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Sequencing of Bacterial Microflora in Peripheral Blood: our Experience with HIV-infected Patients
Published on: June 11, 2011
Fungal infections in HIV-infected patients
1Department of Dermatology, Case Western Reserve University, University Hospitals of Cleveland, OH 44106, USA.
Abstract:
Opportunistic fungal infections are commonly encountered in the acquired immunodeficiency syndrome (AIDS) patient population. Fungal infections in the patient infected with the human immunodeficiency virus (HIV) are a major cause of morbidity and mortality. The yeasts Candida and Cryptococcus neoformans, the dimorphic fungi Histoplasma capsulatum and Sporothrix schenckii, and the dermatophyte fungi are the most common pathogenic fungi in patients infected with HIV. The characteristics of these and other relevant mycotic pathogens, and their clinical presentation are discussed. Mycoses in the patient infected with HIV are often atypical, and can be masked by other infections. Cutaneous manifestations may provide valuable diagnostic clues. The clinician must maintain a high index of suspicion to establish an early diagnosis and rapidly institute therapy. Treatment may suppress rather than cure the mycosis, because host immunity in conjunction with antifungal agents is necessary to eliminate infection.
Insights
Opportunistic fungal infections pose significant risks for individuals with acquired immunodeficiency syndrome (AIDS). Early diagnosis and treatment of these mycoses in human immunodeficiency virus (HIV)-infected patients are crucial for managing morbidity and mortality.
Area of Science:
- Mycology
- Infectious Diseases
- Immunology
Background:
- Opportunistic fungal infections are a major cause of illness and death in patients with acquired immunodeficiency syndrome (AIDS).
- Human immunodeficiency virus (HIV) infection compromises the immune system, increasing susceptibility to various fungal pathogens.
- Commonly implicated fungi include Candida, Cryptococcus neoformans, Histoplasma capsulatum, Sporothrix schenckii, and dermatophytes.
Purpose of the Study:
- To discuss the characteristics and clinical presentations of common fungal pathogens in HIV-infected individuals.
- To highlight the atypical nature of mycoses in this population and the importance of cutaneous manifestations for diagnosis.
- To emphasize the need for high clinical suspicion, early diagnosis, and prompt therapy.
Main Methods:
- Review of common and relevant mycotic pathogens in HIV-infected patients.
- Discussion of their clinical characteristics and presentation.
- Emphasis on diagnostic challenges and therapeutic considerations.
Main Results:
- Fungal infections are a significant source of morbidity and mortality in HIV/AIDS patients.
- Clinical presentations can be atypical and masked by other infections.
- Cutaneous manifestations are important diagnostic indicators.
Conclusions:
- Early diagnosis and prompt treatment of fungal infections are essential in HIV-infected patients.
- Therapy often requires a combination of antifungal agents and host immune reconstitution.
- A high index of suspicion is necessary for effective management of mycoses in this vulnerable population.
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