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Beneficial effects of implementing guidelines on microbiology and costs of infected diabetic foot ulcers

A Sotto1, J-L Richard, C Combescure

  • 1Institut National de la Santé et de la Recherche Médicale, ESPRI 26, Université de Montpellier 1, UFR de Médecine, Avenue Kennedy, 30908 Nîmes cedex 02, France.

Diabetologia
|June 24, 2010
PubMed
Abstract

Insights

Implementing diabetic foot infection guidelines reduced bacterial infections and multidrug-resistant organisms. This strategy also significantly cut costs associated with laboratory workload and antibiotic prescriptions.

Area of Science:

  • Infectious Diseases
  • Diabetology
  • Microbiology

Background:

  • Diabetic foot infections (DFI) pose a significant clinical challenge.
  • Established guidelines for DFI management exist but require effective implementation strategies.
  • Assessing the impact of guideline implementation is crucial for optimizing patient care and resource allocation.

Purpose of the Study:

  • To evaluate the effects of implementing specific DFI management guidelines on microbiological outcomes.
  • To assess the economic impact, including laboratory workload and antimicrobial costs, following guideline implementation.
  • To determine the efficacy of structured DFI management in reducing the prevalence of multidrug-resistant organisms (MDRO).

Main Methods:

  • A retrospective analysis of 405 diabetic patients with suspected DFI from 2003 to 2007.
  • Comparison of bacteriological data, including bacterial species count, MDRO prevalence, and colonizing flora, before and after guideline implementation.
  • Analysis of costs related to antimicrobial agents and microbiology laboratory workload.

Main Results:

  • Significant reduction in median bacteria species per sample (4.1 to 1.6) and MDRO prevalence (35.2% to 16.3%).
  • Marked decrease in methicillin-resistant Staphylococcus aureus (MRSA) prevalence (52.2% to 18.9%) and colonizing pathogens (23.1% to 5.8%).
  • Cost savings of €14,914 (US$20,046) from reduced laboratory workload and €109,305 (US$147,536) from decreased antibiotic prescriptions.

Conclusions:

  • Implementation of DFI management guidelines is a cost-effective strategy.
  • Guideline adherence improves microbiological quality indicators in DFI patient management.
  • Structured DFI care pathways can lead to better clinical and economic outcomes.

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