磁共振feature tracking初步评价终末期肾病患者心肌形变

发布时间：2018-05-30 05:48

本文选题：磁共振成像 + 特征追踪　；参考：《中国医学影像技术》2016年06期

【摘要】：目的采用心脏磁共振feature tracking(CMR-FT)技术初步分析终末期肾病患者左心室心肌形变各参数的变化情况。方法对10例正常志愿者和9例终末期肾病接受血液透析治疗的患者行1.5T心脏非对比增强、FIESTA序列电影成像,并采用feature tracking(FT)2D模型对左心室运动及整体心肌形变情况进行定量分析。结果终末期肾病患者左心室心肌质量[(132.70±44.44)g]大于正常志愿者[(80.00±11.29)g,P0.05]。终末期肾病患者左心室心肌整体径向应变、环向应变、径向收缩期峰值运动速度、径向舒张期峰值运动速度均低于健康志愿者[(22.52±10.41)%vs(39.46±7.10)%,(-12.57±3.91)%vs(-19.80±2.11)%,(22.70±5.72)mm/s vs(34.77±3.81)mm/s,(-24.71±8.83)mm/s vs(-43.88±8.89)mm/s,P均0.05)。而终末期肾病患者和正常志愿者的左心室射血分数、左心室舒张末期容积、左心室收缩末期容积差异无统计学意义(P均0.05)。结论 CMR-FT技术能够定量评价终末期肾病患者左心室心肌运动及形变情况。
[Abstract]:Objective to analyze the changes of parameters of left ventricular myocardial deformation in patients with end-stage nephropathy by cardiac magnetic resonance (feature) trackingtometry. Methods 10 normal volunteers and 9 patients with end-stage renal disease received hemodialysis. The left ventricular motion and global myocardial deformation were quantitatively analyzed by feature tracking(FT)2D model. Results the myocardial mass of left ventricle in patients with end-stage nephropathy [132.70 卤44.44 g] was higher than that in normal volunteers [80.00 卤11.29 g / g (P0.05)]. The global radial strain, circumferential strain, peak radial systolic velocity and peak radial diastolic velocity of left ventricular myocardium in patients with end-stage nephropathy were all lower than those in healthy volunteers [22.52 卤10.41)%vs(39.46 卤7.10 卤12.57 卤2.11 卤0.70 卤3.81 5.72)mm/s vs(34.77 卤24.71 卤8.83)mm/s vs(-43.88 卤8.89 mm / s P]. However, there was no significant difference in left ventricular ejection fraction, left ventricular end-diastolic volume and left ventricular end-systolic volume between patients with end-stage nephropathy and normal volunteers (P < 0.05). Conclusion CMR-FT technique can quantitatively evaluate left ventricular myocardial movement and deformation in patients with end-stage nephropathy.
【作者单位】：大连医科大学附属第一医院放射科;
【分类号】：R692.5;R445.2

【相似文献】