斑点追踪显像评价心脏移植患者左心室收缩及扭转功能  

Evaluation of left ventricular systolic and twist function in patients with heart transplantation using ultrasound speckle tracking imaging

作　　者：潘翠珍[1] 陈昊[2] 舒先红[1] 孙敏敏[1] 朱仕杰[2] 姚豪华[1] 王春生[2] 

机构地区：[1]复旦大学附属中山医院上海市心血管病研究所超声心动图室,上海200032 [2]复旦大学附属中山医院上海市心血管病研究所心外科,上海200032

出　　处：《中华超声影像学杂志》2008年第11期930-933,共4页Chinese Journal of Ultrasonography

摘　　要：目的探讨斑点追踪显像技术评价心脏移植患者左心室收缩及扭转功能的价值。方法应用GE Vivid7彩色多普勒超声显像仪及M3S探头，对9例心脏移植患者和10例正常人采集标准心尖四腔观、心尖二腔观、心尖长轴观以及二尖瓣水平短轴观、乳头肌水平短轴观、心尖水平短轴观图像，应用EchoPAC多参数工作站分析各节段心肌应变、位移及扭转角度。结果9例心脏移植患者在未出现急性或慢性排异反应时，其整体收缩功能正常，但部分节段心肌收缩功能较正常对照组降低，差异有统计学意义（P〈0．05）；部分节段的扭转角度较正常对照组增大，差异有统计学意义（P〈0．05）。结论斑点追踪显像技术能够无创、简单而迅速地评价心脏移植患者左心室收缩功能及扭转功能。Objective To investigate the feasibility of ultrasound speckle tracking imaging（STI） in assessing left ventricular（LV） systolic and twist function in patients with heart transplantation. Methods Nine patients with heart transplantation and 10 subjects with normal LV function were examined by GE Vivid 7 with a M3S probe. Eighteen regional peak systolic strain and displacement in longitudinal, radial, circumferential, and 18 regional degree of rotation were measured respectively. Results T.he segmental regional peak systolic strain and displacement were less than those in subjects with normal LV function（ P 〈0.05） ,but segmental regional degree of rotation was more than that in subjects with normal LV function （P 〈0.05）. Conclusions STI may provide a noninvasive, simple and quick tool for evaluation of left ventricular systolic and twist function in patients with heart transplantation.

关 键 词：超声心动描记术 心脏移植 心室功能 左 斑点追踪显像 

分 类 号：R686[医药卫生—骨科学]