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本文报道了２０例陈旧性心梗（ＯＭＩ）、３３例扩张型心肌病（ＤＣＭ）、５６例高血压病（ＨＴ）、１２例肥厚型心肌病（ＨＣＭ）患者和正常对照组４０例心肌超声背向散射参数检查结果。正常组各节段心肌平均ＩＢ％相近，ＣＶＩＢ略有差异。ＯＭＩ梗塞灶、ＤＣＭ和出现并发症的ＨＴ患者（１９／５６）心肌平均ＩＢ％均增大，ＣＶＩＢ均减低或ＩＢＳ曲线形态异常，无并发症的ＥＴＨ患者ＩＢ％、ＣＶＩＢ无显著改变。ＨＣＭ患者ＩＶＳ的ＩＢ％增大，ＣＶＩＢ减低，ＩＶＳ左室侧１／２心肌ＣＶＩＢ大于右室侧１／２；ＬＶＰＷ的ＩＢ％和ＣＶＩＢ与正常组无显著差异。
In this paper, 40 patients with myocardial infarction (OMI), 33 patients with dilated cardiomyopathy (DCM), 56 patients with hypertensive disorder (HT), 12 patients with hypertrophic cardiomyopathy (HCM) Backscatter parameter check results. The mean IB% of normal myocardium in each segment was similar, but CVIB was slightly different. The mean myocardial IB%, CVIB decreased or IBS curve abnormalities in OMI infarction, DCM and HT patients with complications (19/56), respectively. There was no significant change in IB% and CVIB in ETH patients without complications. The IB% of IVS increased and CVIB decreased in HCM patients. The CVVI of left ventricular 1/2 myocardial in IVS was greater than 1/2 in right ventricle. The IB% and CVIB in LVPW were not significantly different from those in normal group.