Incidence and risk factors for catheter-associated bloodstream infections in neonatal intensive care
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Dana F J Yumani1, Frank A M van den Dungen, Mirjam M van Weissenbruch
1Division of Neonatology, Department of Paediatrics, VU University Medical Center, Amsterdam, The Netherlands.
Aim:
To determine the incidence and potential novel risk factors for catheter-associated bloodstream infections (CABSI) in neonates.
Methods:
A retrospective study was conducted for infants admitted to the VU University Medical Center neonatal intensive care unit in 2007.
Results:
One hundred and ninety six infants with a total of 369 central catheters were included. The CABSI rate was 18.1 infections/1000 catheter-days (95% CI 13.7-23.8) according to adjusted criteria used by the Centers for Disease Control and Prevention prior to 2008. Umbilical catheters had a higher infection rate than nonumbilical central catheters: rate ratio (rate ratio 2.4, 95% CI 1.2-4.9). Longer umbilical catheter dwell-time also increased infection rate (p < 0.05). Gestational age, birth weight, duration of parenteral nutrition and the administration of all-in-one feeding mixture versus parenteral nutrition administered in separate components were not related to infection rate in multivariate analysis.
Conclusion:
Of all catheter types, umbilical catheters carried the highest infection rate. Longer umbilical catheter dwell-time also increased infection rate. The present data suggest that the impact of gestational age and birth weight on infection rate is mainly due to a prolonged hospital stay. The composition, way of preparation and duration of parenteral nutrition did not seem to influence infection rate.
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