Iranian Journal of Parasitology 2007. 2(1):1-6.

A Comparative Analysis of Intestinal Parasitic Infections between HIV+/AIDS Patients and Non-HIV Infected Individuals
AR Meamar, M Rezaian, M Mohraz, F Zahabian, R Hadighi, EB Kia


Background: The aim of this study was to verify the occurrence of intestinal parasitic infections in human immunodeficiency virus (HIV)/acquired immunodeficiency syndrome (AIDS) patients in Iran in comparison with non-HIV individuals.
Methods: A total of HIV+/AIDS patients (Group I) and 1220 clinically healthy individuals (Group II) were submitted to coproparasitological examination from 2003 to 2005.
Results: The overall prevalence of intestinal parasites in group I and group II was 11.4% and 11.6%, respectively, without significant difference between two groups. The prevalence of infection for each helminth and pathogenic protozoan, in every group, was as follows: Group I: Blastocystis hominis (6.1%); Giardia lamblia (4.2%); Cryptosporidium spp. (0.9%); Isospora belli (0.26%); Strongyloides stercoralis (0.26%); Hymenolepis nana (0.13%); and Rhabditis axei (0.13%). Group II: Blastocystis hominis (6.5%); Giardia lamblia (4.1%); Strongyloides stercoralis (0.33%); Hymenolepis nana (0.16%); and Trichostrongylus sp. (0.16%). Although the prevalence of infection for extracellular parasites was not statistically different between two groups, however, the infection rates for enteric coccidians including Cryptosporidium spp. and I. belli were significantly higher in patients at AIDS stage than Group II.
Conclusion: The results emphasize the needs for especial consideration of enteropathogenic intracellular coccidians in immunocompromised patients.


HIV+/AIDS patients,

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