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Sequencing of Bacterial Microflora in Peripheral Blood: our Experience with HIV-infected Patients
Published on: June 11, 2011
Epidemiology of mycoses in the HIV-infected patient: clinical aspects
1Department of Pathology, University of Texas Health Science Center, San Antonio, TX 78284-7750, USA.
Abstract:
Among the major problems confronting patients with AIDS are opportunistic fungal infections. Primary infections include candidiasis, cryptococcosis, the major endemic mycoses, and aspergillosis. The endemic mycoses of AIDS consist of Histoplasma found mostly in the U.S. and Latin America, Coccidioides in parts of Latin America and the southwest U.S., Penicillium marneffei in Thailand and other parts of southeast Asia, and Blastomyces worldwide. The latter, however, has so far been rare in AIDS. The major endemic mycoses tend to target patients very late in AIDS, with CD4 counts commonly below 100. Diagnosis is usually made by characteristic morphology of the fungal elements as seen at microscopy, and the pathogens are readily cultured from infected tissues, and in the case of Histoplasma, from blood.
Insights
Opportunistic fungal infections, including endemic mycoses like Histoplasma and Coccidioides, are significant challenges for patients with Acquired Immunodeficiency Syndrome (AIDS). Diagnosis relies on microscopy and culture of fungal elements from tissues.
Area of Science:
- Mycology
- Infectious Diseases
- Immunology
Background:
- Patients with Acquired Immunodeficiency Syndrome (AIDS) face significant health challenges due to opportunistic infections.
- Fungal infections, particularly endemic mycoses, are a major concern in individuals with advanced AIDS.
Purpose of the Study:
- To outline the primary opportunistic fungal infections in patients with AIDS.
- To detail the endemic mycoses affecting AIDS patients, including their geographical distribution and typical clinical presentation.
Main Methods:
- Review of common opportunistic fungal infections in AIDS.
- Identification of endemic mycoses based on geographical prevalence and association with AIDS.
- Description of diagnostic methods, including microscopy and fungal culture.
Main Results:
- Key opportunistic fungal infections include candidiasis, cryptococcosis, aspergillosis, and endemic mycoses.
- Endemic mycoses in AIDS patients comprise Histoplasma, Coccidioides, Penicillium marneffei, and Blastomyces.
- These infections typically manifest late in AIDS, often with CD4 counts below 100 cells/µL.
- Diagnosis is commonly achieved through microscopic identification of fungal morphology and successful culturing from infected tissues or blood (for Histoplasma).
Conclusions:
- Opportunistic fungal infections, especially endemic mycoses, represent a critical aspect of AIDS management.
- Timely diagnosis through microscopy and culture is essential for effective treatment of these infections in immunocompromised individuals.
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