Risk factors for bloodstream infection

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Intravenous literature: Geffers, C., Gastmeier, A., Schwab, F., Groneberg, K., Raden, H. and Gastmeier, P. (2010) Use of Central Venous Catheter and Peripheral Venous Catheter as Risk Factors for Nosocomial Bloodstream Infection in Very Low Birth Weight Infants. Infection Control & Hospital Epidemiology. 31. [Epub ahead of print].

Abstract:

Objective. To describe the relationship between the use of central and peripheral venous catheters and the risk of nosocomial, primary, laboratory-confirmed bloodstream infection (BSI) for neonates with a birth weight less than 1,500 g (very-low-birth-weight [VLBW] infants).

Methods. Cox proportional hazard regression analysis with time‐dependent variable was used to determine the risk factors for the occurrence of BSI in a cohort of VLBW infants. We analyzed previously collected surveillance data from the German national nosocomial surveillance system for VLBW infants. All VLBW infants in 22 participating neonatal departments who had a complete daily record of patient information were included.

Results. Of 2,126 VLBW infants, 261 (12.3%) developed a BSI. The incidence density for BSI was 3.3 per 1,000 patient‐days. The multivariate analysis identified the following significant independent risk factors for BSI: lower birth weight (hazard ratio [HR], 1.1–2.2), vaginal delivery (HR, 1.5), central venous catheter use (HR, 6.2) or peripheral venous catheter use (HR, 6.0) within 2 days before developing BSI, and the individual departments (HR, 0.0–4.6).

Conclusions. After adjusting for other risk factors, use of peripheral venous catheter and use of central venous catheter were significantly related to occurrence of BSI in VLBW infants.


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