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[Invasive streptococcal infections].

P Kosina1, S Plísek, V Dostál

  • 1Klinika Infekcních nemocí, Fakultní nemocnice v Hradici Králové. KosinaP@lfhk.cuni.cz

Klinicka Mikrobiologie a Infekcni Lekarstvi
|March 6, 2008
PubMed
Summary
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Beta-hemolytic group A streptococci (GAS) cause infections ranging from skin issues to severe systemic diseases. Prompt diagnosis and treatment, including antibiotics and surgery, are crucial due to increasing cases and high mortality rates.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Toxicology

Context:

  • Beta-hemolytic group A streptococci (GAS) are significant human pathogens.
  • GAS infections present with diverse clinical manifestations, from localized skin and respiratory infections to severe invasive diseases.
  • Pathogenicity is linked to cell wall components and extracellular toxins, particularly superantigens.

Purpose:

  • To review the clinical spectrum and pathogenicity of group A streptococcal infections.
  • To discuss current therapeutic strategies and emerging treatment considerations.
  • To highlight the importance of rapid diagnosis and management in light of increasing incidence and mortality.

Summary:

  • GAS infections encompass a wide range of severity, including invasive forms like sepsis, streptococcal toxic shock syndrome (STSS), and necrotizing fasciitis.

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  • Soft tissue infections, especially in elderly patients with chronic lower extremity conditions, are common.
  • Treatment involves intensive care, penicillin and clindamycin, surgical intervention, with IVIG and hyperbaric oxygen under consideration.

    • Impact:

    • Emphasizes the need for prompt diagnosis and effective treatment to reduce mortality associated with GAS infections.
    • Highlights the role of superantigens in GAS pathogenicity.
    • Underscores challenges in prevention and the importance of understanding disease severity factors.