目的研究经皮中心静脉置管（PCVC）在极低出生体重儿（VLBWI）治疗中的应用。

Objective Report the experience of clinical use of percutaneous central venous catheterization(PCVC) to therapy of very low birthweight infants (VLBWI).

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目的探讨超声引导经皮置管引流治疗重症胰腺炎的护理方法。

Objective To explore the nursing method of ultrasound-guided percutaneous placed tube drainage in the treatment of severe acute pancreatitis.

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目的探讨经皮气管置管术(PDT)的临床疗效及护理对策。

Objective To investigate the clinical effect and nursing strategic of percutaneous dilation trachea cannula (PDT).

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