Intravenous tubing containing burettes can be safely changed at 72 hour intervals
No studies testing the safety of changing intravenous systems containing in-line burettes at 72 hours in an intensive care setting have been performed. Patients entering a medical or surgical intensive care unit were alternatively assigned to have any line with an in-line burette changed at either 48 hour (105 patients) or 72 hour (65 patients) intervals. Daily quantitative cultures with a 2 ml aliquot of burette fluid were obtained. Contaminated burette fluid was detected in 60 of 1181 (5.0%, 95% confidence interval, 3.7% to 6.3%) samples from the burettes changed at 48 hour intervals, and in 40 of 901 (4.4%, 95% confidence interval, 3.0% to 5.8%) samples from 72 hour interval burettes. Significant bacterial contamination of burette fluid, defined as ten or more colonies per milliliter, occurred in only seven (0.6%) cultures from patients in the 48 hour interval group compared with only three (0.3%) cultures in the 72 hour group. None of the contaminated burette fluids was associated with a primary bacteremia. Change of in-line burettes in patients in intensive care at 72-hour intervals is safe and should result in substantial cost savings to hospitals.
Available from: aacn.org
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ABSTRACT: Central venous catheters are often mandatory devices when caring for critically ill children. They are required to deliver medications, nutrition, and blood products, as well as for monitoring hemodynamic status and drawing laboratory samples. Any foreign object that is introduced to the body is at risk for infection. Central venous catheters carry a particularly high risk of infection and these infections can be life threatening. Advanced practice nurses possess the power to influence catheter-related line infections in their critical care units. Understanding current recommendations for catheter material selection, site selection, site preparation, and site care can affect rates of catheter-related bloodstream infections. This article discusses risk factors for developing catheter-related bloodstream infections in critically ill children, as well as measures to decrease incidence of catheter-related bloodstream infections, including a review of recommendations from the Centers for Disease Control and Prevention.
Available from: Alvaro Antonio Bandeira Ferraz
Available from: Claire M Rickard
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