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Updated: May 22, 2026

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)
Published on: February 9, 2011
[Skin infections with MRSA. Epidemiology and clinical features]
1Institut für Medizinische Mikrobiologie, Universitätsklinikum Münster, Domagkstr. 10, 48149, Münster, Deutschland. kbecker@uni-muenster.de
Abstract:
Staphylococcus aureus is the most prevalent pathogen in dermatology causing a broad array of pyogenic, community-acquired (CA) and health care-associated (HA), acute and chronic, superficial and deep skin infections which can progress to life-threatening systemic infections. The pathogen causes also toxin-mediated diseases with cutaneous symptoms. Methicillin-resistant S. aureus (MRSA) strains are not sensitive to the beta-lactam antibiotics available in Germany. Even though they cause the same skin infections as methicillin -sensitive strains, they are associated with greater morbidity and mortality because of their resistance to therapy. In addition to HA-MSRA in hospitalized patients with well-known and defined risk factors, there are new CA-MSRA strains which arise in the community or from, animal husbandry sources. These MSRA strains are also a problem in hospitals today. CA-MRSA strains often have special virulence factors, such as Panton Valentine leukocidin), and are often associated with specific often recurrent skin and soft tissue infections (furuncles, abscesses, necrotizing entities).
Insights
Staphylococcus aureus causes many skin infections, with methicillin-resistant strains (MRSA) posing a significant threat due to antibiotic resistance. These MRSA infections lead to worse outcomes and require careful management.
Area of Science:
- Dermatology
- Microbiology
- Infectious Diseases
Context:
- Staphylococcus aureus is a common cause of skin infections.
- Methicillin-resistant S. aureus (MRSA) strains are resistant to common antibiotics.
- Both healthcare-associated (HA) and community-acquired (CA) MRSA are significant clinical problems.
Purpose:
- To highlight the prevalence and impact of Staphylococcus aureus in dermatological infections.
- To differentiate between methicillin-sensitive and methicillin-resistant S. aureus (MRSA) infections.
- To discuss the emergence and characteristics of community-acquired MRSA (CA-MRSA).
Summary:
- Staphylococcus aureus is a prevalent pathogen causing diverse skin infections, ranging from superficial to life-threatening systemic diseases.
- Methicillin-resistant S. aureus (MRSA) strains exhibit resistance to beta-lactam antibiotics, leading to increased morbidity and mortality compared to methicillin-sensitive strains.
- Emerging CA-MRSA strains, often possessing virulence factors like Panton Valentine leukocidin, are associated with recurrent skin and soft tissue infections.
Impact:
- Increased understanding of MRSA epidemiology and clinical significance in dermatology.
- Awareness of the challenges posed by antibiotic-resistant S. aureus strains.
- Informed clinical approaches to managing S. aureus and MRSA skin infections.
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