Related Experiment Video
Updated: May 11, 2026

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)
Published on: February 9, 2011
Impact of community-associated methicillin resistant Staphylococcus aureus on HIV-infected patients
1Rush University Medical Center, 600 S Paulina Ste 140, Chicago, IL 60612, USA. Joanna_Cole@rush.edu
Abstract:
Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) has emerged as an increasingly important pathogen, causing infections in persons who have no significant healthcare exposures. Persons with human immunodeficiency virus (HIV) infection have been disproportionately affected by CA-MRSA, with increased colonization and infection documented. Several factors are likely involved in the increased CA-MRSA burden observed among HIV-infected patients, including immune factors as well as healthcare and community exposures. Proposed community exposures that have been associated with increased CA-MRSA risk include substance abuse, incarceration, geographic area of residence, and social networks. This article explores these associations and reviews the current knowledge of the epidemiology, pathogenesis, clinical manifestations, and treatment of CA-MRSA in HIV-infected persons.
Insights
Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) disproportionately affects individuals with human immunodeficiency virus (HIV). This review explores factors contributing to increased CA-MRSA risk in the HIV population.
Area of Science:
- Infectious Diseases
- Public Health
- HIV Medicine
Background:
- Community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) is a growing public health concern.
- Individuals with human immunodeficiency virus (HIV) experience higher rates of CA-MRSA colonization and infection.
- Factors contributing to this disparity include immune status, healthcare access, and community exposures.
Purpose of the Study:
- To explore the associations between community exposures and CA-MRSA risk in HIV-infected individuals.
- To review the current understanding of CA-MRSA epidemiology, pathogenesis, clinical presentation, and treatment in this population.
Main Methods:
- Literature review of epidemiological studies and clinical case reports.
- Analysis of factors associated with CA-MRSA risk in HIV-positive individuals.
Main Results:
- Substance abuse, incarceration, geographic location, and social networks are linked to increased CA-MRSA risk.
- Immune factors in HIV-infected individuals may play a role in susceptibility.
Conclusions:
- Understanding these risk factors is crucial for targeted prevention and treatment strategies.
- Further research is needed to elucidate the complex interplay between HIV and CA-MRSA.
Related Concept Videos
Clinical Significance of Antibiotic Resistance
Staphylococcal Skin Infections
Mechanism of Antibiotic Resistance in MRSA
Healthcare Associated Infections II: Preventive Measures
The best practices for preventing healthcare-associated infections include hand hygiene, patient risk...
Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies. Common...
Pulmonary Tuberculosis I
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
