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Year : 2000  |  Volume : 18  |  Issue : 2  |  Page : 50-54

Opportunistic protozoan parasitic infections of gastrointestinal tract

Department of Gastrointestinal Sciences, Christian Medical College and Hospital, Vellore 632 004, India

Correspondence Address:
G Kang
Department of Gastrointestinal Sciences, Christian Medical College and Hospital, Vellore 632 004
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Source of Support: None, Conflict of Interest: None

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ABSTRACT: Opportunistic infections of the gastrointestinal tract have played a critical role in determining symptomatic illness in immunocompromised individuals. Protozoan parasites that cause mild or self-limited disease in immunocompetent individuals can cause protracted and severe diarrhoea in immunocompromised patients. Among the protozoans that cause intestinal infections in the immunocompromised, cryptosporidium species, Isospora and microsporidia are the most common organism encountered. In addition, infections due to Entamoeba histolytica, Cyclospora cayatenensis and Giardia are also seen. Treatment of these infections is available for Isospora, some microsporidia, E. histolytica, Cyclospora and Giardia, In addition, it has been shown recently that antiretroviral therapy can resolve diarrhoea due to Cryptosporidium and microsporidia.

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2004 - Indian Journal of Medical Microbiology
Published by Wolters Kluwer - Medknow

Online since April 2001, new site since 1st August '04