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Background To describe intensive care unit (ICU) antibiotic use in different administrative categories based on data reported to the Nosocomial Surveillance System of the State Health Department (SHD) in the State of Sao Paulo. Methods This ecological study describes at an aggregated level the antibiotic use in adult ICU reported to São Paulo SHD, from 2009 to 2018. ICUs were categorized by hospital administrative category (private, public, and philanthropic). Public hospitals were subdivided into two administrative sub-categories as Social Health Organization (SHO), which administration is private but public funded, or direct public administration (DPA). Resistance phenotype incidence and antibiotic use correlation was calculated for meticilin-resistant Staphylococcus aureus (MRSA) and glycopeptide use, third generation cephalosporin (3GC)-resistant Enterobacterales and carbapenem use, carbapenem-resistant gram-negative bacilli (CR-GNB) and polymyxins use. Results The average number of hospitals reporting annual data on antibiotic use was 386. A total of 17.490.966 patient-days were included. Total antibiotic use in ICUs increased from 588.16 in 2009 to 943.12 DDD/1000pd in 2018 (p< 0,01). The DDD (defined daily dose) of antibiotic was higher in public hospitals (mean 889.11 DDD/1000pd), than in the private hospitals (mean 849.07 DDD/1000pd) and in the philanthropic hospitals (mean 48 785.12 DDD/1000pd) (p< 0.05). Positive correlations were detected between glycopeptide use and MRSA incidence, polymyxins use and CR-GNB incidence. A weak negative correlation between carbapenems use and 3GC-resistante Enterobacterales incidence were found. Figure I:Antimicrobial use by therapeutic class between 2009 and 2018 in DDD / 1000 patient-daysTable I:Antibiotic use by therapeutic class by administrative type in DDD/1000 patients-dayTable II:Antibiotic use in public hospital by subgroup between 2009 and 2018 in DDD/1000 patients-day Conclusion We found higher use of antibiotics in public hospitals than in private and philanthropic. Differences in antibiotic use were observed among SHO e DPA public hospitals. These data provide important information for formulating hypotheses and public health strategies to improve antimicrobial prescription. Disclosures All Authors: No reported disclosures. |
