MSCTA与高压注射器匹配的应用探讨

Application study on MSCTA matching with using high-pressure mechanical injector

目的探讨多层螺旋CT血管造影(MSCTA)技术与高压注射器应用的匹配问题。方法选取720例(年龄18～85岁,平均60.2岁;男465例,女255例)作CT检查的患者,使用Siemens公司SOMATOMSensation 64层螺旋CT扫描机及德国Ulich高压注射器和优维显370mgI/ml浓度的非离子型对比剂静脉团注,观察CT的影像效果。结果高压注射器与MSCTA扫描的合理匹配可取得良好的影像效果。结论正确熟练掌握高压注射器,使MSCTA扫描时间和团注速度、剂量相匹配有助于提高影像诊断疾病的准确性。

Objective To investigate the operating matching problems of multi-slice spiral computed tomography angiography （MSCTA） and using high-pressure mechanical injector in multi-slice spiral computed tomography （MSCT）. Methods Seven hundred and twenty cases aged from 18 to 85 were studied. The average age was 60. 2 years. In these cases, 465 cases were male and 255 cases were female. SOMATOM sensation 64-slice spiral CT, ulich hlgh-pressure mechanical injector and 370 mgL/ml uhravist for injection were used. Results Good imaging quality can be achieved when high-pressure mechanical injector was employed reasonably during MSCTA. Conclusion Skillful mastering of operating high-pressure mechanical injector and matching MSCTA scanning time with injection speed and dose are very helpful to raise the accuracy of clinical diagnosis.