目的探讨长期化学治疗患者延长经外周静脉穿刺中心静脉导管(PICC)留置时间的可行性。

Objective To evaluate the feasibility of prolonging the indwelling time of peripherally inserted central catheter (PICC) in patients with long-term chemotherapy.

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目的探讨中心静脉留置导管在血液净化治疗中相关感染的防治与护理要点。

Objective To study the preventive and nursing key points about infection which have related with blood purification by deep vein inserted catheter.

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目的分析中心静脉留置导管功能不良的原因，并探讨中心静脉留置导管功能不良的有效防治措施。

OBJECTIVE To analyze the cause of indwelling catheter dysfunction of general vein, and discuss the effective measssure of management of indwelling catheter dysfunction of general vein.

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