二维斑点追踪成像技术评价射血分数正常的系统性硬皮病患者左心室收缩功能的价值  

Value of two-dimensional speckle-tracking imaging in evaluation of left ventricle systolic function in systemic sclerosis patients with normal ejection fraction

作　　者：胡小涛[1] 魏然[1] HU Xiaotao;WEI Ran(Department of Ultrasound,Shanghai Traditional Chinese Medicine-Integrated Hospital,Shanghai University of Traditional Chinese Medicine,Shanghai 200082,China)

机构地区：[1]上海市中西医结合医院超声科,上海200082

出　　处：《肿瘤影像学》2018年第5期402-405,共4页Oncoradiology

摘　　要：目的:利用二维斑点追踪成像技术(speckle-tracking imaging,STI)评价射血分数正常的系统性硬皮病(systemic sclerosis,SS)患者左心室收缩功能的变化。方法:选择25例在上海市中西医结合医院就诊的SS患者,射血分数在正常范围;另选28例年龄相匹配的正常健康人为对照组。两组先进行常规超声心动图检查,再采用QLab 9.0脱机软件进行分析,得出左心室收缩期整体纵向峰值应变、径向峰值应变及环形峰值应变。结果:SS组与对照组之间传统心超参数指标差异无统计学意义。SS组左心室收缩期整体纵向峰值应变值及环形峰值应变值较对照组低,差异有统计学意义(t=-3.677,P<0.05;t=-3.765,P<0.05),两组整体径向峰值应变值比较差异无统计学意义(t=-1.957,P>0.05)。结论:STI技术能反映SS患者早期左心室壁心肌形变能力,对临床评估SS患者左心室收缩功能有一定的参考价值。Objective:To evaluate the left ventricle systolic function in systemic sclerosis (SSc)patients with normal ejection fraction by two-dimensional speckle-tracking imaging (STI).Methods:Twenty five SSc patients with normal ejection and twenty eight age-comparable healthy cases were enrolled in SS group and control group,respectively.The two groups were examined by traditional echocardiogram.Global longitudinal (GL),global radial (GR)and global circumferential (GC)peak strains were analyzed by QLab 9.0 software after using STI.Results:The GL and GC peak strains in SS group were lower than those in control group.There was a statistical difference between SS group and control group in GL peak strain (t=-3.677,P<0.05)and GC peak strain (t=-3.765,P<0.05),while no statistical difference in GR peak strain (t=-1.957,P>0.05).Conclusion:STI could detect early deformability in the left ventricle myocardium.It is valuable in evaluating the left ventricle systolic function in SSc patients.

关 键 词：二维斑点追踪成像 系统性硬皮病 左心室收缩功能 

分 类 号：R593.25[医药卫生—内科学]