉弹性相关性的前瞻性研究

doi:10.7499/j.issn.1008-8830.2111122

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Abstract Objective To study the application of three-dimensional speckle-tracking imaging in evaluating left ventricular systolic function and its correlation with peripheral arterial elasticity in children with simple obesity. Methods Random sampling combined with convenience sampling was used to obtain research samples, and then the samples were divided into an obesity group (23 cases), an overweight group (21 cases), and a normal group (24 cases). Three-dimensional speckle-tracking imaging was used to measure the global longitudinal strain (GLS), global radial strain (GRS), and global circumferential strain (GCS) of the left ventricle. An automatic arteriosclerosis tester was used to measure ankle-brachial index (ABI) and brachial-ankle pulse wave velocity (baPWV). These parameters were compared among the three groups. The correlation of three-dimensional speckle-tracking parameters with ABI and baPWV was evaluated. Results There were no significant differences in GLS, GRS, and GCS between the obesity and normal groups (P>0.05). The overweight group had a significantly higher GLS than the normal group [(-24±7) vs (-19±12), P<0.05]. The obesity and overweight groups had a significantly lower ABI than the normal group [(1.00±0.09)/(1.09±0.13) vs (2.25±0.13), P<0.05). The obesity group had a significantly higher baPWV than the normal group [(978±109) vs (905±22), P<0.05]. In the children with obesity, GLS was positively correlated with baPWV (r=0.516, P<0.05) , but not correlated with ABI (P>0.05), and GCS and GRS had no significant correlation with ABI or baPWV (P>0.05). Conclusions There are varying degrees of changes in left ventricular systolic function and peripheral arterial elasticity in children with simple obesity, and there is a certain correlation between them.

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	Articles by authors
	ZHOU Li
	WANG Shu-Xia
	WANG Fang
	CAO Wei
	WANG Ting-Ting
	YE Jing-Jing
	NA Li-Sha
	ZHAO Hai-Ping

Key words： Obesity Three-dimensional speckle-tracking imaging Elasticity Correlation Child

Received: 21 November 2021

Cite this article:

ZHOU Li,WANG Shu-Xia,WANG Fang et al. Value of three-dimensional speckle-tracking imaging in evaluating left ventricular systolic function and its correlation with peripheral arterial elasticity in children with simple obesity: a prospective study[J]. CJCP, 2022, 24(5): 566-571.

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http://www.zgddek.com/EN/10.7499/j.issn.1008-8830.2111122 OR http://www.zgddek.com/EN/Y2022/V24/I5/566

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