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对192例已知或可疑肺栓塞病人行16层CT肺血管成像(MDCTA),使用2种不同浓度的对比剂,以标准化碘注射率(iodine delivery rate,IDR)与总碘负荷注射,比较对血管内碘浓度的影响。A组103例接受148 mL浓度为
A total of 192 patients with known or suspected pulmonary embolism underwent 16-slice CT pulmonary angiography (MDCTA). Two different concentrations of contrast medium were injected at a normalized iodine delivery rate (IDR) Effect of intravascular iodine concentration. A group of 103 patients received 148 mL concentration