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An Antimicrobial Stewardship Program Based on Systematic Infectious Disease Consultation in a Rehabilitation Facility

  • Sara Tedeschi (a1), Filippo Trapani (a1), Maddalena Giannella (a1), Francesco Cristini (a1), Fabio Tumietto (a1), Michele Bartoletti (a1), Annalisa Liverani (a2), Salvatore Pignanelli (a3), Luisa Toni (a2), Roberto Pederzini (a2), Augusto Cavina (a2) and Pierluigi Viale (a1)...
Abstract
OBJECTIVE

To assess the impact of an antimicrobial stewardship program (ASP) on antibiotic consumption, Clostridium difficile infections (CDI), and antimicrobial resistance patterns in a rehabilitation hospital.

DESIGN

Quasi-experimental study of the periods before (from January 2011 to June 2012) and after (from July 2012 to December 2014) ASP implementation.

SETTING

150-bed rehabilitation hospital dedicated to patients with spinal-cord injuries.

INTERVENTION

Beginning in July 2012, an ASP was implemented based on systematic bedside infectious disease (ID) consultation and structural interventions (ie, revision of protocols for antibiotic prophylaxis and education focused on the appropriateness of antibiotic prescriptions). Antibiotic consumption, occurrence of CDI, and antimicrobial resistance patterns of selected microorganisms were compared between periods before and after the ASP implementation.

RESULTS

Antibiotic consumption decreased from 42 to 22 defined daily dose (DDD) per 100 patient days (P<.001). The main reductions involved carbapenems (from 13 to 0.4 DDD per 100 patient days; P=.01) and fluoroquinolones (from 11.8 to 0.99 DDD per 100 patient days; P=.006), with no increases in mortality or length of stay. The incidence of CDI decreased from 3.6 to 1.2 cases per 10,000 patient days (P=.001). Between 2011 and 2014, the prevalence of extensively drug-resistant (XDR) strains decreased from 55% to 12% in P. aeruginosa (P<.001) and from 96% to 73% in A. baumannii (P=.03). The prevalence of ESBL-producing strains decreased from 42% to 17% in E. coli (P=.0007) and from 62% to 15% in P. mirabilis (P=.0001). In K. pneumoniae, the prevalence of carbapenem-resistant strains decreased from 42% to 17% (P=.005), and the prevalence of in methicillin-resistant S. aureus strains decreased from 77% to 40% (P<.0008).

CONCLUSIONS

An ASP based on ID consultation was effective in reducing antibiotic consumption without affecting patient outcomes and in improving antimicrobial resistance patterns in a rehabilitation hospital.

Infect Control Hosp Epidemiol. 2016;1–7

Copyright
Corresponding author
Address correspondence to Sara Tedeschi, Infectious Disease Unit, Teaching Hospital S. Orsola-Malpighi, via Massarenti, 11, 40138 Bologna Italy (sara.tedeschi@aosp.bo.it).
Footnotes
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PREVIOUS PRESENTATION. The findings reported in this article were presented as a poster during the 26th European Congress of Clinical Microbiology and Infectious Diseases, April 12, 2016, Amsterdam, Netherlands.

Footnotes
References
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Infection Control & Hospital Epidemiology
  • ISSN: 0899-823X
  • EISSN: 1559-6834
  • URL: /core/journals/infection-control-and-hospital-epidemiology
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