Reducing blood culture contamination in an intensive care unit

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In the intervention and postintervention period, 1,597 cultures were obtained and 14 (0.9%) were discarded; 26 (1.6%) of the valid cultures (n = 1,583) contained contaminants” Huang et al (2019).

Extract:

From the total of 4,198 samples collected during the preintervention period, 4.0% (165 of 4,126) cultures were contaminated and 1.7% (72 of 4,198) were discarded. In the intervention and postintervention period, 1,597 cultures were obtained and 14 (0.9%) were discarded; 26 (1.6%) of the valid cultures (n = 1,583) contained contaminants. The BCC rate decreased to 2.9% (14 of 481) in the intervention period and 1.1% (12 of 1,102) in the postintervention period. The postintervention period was statistically significant compared to the preintervention period. There was also an obvious reduction in the rate of discarded specimens from 1.7%-0.9%. Table1 presents comparisons of the pre-, post-, and intervention periods.

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Reference:

Huang, S., Xiao, Q., Xiong, J. and Zou, D. (2019) Reducing blood culture contamination in an intensive care unit through weekly reports and feedback. American Journal of Infection Control. 47(4), p.477-478. DOI: https://doi.org/10.1016/j.ajic.2019.01.013.

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