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Published on: June 11, 2011
Recurrent neck infection in a person with HIV/AIDS
1Division of Infectious Diseases, Department of Internal Medicine, Naval Medical Center, San Diego, USA.
Abstract:
A case of recurrent methicillin-resistant Staphylococcus aureus (MRSA) neck infection in an HIV-infected patient is presented. HIV infection is a known risk factor for the development of MRSA infections; this report suggests that HIV infection may also increase the risk of recurrent disease. Among HIV-infected persons, risk factors for MRSA infection include injection drug use, low CD4+ cell count, high HIV viral load, sex partners with skin infections, absence of trimethoprim/sulfamethoxazole prophylaxis, and recent receipt of a beta-lactam antibiotic. The diagnosis of MRSA infection should be entertained and the appropriate cultures obtained when HIV-infected persons present with soft tissue infections. Given the rising rates of MRSA infection among HIV-infected persons, empiric antibiotics may be recommended. Since inducible resistance to clindamycin is increasing in MRSA isolates, an erythromycin/clindamycin "D-zone" test should be performed before this antibiotic is used. Educating HIV-infected patients about the risk factors for MRSA infection and hygienic measures to potentially reduce infection is advocated; further studies of preventive strategies in this population are needed.
Insights
Human immunodeficiency virus (HIV) infection may increase the risk of recurrent methicillin-resistant Staphylococcus aureus (MRSA) infections. Early diagnosis and preventive strategies are crucial for managing MRSA in HIV patients.
Area of Science:
- Infectious Diseases
- Immunology
- Microbiology
Background:
- Human immunodeficiency virus (HIV) infection is a known risk factor for developing methicillin-resistant Staphylococcus aureus (MRSA) infections.
- This case report highlights the potential for HIV to also increase the risk of recurrent MRSA disease.
Observation:
- A case of recurrent MRSA neck infection in an HIV-infected patient is presented.
- Identified risk factors for MRSA in HIV-infected individuals include injection drug use, low CD4+ cell count, high HIV viral load, sexual partners with skin infections, lack of specific antibiotic prophylaxis, and recent beta-lactam antibiotic use.
Findings:
- The diagnosis of MRSA should be considered in HIV-infected individuals presenting with soft tissue infections, with appropriate cultures obtained.
- Rising rates of MRSA in HIV patients may warrant empiric antibiotic treatment.
- Inducible clindamycin resistance in MRSA isolates necessitates performing an erythromycin/clindamycin "D-zone" test before prescribing clindamycin.
Implications:
- Educating HIV patients on MRSA risk factors and hygiene is advocated.
- Further research into preventive strategies for MRSA in the HIV-infected population is needed.
- Prompt diagnosis and tailored treatment are essential for managing MRSA in immunocompromised patients.
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