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为评价99mTcP357血栓显像对急性肺栓塞的诊断价值及其安全性,对7例疑有急性肺动脉血栓栓塞的患者,经静脉注射99mTcP357,1和2小时后行肺平面及断层显像,并与99mTc大颗粒聚合白蛋白肺灌注显像、肺动脉造影、超高速CT、DSA和螺旋CT对比。结果:4例急性肺栓塞中3例99mTcP357血栓显像阳性,1例溶栓后1个月血栓显像为阴性;另外3例显像结果为阴性,临床诊断分别为慢性肺栓塞、肺血管炎和高血压。初步临床研究表明,99mTcP357对急性肺栓塞的诊断有较大价值。
In order to evaluate the diagnostic value and safety of 99mTc-P357 thrombus imaging in acute pulmonary embolism, seven patients suspected of acute pulmonary thromboembolism were injected intravenously with 99mTc-P357 for 1 and 2 hours, Like, and with 99mTc large aggregated albumin lung perfusion imaging, pulmonary angiography, ultra-high speed CT, DSA and spiral CT contrast. Results: In 4 cases of acute pulmonary embolism, 3 cases of 99mTc-P357 thrombi imaging positive, 1 case of thrombosis after 1 month of thrombolysis was negative; the other 3 cases of imaging results were negative, the clinical diagnosis of chronic pulmonary embolism, lung Vasculitis and high blood pressure. Preliminary clinical studies have shown that, 99mTc P357 diagnosis of acute pulmonary embolism have great value.