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目的：探讨和评价~９９ｍＴｃ－ＭＩＢＩ心肌灌注显像诊断小儿病毒性心肌炎的临床价值。材料与方法：７３例临床诊断为病毒性心肌炎和 ５８例非病毒性心肌炎患儿空腹静息下静脉注射 １１１～７４０ＭＢｑ~９９ｍＴｃ－ＭＩＢＩ，６０ｍｉｎ后行常规体位平面／断层显像。结果；７３例临床确诊病毒性心肌炎患儿中有５０例在不同体位的平面影像（３６例）、断层影像（２例）和平面＋断层影像（１２例）有 １～ ３节段呈花斑样改变，其敏感性为 ６８． ５％。非病毒性心肌炎组 ５８例， ８例有花斑样改变，假阳性率为１３．８％，特异性８６．２％，诊断准确率为７６．３％。结论：~９９ｍＴＣ－ＭＩＢＩ心肌灌注显像不失为，种诊断小儿病毒性心肌炎的简便、无创、经济而又有较高的辅助诊断价值的检查方法。
Objective: To investigate and evaluate the clinical value of ~ 99mTc-MIBI myocardial perfusion imaging in the diagnosis of viral myocarditis in children. MATERIALS AND METHODS: Seventy-three children with viral myocarditis and 58 non-viral myocarditis were infused intravenously at a dose of 111 ~ 740MBq ~ 99mTc-MIBI under fasting rest for 60 minutes and then examined by conventional positron emission tomography. Results: Of the 73 clinically diagnosed patients with viral myocarditis, there were 50 cases of planar images (36 cases) at different positions, 2 cases of lesions and 12 cases of plane + tomography , Its sensitivity is 68. 5%. 58 cases of non-viral myocarditis group, 8 cases of speckle-like changes, the false positive rate was 13.8%, specificity 86.2%, diagnostic accuracy was 76.3%. Conclusion: ~ 99mTC-MIBI myocardial perfusion imaging after diagnosis of children with viral myocarditis is simple, noninvasive, economical and has high diagnostic value of the auxiliary examination.