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Charge Nurses Taking Charge, Challenging the Culture of Culture-Negative Sepsis, and Preventing Central-Line Infections to Reduce NICU Antibiotic Usage
Objective We aimed to reduce our monthly antibiotic usage rate (AUR, days of treatment per 1,000 patient-days) in the neonatal intensive care unit (NICU) from a baseline of 330 (July 2015–April 2016) to 200 by December 2018.
Study Design We identified three key drivers as follows: (1) engaging NICU charge nurses, (2) challenging the culture of culture-negative sepsis, and (3) reducing central-line associated bloodstream infections (CLABSI). Our main outcome was AUR. The percentage of culture-negative sepsis that was treated with antibiotics for >48 hours and CLABSI was our process measure. We used hospital cost/duration of hospitalization and mortality as our balancing measures.
Results After testing several plan-do-study-act (PDSA) cycles, we saw a modest reduction in AUR from 330 in the year 2016 to 297 in the year 2017. However, we did not find a special-cause variation in AUR via statistical process control (SPC) analysis (u'-chart). Thereafter, we focused our efforts to reduce CLABSI in January 2018. As a result, our mean AUR fell to 217 by December 2018. Our continued efforts resulted in a sustained reduction in AUR beyond the goal period. Importantly, cost of hospitalization and mortality did not increase during the improvement period.
Conclusion Our sequential quality improvement (QI) efforts led to a reduction in AUR. We implemented processes to establish a robust antibiotic stewardship program that included antibiotic time-outs led by NICU charge nurses and a focus on preventing CLABSI that were sustained beyond the QI period.
This is a quality improvement project to reduce antibiotic usage in NICU.
Charge nurses should take charge to reduce infections in NICU.
Central line infections should be reduced to decrease antibiotic usage.
Institutional Review Board at University of Florida Health Jacksonville (UFHJ) approved this initiative as a QI project. Any sensitive health information was not shared or disclosed outside UFHJ.
Received: 03 April 2020
Accepted: 24 September 2020
03 November 2020 (online)
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