Culture Positivity of CVCs Used for TPN: Investigation of an Association with Catheter-Related Infection and Comparison of Causative Organisms between ICU and Non-ICU CVCs.

There was a nonsignificant trend of higher Gram negative Bacilli isolation in ICU CVCs ( P = 0.1), ward CVCs were associated with higher rates of staphylococcal isolation ( P = 0.01).

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The decline in CVC culture positive rates seen ( Table 2 , an estimated reduction of 0.465 on average per year during the study period, P > 0.05) did not reach statistical significance in this study but is likely related to the known significant decline in CRBSI rate in this population ( Table 2 , an estimated reduction of 1.182 on average per year during the study period, P < 0.05) and reflective of the value of a surveillance nurse implementing hygiene and other preventative measures as a probable means of reducing CRBSI [ 21 ].

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