声学造影对比心血池核素评价老年人左心室收缩功能

摘要

Objective To assess the contrast echocardiography in the evaluation of left ventricular systolic function with cardiac radionuclide imaging as the reference method .Methods Eighty patients aged 60 years or above with LV endocardial borders obscure at least two segments ,were injected SonoVue echocardiographic contrast agent . Theleft ventricular ejection fraction was measured before and after the contrast echocardiography ,and compared with radionuclide.Results Left ventricular ejection fraction was (64.30 ±6.45)% and (72.02 ±4.48)% before and after contrast injection ,respectively.The correlation of radionuclide to before and after contrast echocardiography was 0.39 and 0.82.Conclusion Left ventricular contrast echocardiography improves the image quality , which over-comethe underestimated left ventricular ejection fraction by harmonic imaging , and evaluate left ventricular systolic function accurately .%目的：探讨左心室声学造影评价心功能的准确性。方法观察80例至少有两个以上节段心内膜显示不清的60岁以上患者，经静脉注射注射用六氟化硫微泡声学造影剂后，分别测量造影剂应用前后的左室射血分数，与核素心室显像测值相比较。结果静脉注射声学造影剂前后的左室射血分数分别为（64．30±6．45）％和（72．02±4．48）％，造影前后与核素测值的相关性分别为0．39和0．82。结论左心室声学造影改善了谐波成像低估左室射血分数的问题，能够更准确地评价左心收缩功能。