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Related Experiment Videos

Microbial involvement in chronic wound malodour.

P G Bowler1, B J Davies, S A Jones

  • 1Conva Tec, Deeside, UK.

Journal of Wound Care
|October 26, 1999
PubMed
Summary
This summary is machine-generated.

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Specific anaerobic bacteria, particularly Gram-negative types, are key drivers of chronic wound malodour. Their presence, often alongside other microbes, significantly impacts wound odour severity.

Area of Science:

  • Microbiology
  • Wound Care
  • Dermatology

Background:

  • Chronic wounds, such as leg ulcers, can develop malodour.
  • The microbial etiology of wound malodour is not fully understood.
  • Identifying specific microbial contributors is crucial for effective wound management.

Purpose of the Study:

  • To investigate the role of specific microorganisms in producing chronic wound malodour.
  • To compare odour severity and microbiology in infected versus non-infected leg ulcers.

Main Methods:

  • Direct comparison of odour severity and microbiology.
  • Analysis of microbial populations in infected and non-infected leg ulcers.
  • Identification of bacterial species, including aerobic, anaerobic, Gram-positive, and Gram-negative bacteria.

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Main Results:

  • Malodour was most frequently associated with infected wounds containing mixed aerobic and anaerobic bacteria.
  • Infected ulcers without offensive odour rarely harbored anaerobic bacteria.
  • Non-infected, non-malodorous ulcers showed a reduced incidence of Gram-negative anaerobes (Bacteriodes, Prevotella, Porphyromonas spp.).

Conclusions:

  • Specific anaerobic bacteria are significant contributors to wound malodour.
  • The presence of anaerobic bacteria, especially Gram-negative types, is strongly linked to malodour in leg ulcers.
  • The effect of anaerobic bacteria on malodour may be enhanced by co-existing facultative microorganisms.