Objective To study the effectiveness of umbilical vein catheter(UVC) combined with peripherally inserted central catheter(PICC) in the management of very low birth weight infant(VLBWI).

• 目的探讨脐静脉置管(UVC)联合经外周静脉中心静脉导管(PICC)在极低出生体重儿(VLBWI)救治的作用。