摘要经外周穿刺置入中心静脉导管（peripherally in-serted central catheter,PICC）广泛应用于需要长期静脉药物治疗（如抗肿瘤药物治疗和生物药物治疗）、全肠外营养支持以及外周静脉血管条件较差等情况。PICC与中心静脉置管（centralvenouscatheter，CVC）相比，其优势在于能够明显降低由穿刺引起的相关创伤，如气胸、血胸、误穿动脉等；
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