摘要
目的评价二维超声心动图(2DE)法和M型超声心动图(ME)法测量心瓣膜病中重度二尖瓣和(或)主动脉瓣反流(VR)、扩张型心肌病(DCM)和缺血性心肌病(ICM)患者左心室收缩功能相关指标的一致性及其影响因素。方法用2DE和ME同时测量100例左心室扩大患者(VR 35例、DCM 32例和ICM 33例)的左心室舒张末期内径(LVEDD)、左心室舒张末期容积(LVEDV)和左心室射血分数(LVEF),分别记为LVEDD2DE、LVEDDME、LVEDV2DE、LVEDVME、LVEF2DE和LVEFME。结果①患者的LVEDD2DE与LVEDDME、LVEDV2DE与LVEDVME差异有统计学意义,LVEF2DE与LVEFME差异无统计学意义,且具有良好的相关性,r=0.869;②组内比较:3组的LVEDD2DE与LVEDDME差异均有统计学意义,VR组LVEDV2DE与LVEDVME差异无统计学意义,其他两组差异有统计学意义,3组的LVEF2DE与LVEFME差异无统计学意义;③组间比较:LVEDD2DE在DCM组与ICM组之间差异有统计学意义,在VR组与ICM组之间差异也有统计学意义,LVED-DME、LVEDV2DE和LVEDVME有相同的结果,LVEF2DE在3组间差异均有统计学意义,LVEFME在3组间差异也均有统计学意义,2DE和ME法均得到LVEDVVR≈LVEDVDCM>LVEDVICM和LVEFDCM<LVEFICM<LVEFVR的一致结论;④按LVEDD2DE分为<80 mm大左心室组和≥80 mm巨大左心室组,两组的LVEDV2DE与LVEDVME差异有统计学意义,LVEF2DE与LVEFME各组差异无统计学意义。结论二维法和M型超声评价VR、DCM和ICM患者左心室收缩功能的指标中LVEF一致性较好,较少受左心室形状及节段性室壁运动异常的影响。2DE和ME均得出VR组与DCM组左心室增大的程度相近,但LVEF减低的程度却不同,而ICM组左心室增大的程度小于前两组,但LVEF却较VR组减低明显。
Objective To estimate the concordances of left ventricular systolic function indexes obtained by two-dimenssional echocardiography（2DE） and M-mode echocardiography（ME） in the patients with moderate or severe mitral valvular regurgitation and/or aortic regurgitation （VR）, dilated cardiomyopathy （DCM） and ischemic cardiomyopathy（ICM）. Methods A total of 100 patients （VR 35, DCM 32, ICM 33） were performed with 2DE and ME, then LV end-diastolic dimension （EDD）, end-diastolic volumes （EDV） and LV ejection fractions （EF） were attained （marked with LVEDD2DE LVEDDME LVEDV2DE LVEDVME LVEFEDE and LVEFME respectively）. Results ①In all patients, LVEDD2DE and LVEDDME LVEDV2DE and LVEDVME had significant differences; LVEF2DE and LVEFME were the same in statistics, and they had a close linear correlation, r = 0.869. ②Intra-group contrast： LVEDD2DE and LVEDDME were different in 3 groups, LVEDV2DE and LVEDVME were the same in group VR, but different in two other groups; there was no significant difference between LVEF2DE and LVEFME in three groups. ③Inter-group contrast： LVEDD2DE was different between group DCM and group ICM, and between group VR and group ICM, and so were LVEDDME LVEDV2DE and LVEDVME LVEF2DE was different significantly among groups, and so was LVEFME. It was showed that the same results from two methods, which were LVEDVVR≈ LVEDVDCM 〉 LVEDVICM and LVEFDCM 〈 LVEFICM 〈 LVEFVR ④According to LVEDD2DE the patients were divided into large LV group （〈 80 mm） and great LV group（≥ 80 mm）; in both groups, LVEDV2DE and LVEDVME were different, and LVEF2DE and LVEFME were the same in statistics. Conclusion The LVEF from two methods shows less variances, which is less influenced by LV size and regional wall motion abnormality. The LV sizes close to each other in group VR and group DCM, but the declined extent of LVEF are different, while LV size in group ICM is smaller than that in two other groups, but LVEF in group ICM is less than that in group VR. e
出处
《生物医学工程与临床》
CAS
2009年第3期214-217,共4页
Biomedical Engineering and Clinical Medicine
关键词
超声心动描记术
二维
M型超声心动图
左心室扩大
左心室收缩功能
chocardiography, two-dimensional
M-mode echocardiography
enlarged left ventricular
left ventricular systolic function
