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外周静脉置入中心静脉导管(PICC)是指将静脉导管通过外周静脉路径插入上腔静脉并使其导管尖端定位于上腔静脉的深静脉导管置入方法[1],是目前较为先进的静脉穿刺技术。美国静脉输液护理学会(INS)推荐PICC头端应位于患者上腔静脉的中下1/3[2]。目前中国PICC导管置入长度主要通过体表测量确定,并于术后行X线摄片确定导管头端是否位于最佳位置。但由于体表测量的长度只是估计所得,与实际长度存在
Peripheral venous catheterization of the central venous catheter (PICC) refers to the intravenous catheter through the peripheral venous path into the superior vena cava and catheter tip is located in the superior vena cava deep vein catheterization method [1], is currently the more advanced vein Puncture technique. The American Society of Intravenous Infusion Nursing (INS) recommends that the PICC tip be in the middle and lower third of the patient’s superior vena cava [2]. At present, the length of PICC catheterization in China is mainly determined by body surface measurement. X-ray radiography is performed to determine whether the catheter tip is in the best position after surgery. But since the length of the body surface measurement is only estimated income, the actual length exists