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Published on: February 9, 2011

Staphylococcus aureus as a risk factor for bloodstream infection in children with postoperative mediastinitis

Samir S Shah1, Ebbing Lautenbach, Caroline B Long

  • 1Center for Education and Research on Therapeutics, University of Pennsylvania School of Medicine, Philadelphia, PA, USA.

The Pediatric Infectious Disease Journal
|September 9, 2005
PubMed

Insights

Bloodstream infection (BSI) is a common complication of postoperative mediastinitis. Staphylococcus aureus significantly increases the risk of developing BSI in these patients.

Area of Science:

  • Infectious Diseases
  • Surgical Infections
  • Critical Care Medicine

Background:

  • Postoperative mediastinitis frequently leads to bloodstream infections (BSI), affecting over half of cases.
  • Identifying specific pathogens that increase BSI risk is crucial for patient management.

Purpose of the Study:

  • To investigate the association between Staphylococcus aureus and the development of BSI in patients with postoperative mediastinitis.
  • To determine if S. aureus is an independent risk factor for BSI in this population.

Main Methods:

  • Retrospective cohort study design.
  • Data collected from 1995 to 2003.
  • Statistical analysis including adjusted odds ratios and confidence intervals.

Main Results:

  • Postoperative mediastinitis caused by Staphylococcus aureus was identified as an independent risk factor for BSI.
  • The adjusted odds ratio for BSI in the context of S. aureus mediastinitis was 6.4 (95% CI, 1.4-29.3).
  • Mediastinitis due to S. aureus presents a higher intrinsic risk for BSI compared to other pathogens.

Conclusions:

  • Staphylococcus aureus is a significant risk factor for bloodstream infections in patients with postoperative mediastinitis.
  • Clinical vigilance for BSI is warranted in patients with S. aureus-related mediastinitis.
  • These findings highlight the importance of pathogen-specific risk assessment in surgical site infections.

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