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Implementation of a multifaceted program to sustainably improve appropriate intraoperative antibiotic redosing.
American Journal of Infection Control 2019 January
BACKGROUND: National guidelines recommend intraoperative redosing of prophylactic antibiotics at defined intervals to reduce the risk of surgical site infections. Compliance with these guidelines is poor.
METHODS: A quality improvement project-including education, progress reports, and automated redosing reminders in the anesthesia electronic health record-was implemented at a large university-affiliated hospital to increase rates of intraoperative antibiotic redosing for surgeries lasting more than 4 hours. A retrospective, observational study was then conducted. The primary outcome was the compliance rate with intraoperative antibiotic redosing criteria for all surgeries lasting more than 4 hours in the pre- and post-project period. The effect of the intervention was assessed by an interrupted time-series Poisson regression model.
RESULTS: A total of 13,695 surgical procedures were evaluated. Time-series analysis demonstrated that the project was associated with significant improvement of compliance rates (incidence rate ratio [IRR]: 1.16; P = .002) with no significant change in underlying improvement trend (IRR: 1.00; P = .22).
DISCUSSION: Few peer-reviewed manuscripts describe effective methods to ensure appropriate antibiotic redosing during prolonged surgeries. We demonstrated that a multipronged approach was very effective at producing immediate and sustained improvements in guideline compliance.
CONCLUSIONS: Implementation of a multifaceted intervention improved rates of guideline-concordant redosing of intraoperative prophylactic antibiotics.
METHODS: A quality improvement project-including education, progress reports, and automated redosing reminders in the anesthesia electronic health record-was implemented at a large university-affiliated hospital to increase rates of intraoperative antibiotic redosing for surgeries lasting more than 4 hours. A retrospective, observational study was then conducted. The primary outcome was the compliance rate with intraoperative antibiotic redosing criteria for all surgeries lasting more than 4 hours in the pre- and post-project period. The effect of the intervention was assessed by an interrupted time-series Poisson regression model.
RESULTS: A total of 13,695 surgical procedures were evaluated. Time-series analysis demonstrated that the project was associated with significant improvement of compliance rates (incidence rate ratio [IRR]: 1.16; P = .002) with no significant change in underlying improvement trend (IRR: 1.00; P = .22).
DISCUSSION: Few peer-reviewed manuscripts describe effective methods to ensure appropriate antibiotic redosing during prolonged surgeries. We demonstrated that a multipronged approach was very effective at producing immediate and sustained improvements in guideline compliance.
CONCLUSIONS: Implementation of a multifaceted intervention improved rates of guideline-concordant redosing of intraoperative prophylactic antibiotics.
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