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定量组织速度成像[1](QTVI)技术是近年来发展起来的一项新技术,可对左心室壁各节段心肌进行比较客观的速度取样,获得全心动周期的速度图,它可以提供一种快速的评价左心室功能的方法。本研究应用定量组织速度成像技术评价乳腺癌患者新辅助化疗前后左心功能的变化,探讨其临床应用的价值。1资料与方法1.1研究对象2013年11月至2014年12月河南省肿瘤医院收住院的Ⅱb~Ⅲa期乳腺癌患者46
Quantitative Tissue Velocity Imaging [1] (QTVI) is a new technique developed in recent years, which can sample the myocardium of all segments of the left ventricular wall more objectively and obtain the velocity map of the whole cardiac cycle. It can provide a Rapid assessment of left ventricular function. In this study, quantitative tissue velocity imaging was used to evaluate the changes of left ventricular function in patients with breast cancer before and after neoadjuvant chemotherapy, and to explore its clinical value. 1 Materials and Methods 1.1 The object of study November 2013 to December 2014 Henan Provincial Tumor Hospital admitted to hospital Ⅱ b ~ Ⅲ a breast cancer patients 46