方法回顾性分析65例中心静脉置管建立血管通路及其临床应用，观察置管成功率、导管留置时间、置管相关并发症等。
Methods 65 CVC procedures were performed and the rate of success of CVC, the catheters survival life, complications of catheterization were observed retrospectively.
感染组导管留置时间、胃肠外营养、气管切开、住院时间及费用均高于对照组（P<0.05），白蛋白水平低于对照组（P<0.05）；
Catheter time of infection, parenteral nutrition(PN) rate, tracheotomy rate, hospital stay and costs were higher(P<0.05), albumin level lower than that of the control group(P<0.05);
观察留置时间的长短，以及静脉炎的发生、导管脱出、堵塞等情况。
Observe the length of retention time, as well as the occurrence of phlebitis, catheter extrusion, plug and so on.
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