Objective: To identify the efficacy of ultrasound guided modified Seldinger technique( MST ) assisted peripherally inserted central Yenous catheters( PICC ), thus to provide correct methods of using ultrasound guided MST for PICC. Methods: A nonrandomized controlled trial was conducted during March to November 2011 in our hospital. 435 patients were divided into two groups. The experiment group included 150 patients who received ultrasound guided MST for PICC, while the control group ( n =285 ) accepted the routine PICC. Results: The incidence of complication of PICC in the experiment group was significantly lower than that of control group( P <0. 05 ). The indwelling time of PICC of experiment group was significantly longer than that of control group( P < 0. 05 ). No significant difference was observed of the amount of bleeding and causes of pulling catheter between these two group( P > 0. 05 ). Conclusion: The ultrasound guided MST assisted PICC can reduce the incidence of catheter complication , prolong the indwelling time of PICC catheter as well as reduce the risk of PICC utilization and is worthy to be popularized in clinical practice.%目的:了解超声引导下改良塞丁格穿刺技术(MST)辅助外周静脉置入中心静脉导管(PICC)后临床的使用情况,为MST在中心静脉置管中的正确使用提供参考.方法:采用非随机对照研究法,对我院2011年3月至11月间进行常规PICC置管和采用超声引导下MST辅助置管患者分成两组;采用超声引导下MST辅助技术的患者为实验组,常规穿刺的患者为对照组,比较两组患者导管穿刺时出血情况,留置期间并发症发生情况、留置时间及拔管原因,了解超声引导下MST辅助置入PICC导管的临床使用情况.结果:共纳入435例患者,其中实验组150例,对照组285例,两组并发症发生情况和留置时间差异均具有统计学意义(P＜0.05),实验组并发症发生率低于对照组,导管留置时间较对照组长.而两组置管时出血量和拔管原因比较无统计学意义(P＞0.05).结论:超声引导下改良塞丁格辅助穿刺技术能解决血管条件不佳患者的PICC置管,减少导管并发症,增加导管留置时间,降低PICC导管使用风险,值得在临床中推广应用.
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