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Opportunistic protozoa in stool samples from HIV-infected patients
B Punpoowong1, P Viriyavejakul, M Riganti
1Department of Tropical Pathology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.
The Southeast Asian Journal of Tropical Medicine and Public Health
|September 18, 1998
Summary
Opportunistic protozoa infections are common in HIV-infected patients with chronic diarrhea. Early detection of Microsporidium, Cryptosporidium, Isospora belli, and Giardia intestinalis is crucial for effective treatment.
Area of Science:
- Tropical Medicine
- Infectious Diseases
- Gastroenterology
Background:
- Human Immunodeficiency Virus (HIV) infection can compromise the immune system, leading to opportunistic infections.
- Chronic diarrhea is a common and debilitating symptom in patients with advanced HIV disease.
- Identifying specific pathogens is essential for targeted therapy and improved patient outcomes.
Purpose of the Study:
- To investigate the prevalence of gastrointestinal protozoa and other infections in HIV-infected patients presenting with chronic diarrhea.
- To highlight the role of opportunistic pathogens in the context of HIV/AIDS.
Main Methods:
- Retrospective analysis of stool samples from HIV-infected patients.
- Samples were collected between January 1994 and December 1995.
- Microscopic examination for protozoa, fungi, and helminths.
Main Results:
- Twenty-two HIV-infected patients with chronic diarrhea were studied.
- Protozoa were detected in 50% of the cases.
- Specific protozoa identified included Microsporidium (27.27%), Cryptosporidium (9.09%), Isospora belli (4.54%), and Giardia intestinalis (9.09%).
- Other detected infections included Candida sp., Strongyloides stercoralis larva, and Opisthorchis viverrini ova.
Conclusions:
- Opportunistic protozoa are significant causes of chronic diarrhea in HIV-infected individuals.
- Awareness and early diagnosis of these infections are critical in areas with a high prevalence of HIV.
- Prompt identification facilitates appropriate treatment and management of gastrointestinal symptoms in immunocompromised patients.