Background: Umbilical ... Portal vein thrombosis (PVT) was determined in 5 cases (%3.04) of 164 infants received umbilical vascular catheterization. The mean duration of catheter placement in ...

The survey instrument was approved by expedited review of our medical center's institutional review board. In November 2000, 311 NICUs having greater than 25 beds were identified from the United ...