门控心肌显像在冠心病诊断及心功能评价中的应用  

The evaluation of ventricular function and diagnostic use of￣(99m)Tc-MIBI gated myocardial imaging in coronary heart disease

作　　者：梁宏[1] 石锐[1] 林增桃[1] 曾世荃[1] 李春亿[1] 

机构地区：[1]中山医科大学第一附属医院

出　　处：《核技术》1994年第11期664-667,共4页Nuclear Techniques

摘　　要：报道了１８例正常人、１１８例冠心病（ＣＨＤ）患者的（９９ｍ）ＴＣ－ＭＩＢＩ心肌显像结果，心肌断层靶心图显示诊断ＣＨＤ的灵敏度达９０．７％，门控心肌图像观察结合左室心肌收缩分数（ＬＶＣＦ）分析其诊断灵敏度为８３．３％；二者特异性相似．探讨了密度法计算ＬＶＣＦ的方法，并与心血池显像的左室射血分数（ＬＶＥＦ）做了相关分析，结果表明：应用密度法计算ＬＶＣＦ重复性好，与左室ＬＶＥＦ具有良好相关，相关系数为０．８６，并能通过回归公式预测。５２例受检者门控心肌显像所观察到的左室室壁运动结果与心血池显像有良好的一致．or the assessment of the diagnostic efficiency of planar gated myocardial scintigraphy(PGMS) and comparison of value of left ventricltun myocardial contraction fraction(LVCF) with that of the ejection fraction(EF), 18 normal subjects and 118 patients with coronary heart disease(CHD) performed 99mTc-MIBI myocardial imaging, including SPECT, PGMS and radionuclide ventriculography (RNV). All LVCF data were correlated to LVEF by RNV. The results showed that the overall sensitivities of SPECT and PGMS for diagnoSing CHD were 90.7% and 83.3% respectively. Similar specificities were found. The reproducibility of Density Method to calculate LVCF which was based on the end systolic increase in myocedial count density was good. The corresPOnding correlation coefficient(r) and the regression equation were: LVCF=0.54× EF+24.21; r=0.86. Segmental wall motion observed by PGMS well conincided with that of RNV.

关 键 词：冠心病 诊断 收缩分数 心肌断层显像 心功能 

分 类 号：R541.404[医药卫生—心血管疾病] R814.4[医药卫生—内科学]