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  • Title: [Investigation of intestinal parasites in AIDS patients].
    Author: Büyükbaba Boral O, Uysal H, Alan S, Nazlican O.
    Journal: Mikrobiyol Bul; 2004; 38(1-2):121-8. PubMed ID: 15293911.
    Abstract:
    In this study, enteric parasites were investigated in the stool samples of 38 AIDS patients (23 with chronic diarrhea and 15 without diarrhea) prospectively. At least three stool samples from each patient were investigated microscopically for ova or trophozoites. The samples were concentrated with formol-ether method and wet preparations stained with lugol were examined. In addition, the concentrated samples were stained with modified asid-fast (Kinyoun's), rhodamine-auramine, modified trichrom and calcoflor methods. Enteric parasites were detected in 18 (47%) of the 38 patients, 16 patients harbored a single parasite, and 2 patients were found to be infected with more than one parasite. Only one (7%) of 15 AIDS patients without diarrhea, were found to be infected with Giardia lamblia. On the other hand, 17 (74%) of 23 AIDS patients with chronic diarrhea were found to be infected with various enteric parasites. Cryptosporidium spp. was detected in 9 (39%) of these 23 patients, and in 2 of them Microsporidium spp. accompanied Cryptosporidium. In 2 (9%) of these 23 patients G. lamblia were detected, while Isospora belli, Blastocystis hominis, Entamoeba histolytica, Strongyloides stercoralis and Trichuris trichiura were detected in one patient each. As a result, the detection rate of emerging parasites, including Cryptosporidium spp, Microsporidium spp, I. belli, B. hominis, and S. stercoralis was significantly higher than conventional parasites (39% versus 13%; z=2.34, p=0.01), and CD4 T cell counts were found to be significantly lower among AIDS patients with chronic diarrhea than those without diarrhea (x2=34.33, p<0.001).
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