1M itsufuii N, M atsuo K, Kakita S, et al. Extravascular collection of fluid around the vertebra resulting from malpositioning of a peripherally inserted central venous catheter in extrem ely low birth weight infants [ J]. Perinat Med,2002,30(4) :341 -344.
2O' Grady NP, Alexander M, Bums LA, et al. Guidelines for the prevention of intravascular catheter - related infections [ J ]. Am J Infect Control,2011,39(4 Suppl 1 ) :S1-S34.