Related Experiment Video
Updated: May 22, 2026

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)
Published on: February 9, 2011
Methicillin-resistant Staphylococcus aureus. A continuing infection control challenge
1THE DENTAL ADVISOR, Ann Arbor, Mich, USA. jmolinari@dentaladvisor.com
Abstract:
The ability of MRSA and other staphylococci to colonize, persist, and adapt to multiple environmental and tissue conditions has allowed for these bacteria to be virtually ubiquitous in their distribution. The effectiveness of commonly used antibiotics, such as penicillin, has continued to decline against infections caused by MRSA and increasingly resistant strains. The challenge for both dental and medical health professionals is to routinely apply proven, evidence-based infection control precautions. As mentioned earlier in this discussion, when compliance with effective aseptic technique practices improves, the patients and environments. Ensure that reusable equipment is not used for the care of another patient until it has been appropriately cleaned and reprocessed and that single-use items are properly discarded. Clean and disinfect clinical contact surfaces that are not barrier-protected by using an environmental protection agency-registered hospital disinfectant with a low- (ie, HIV and HBV label claims) to intermediate-level (ie, tuberculocidal claim) activity after each patient. When the surface is visibly contaminated with blood, an intermediate-incidence of detectable infections can be reduced. Microorganisms will continue to evolve and adapt in order to survive and thrive, sometimes at the expense of susceptible human hosts. The struggle is to constantly remain aware of impending infectious threats which may challenge current precautions, and maintain and improve the quality of infection control to minimize the potential for disease.
Insights
Adherence to infection control protocols is crucial for healthcare professionals to combat antibiotic-resistant bacteria like MRSA. Implementing aseptic techniques and proper disinfection minimizes the spread of infections and protects patients.
Area of Science:
- Microbiology
- Infectious Diseases
- Public Health
Background:
- Methicillin-resistant Staphylococcus aureus (MRSA) and other staphylococci are widespread due to their adaptability.
- Declining antibiotic effectiveness, such as penicillin, against resistant strains poses a significant challenge.
- The ubiquitous nature of these bacteria necessitates stringent infection control measures.
Purpose of the Study:
- To emphasize the importance of evidence-based infection control precautions in healthcare settings.
- To highlight the role of aseptic techniques in reducing infection transmission.
- To underscore the need for continuous vigilance against evolving infectious threats.
Main Methods:
- Routine application of proven, evidence-based infection control precautions.
- Ensuring proper cleaning and reprocessing of reusable equipment.
- Cleaning and disinfecting clinical contact surfaces with EPA-registered disinfectants after each patient.
- Proper discarding of single-use items.
Main Results:
- Improved compliance with aseptic techniques can reduce detectable infections.
- Proper disinfection of surfaces, especially after visible contamination, is critical.
- Effective infection control practices protect both patients and healthcare environments.
Conclusions:
- Healthcare professionals must consistently apply evidence-based infection control measures.
- Continuous improvement and adaptation of infection control strategies are necessary to combat evolving microorganisms.
- Maintaining high standards of infection control is essential to minimize disease potential.
Related Concept Videos
Clinical Significance of Antibiotic Resistance
Staphylococcal Skin Infections
Mechanism of Antibiotic Resistance in MRSA
Defense Against Bacterial Pathogens
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Development of Antibiotic Resistance
Healthcare Associated Infections II: Preventive Measures
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
