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Tropical pyomyositis: an update

Adebayo Shittu1,2, Stefanie Deinhardt-Emmer3, Jonathan Vas Nunes4,5

  • 1Department of Microbiology, Obafemi Awolowo University, Ile-Ife, Nigeria.

Tropical Medicine & International Health : TM & IH
|March 29, 2020
PubMed

Insights

Tropical pyomyositis (TP), a severe bacterial muscle infection, often affects children and immunocompromised individuals. Early diagnosis and treatment are crucial due to non-specific symptoms and potential fatal outcomes, with Staphylococcus aureus being the primary cause.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Musculoskeletal Disorders

Background:

  • Tropical pyomyositis (TP) is a critical bacterial skeletal muscle infection.
  • It disproportionately affects children, young adults, and immunocompromised individuals.
  • Delayed diagnosis due to non-specific symptoms can lead to severe consequences.

Purpose of the Study:

  • To provide an updated review on the epidemiology and clinical course of tropical pyomyositis.
  • To highlight the role of bacterial toxins in TP pathogenesis.
  • To discuss the implications of toxins for clinical management.

Main Methods:

  • This study is a narrative review.
  • It synthesizes current literature on tropical pyomyositis.
  • Focuses on epidemiological data, clinical presentations, and etiological agents.

Main Results:

  • Staphylococcus aureus, particularly methicillin-susceptible strains, is the predominant pathogen.
  • Other causative agents include streptococci, Pseudomonas aeruginosa, Escherichia coli, Klebsiella spp., Candida spp., and Mycobacterium spp.
  • Bacterial toxins like Panton-Valentine Leucocidin and α-toxin play a significant role in disease development.

Conclusions:

  • Prompt diagnosis and management of tropical pyomyositis are essential for preventing fatal outcomes.
  • Understanding the role of specific toxins can inform treatment strategies.
  • Further research into pathogen-specific virulence factors is warranted.
Keywords:
Staphylococcus aureusStaphylococcus aureusclinical courseepidemiologypathogenesispathogenèsepyomyosite tropicalereviewrevuetropical pyomyositisépidémiologieévolution clinique

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