Advanced biomedical research · 2013
Prevalence of isosporiasis in relation to CD4 cell counts among HIV-infected patients with diarrhea in Odisha, India.
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Mohanty Indrani, Panda Pritilata, Sahu Susmita, Dash Mutikesh, Narasimham Moningi Venkat, Padhi Sanghamitra, Parida Banojini
Аннотация
BACKGROUND: To determine the prevalence of Isospora belli and its correlation with CD4+ cell counts in HIV-positive patients with diarrhea in this region.
MATERIALS AND METHODS: Stool samples from 250 HIV-positive patients, including 200 with diarrhea and 50 without diarrhea included in the study were examined for the presence of enteric parasites under microscopy. Prevalence of the enteric parasites with special reference to I. belli in HIV-positive patients with and without diarrhea were calculated and correlated with their CD4+ cell counts.
RESULTS: Enteric parasites were detected in 39% of the HIV patients with diarrhea compared to 30% without diarrhea. I. belli was detected in 22% of the patients with diarrhea and in 4% without diarrhea (P = 0.0019). I. belli was the most common parasite, followed by Entamoeba histolytica/dispar (8%) and Cryptosporidium parvum (5%) in HIV-positive patients with diarrhea. In HIV-positive patients without diarrhea, the most common parasite detected was E. histolytica/dispar (12%) followed by C. parvum (6%) and I. belli (4%). The mean CD4 cell count of HIV-positive patients with diarrhea suffering from isosporiasis was 138.35 ± 70.71. In patients with CD4 cell counts <200/μl, I. belli was seen in 36/123 stool samples and 2/27 stool samples which was statistically significant (P = 0.0157).
CONCLUSION: I. belli was the predominant parasite with a prevalence of 22% among HIV-positive patients with diarrhea, majority having CD4 cell count <200/μl. This study highlights the importance of routine screening for coccidian parasites in HIV-positive patients with and without diarrhea especially in those with low CD4 cell counts.
MATERIALS AND METHODS: Stool samples from 250 HIV-positive patients, including 200 with diarrhea and 50 without diarrhea included in the study were examined for the presence of enteric parasites under microscopy. Prevalence of the enteric parasites with special reference to I. belli in HIV-positive patients with and without diarrhea were calculated and correlated with their CD4+ cell counts.
RESULTS: Enteric parasites were detected in 39% of the HIV patients with diarrhea compared to 30% without diarrhea. I. belli was detected in 22% of the patients with diarrhea and in 4% without diarrhea (P = 0.0019). I. belli was the most common parasite, followed by Entamoeba histolytica/dispar (8%) and Cryptosporidium parvum (5%) in HIV-positive patients with diarrhea. In HIV-positive patients without diarrhea, the most common parasite detected was E. histolytica/dispar (12%) followed by C. parvum (6%) and I. belli (4%). The mean CD4 cell count of HIV-positive patients with diarrhea suffering from isosporiasis was 138.35 ± 70.71. In patients with CD4 cell counts <200/μl, I. belli was seen in 36/123 stool samples and 2/27 stool samples which was statistically significant (P = 0.0157).
CONCLUSION: I. belli was the predominant parasite with a prevalence of 22% among HIV-positive patients with diarrhea, majority having CD4 cell count <200/μl. This study highlights the importance of routine screening for coccidian parasites in HIV-positive patients with and without diarrhea especially in those with low CD4 cell counts.