Successful management of a Bacillus cereus CRBSI outbreak

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We report an outbreak of B. cereus catheter-related bloodstream infection (CRBSI) in the pediatric ward and aim at identifying risk factors and effective infection control measures for the outbreak” Yamada et al (2019).

Abstract:

Bacillus cereus can spread easily in various environments and can contaminate medical environments, such as ventilator equipment, intravascular catheters, and linen. B. cereus is known to infect immunocompromised patients. Although nosocomial B. cereus outbreaks are often reported, effective preventive measures are not clarified. We report an outbreak of B. cereus catheter-related bloodstream infection (CRBSI) in the pediatric ward and aim at identifying risk factors and effective infection control measures for the outbreak. The nurse station at the pediatric ward and blood cultures were assessed. Sterilization of devices has been ensured thereafter. We identified common risk factors including catheter placement for liquid nutrition, use of high-caloric amino-acid-containing infusion fluid, immunocompromised patients, and contact of the catheter route with the floor. Intervention by the Infection Control Team and educating the medical staff regarding methods of disinfection, including scrubbing the facility, helped terminate the outbreak. We discuss a pre-emptive intervention to terminate the outbreak of CRBSI.

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Reference:

Yamada, K., Shigemi, H., Suzuki, K., Yasutomi, M., Iwasaki, H. and Ohshima, Y. (2019) Successful management of a Bacillus cereus catheter-related bloodstream infection outbreak in the pediatric ward of our facility. Journal of Infection and Chemotherapy. June 22nd. doi: 10.1016/j.jiac.2019.04.013. .

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