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多巴酚丁胺、硝酸酯负荷试验^(18)F-FDG双核素心肌代谢显像评价存活心肌的临床意义 被引量:4

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摘要 目的:探讨多巴酚丁胺、硝酸酯负荷试验18F-FDG核素心肌显像在评价存活心肌中的价值。方法:选择40例陈旧性心肌梗死患者作为研究对象,经多巴酚丁胺、硝酸酯负荷试验后行99mTc-MIBI和18F-FDG心肌双核素心肌显像,并与PET心肌代谢显像对比,评价多巴酚丁胺、硝酸酯负荷试验18F-FDG心肌显像存活心肌检出率和与PET心肌代谢显像的符合率。结果:99mTc-MIBI心肌灌注显像示216个节段灌注减低。多巴酚丁胺、硝酸酯负荷试验18FDG-SPECT显像显示216个节段中有121个节段(56%)灌注(代谢)不匹配,提示心肌存活;95个节段(44%)灌注(代谢)匹配,以心肌坏死为主。而18FDG-PET心肌代谢显像显示216个节段中有128个节段(59%)灌注(代谢)不匹配,提示心肌存活;88个节段(41%)灌注(代谢)匹配,以心肌坏死为主。两组比较,18FDG-SPECT显像与18FDG-PET心肌代谢显像存活心肌的检出率差异无统计学意义(χ2=0·8753P≥0·05);216个灌注减低心肌节段中,18FDG-SPECT与18FDG-PET得分符合率93%。18FDG-SPECT显像存活心肌检出与PET显像符合率93·7%,无存活心肌检出率与PET显像符合率为80%,两者具有较好一致性。结论:多巴酚丁胺、硝酸酯负荷试验18F-FDGSPECDISA显像对存活心肌的检出率与FDG-PET显像无明显差别,两者具有很高的符合率。
出处 《广西医科大学学报》 CAS 北大核心 2006年第1期62-63,共2页 Journal of Guangxi Medical University
基金 广西自然科学基金资助课题(No.桂科自013503)
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