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目的通过与１８Ｆ脱氧葡萄糖（ＦＤＧ）ＰＥＴ显像对比，探讨２０１Ｔｌ、１２３Ｉβ甲基碘苯脂十五烷酸（ＢＭＩＰＰ）心肌ＳＰＥＣＴ显像在评价存活心肌中的临床价值。方法３１例急性心肌梗塞患者，将其左心室分成９个节段，采用４级目测评分法测定并比较２０１Ｔｌ及１２３ＩＢＭＩＰＰ的聚集（摄取正常＝０，严重减少＝３）。在２０１ＴｌＳＰＥＣＴ所示血流低下部位，定性及定量测定１８ＦＦＤＧ摄取，同时将２０１Ｔｌ、１２３ＩＢＭＩＰＰＳＰＥＣＴ及１８ＦＦＤＧＰＥＴ所见与室壁运动作对比分析。结果血流灌注低下的１１２个节段中，２０１Ｔｌ、１２３ＩＢＭＩＰＰ匹配的节段为４２９％（４８个），不匹配的节段为５７１％（６４个）；且２０１Ｔｌ、１２３ＩＢＭＩＰＰ不匹配节段的９２２％和匹配节段的５２１％（２０１Ｔｌ、１２３ＩＢＭＩＰＰ均为严重缺损者占３３３％），１８ＦＦＤＧＰＥＴ显示有心肌活力。在左室无运动或者反向运动的节段中，１８ＦＦＤＧＰＥＴ判断有活力者为６５６％，２０１Ｔｌ、１２３ＩＢＭＩＰＰＳＰＥＣＴ判断有活力者为５００％。结论联合２０１Ｔｌ、１２３ＩＢＭＩＰＰ心肌ＳＰＥＣＴ判断存活心肌是有用的，但与?
Objective To investigate the clinical value of 201Tl, 123Iβ methyl iodide phenylpentadecanoic acid (BMIPP) myocardial SPECT imaging in the evaluation of viable myocardium by contrast with 18Fdeoxyglucose (FDG) PET imaging. Methods Thirty-one patients with acute myocardial infarction were divided into 9 segments by left ventricle. The visual acuity of grade 4 was measured and the aggregation of 201T1 and 123IBMIPP were compared (uptake normal = 0, severe reduction = 3). 201TlSPECT showed low blood flow sites, qualitative and quantitative determination of 18F FDG uptake, while the 201Tl, 123I MBIPPSPECT and 18F FDG PET findings and wall motion for comparative analysis. Results Among the 112 segments with low perfusion, the matched segments of 201T1 and 123IBMIPP were 429% (48) and the unmatched segments were 571% (64), and those of 201T1 and 123I 922% of MIPPIPP mismatch segments and 521% of matched segments (33.3% of 201Tl and 123IBMIPP were all severely impaired), 18FFGPGET showed myocardial viability. There was no activity in the left ventricle or reverse motion segment, 18F FDGT to determine the viability of 65.6%, 201Tl, 123I MBMPSPSPECT to determine the viability of 50%. Conclusions The combination of 201Tl, 123I-PMIPP myocardial SPECT determination of viable myocardium is useful, but with?