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Pyodermas: an analysis of 127 cases.

C T Lee1, L Tay

  • 1National Skin Centre, Singapore.

Annals of the Academy of Medicine, Singapore
|May 1, 1990
PubMed
Summary
This summary is machine-generated.

Staphylococcus aureus is the primary cause of pyodermas. Antibiotic selection for pyodermas depends on whether they are primary or secondary, with specific recommendations for Staphylococcus aureus and other common pathogens.

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Area of Science:

  • Dermatology
  • Infectious Diseases
  • Microbiology

Background:

  • Pyodermas are common bacterial skin infections.
  • Understanding causative organisms and their antibiotic sensitivities is crucial for effective treatment.

Purpose of the Study:

  • To analyze the prevalence of primary and secondary pyodermas.
  • To identify common bacterial pathogens responsible for pyodermas.
  • To determine appropriate antibiotic choices based on identified pathogens and clinical presentation.

Main Methods:

  • Retrospective analysis of 127 patients diagnosed with pyodermas.
  • Identification of causative organisms and assessment of their antibiotic susceptibility.
  • Categorization of pyodermas into primary and secondary types.

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Main Results:

  • 30% of pyodermas were primary, 70% secondary.
  • Staphylococcus aureus was the most frequent cause of primary pyodermas (71%).
  • Secondary pyodermas involved Staphylococcus aureus (45%), Streptococci (21%), Pseudomonas (9%), and Proteus (9%), with 44% due to multiple organisms.

Conclusions:

  • Antibiotic choice for pyodermas should be guided by the specific pathogen and whether the infection is primary or secondary.
  • Staphylococcus aureus and Streptococci show high sensitivity to certain antibiotics like cephalothin and erythromycin.
  • Gram-negative organisms are sensitive to amikacin, gentamicin, kanamycin, and co-trimoxazole.