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Bernadette Luca...

Can anyone direct me to an article that indicates what time frame is used in determining if the CRBSI is related to the insertion process. I have been told 1-2weeks for adults and 72hours for Neonates but I want to have more evidence of this.


I have never seen this

I have never seen this written in those firm terms. What you will find is that catheters inserted for less than a week have more biofilm on the outer catheter surfaces while catheters dwelling for long than a week have more biofilm on the internal surfaces. The skin is the source of organisms (patient and caregiver's skin) producing biofilm within that first week. So s&s of infection at this time would be considered derived from the skin, may or may not be insertion related. After that the most common cause it hub manipulation that leads to intraluminal contamination and biofilom. 


Lynn Hadaway, M.Ed., RN, BC, CRNI

Lynn Hadaway, M.Ed., RN, BC, CRNI

Lynn Hadaway Associates, Inc.

126 Main Street, PO Box 10

Milner, GA 30257


Office Phone 770-358-7861

"Catheter-Related: It's All

"Catheter-Related: It's All About Biofilm" by Marcia Ryder refers to this, and lists some references.  This article uses 10 days - the majority of CLABSI after 10 days are due to intraluminal sources, as Lynn describes.

There are other articles, but this is what I have off the top of my head. 

Mari Cordes, BS RN 

Nurse Educator IV Therapy
Fletcher Allen Health Care, Burlington VT
Educator, Bard Access Systems 

Mari Cordes, BS RNIII VA-BC
Vascular Access Department
University of Vermont Medical Center

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