Objective: To establish a suitable central vena catheterization method to administer the vena nutrition,CVP monitoring and systematic chemotherapy of tunors in critical patients.

• 目的：探讨内科急危重患者为进行静脉营养，休克救治及中心静脉压监测，肿瘤的系统化疗，建立静脉通路最佳方法选择与术后护理。