CJCP     2022 24 (5):  566-571    ISSN: 1008-8830  CN: 43-1301/R 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 ZHOU Li, WANG Shu-Xia, WANG Fang, CAO Wei, WANG Ting-Ting, YE Jing-Jing, NA Li-Sha, ZHAO Hai-Ping Department of Cardiac Functions Examination, General Hospital of Ningxia Medical University, Yinchuan 750004, China (Zhao H-P, Email: zhpgj@163.com) Received: 2021-11-21  Revised: null  Online: null Supporting info