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Prevalence of mixed infections in the diabetic pedal wound: a perspective based on a national audit

Stacey R Smith1, James F Reed

  • 1Department of Podiatry and Research Institute, St. Lukes Hospital & Health Network, Bethlehem, Pennsylvania 18015, USA. smithsr72@aol.com

The International Journal of Lower Extremity Wounds
|May 6, 2005
PubMed

Insights

Diabetic foot infections often involve multiple bacteria. Staphylococcus and Streptococcus are common combinations, with Staphylococcus Aureus frequently being the primary cause. Narrow-spectrum antibiotics are often sufficient.

Area of Science:

  • Infectious Diseases
  • Diabetic Complications
  • Microbiology

Background:

  • Diabetic foot infections pose significant health risks and treatment challenges.
  • Effective management requires understanding causative pathogens.

Purpose of the Study:

  • To determine the incidence of polymicrobial infections in diabetic foot wounds.
  • To identify common bacterial organisms and combinations in these infections.

Main Methods:

  • Retrospective study utilizing the National Hospital Discharge Survey.
  • Analysis of intraoperative cultures from diabetic foot infections for reliability.

Main Results:

  • Staphylococcus Aureus identified as the most frequent initial pathogen.
  • Staphylococcus and Streptococcus were the most common polymicrobial combination.
  • Low incidence of anaerobic and gram-negative organisms observed.

Conclusions:

  • Clinicians should consider targeted antibiotic therapy based on likely pathogens.
  • Broad-spectrum antibiotics may not be routinely necessary for diabetic foot infections.
  • Clinical assessment is crucial for appropriate antibiotic selection.

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