经外周静脉穿刺中心静脉置管（Peripherally inserted central catheter，简称 PICC）是一种静脉注射方法，医务人员在患者肘部附近的外周静脉处刺入医用导管，并将导管伸入到靠近心脏部位的上腔静脉，之后导管要留置在患者身体内达3个月。这一静脉注射方法于1975年首次提及[1]。对于需要长期静脉输液的病人来说，有了经外周静脉穿刺中心静脉置管这一技术后医务人员就不用每日多次反复对病人进行静脉注射和穿刺，这样可以减轻患者的痛苦。[2][3]
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