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Surgical antimicrobial prophylaxis prescribing practices and impact on infection risk: Results from a multicenter
Costanza Vicentini1, Gianfranco Politano2, Silvia Corcione3
1Department of Public Health and Paediatrics, University of Turin, Turin, Italy.
Background:
Italy is one of the largest consumers of broad-spectrum agents (BSAs) in Europe. This study evaluated surgical antimicrobial prophylaxis (SAP) compliance with the Italian national guidelines and its impact on surgical site infection (SSI) risk.
Methods:
A prospective study was conducted in 42 hospitals participating in the national surveillance system for SSIs. SAP compliance was evaluated considering antibiotic choice, duration of administration, and timing of first dose. Trends in the consumption of 5 BSAs were also evaluated.
Results:
Between 2012 and 2017, 24,861 surgical procedures were monitored. The risk ratios (RRs) for appropriate SAP increased by 22% each year, and significant increasing trends over time were found for overall compliance, timing, and duration. Adequate antibiotic choice and duration of administration were associated with a significantly reduced SSI risk (RR = 0.57; 95% confidence interval [CI], 0.5-0.65 vs RR = 0.51; 95% CI, 0.45-0.57, respectively), and overall compliance was associated with a RR of 0.65 (95% CI, 0.59-0.72).
Conclusions:
These findings suggest that appropriate narrow-spectrum agents could be more effective than BSAs in preventing SSIs. Interventions to improve SAP compliance with guidelines could significantly contribute to reducing antimicrobial resistance by reducing SSIs and promoting more prudent use of antimicrobials.
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