[Prevalence of intestinal parasites at Saint-Camille medical center in Ouagadougou (Burkina Faso), 1991 to 2010].

Ouermi D, Karou DS, Ouattara I, Gnoula C, Pietra V, Moret R, Pignatelli S, Nikiema JB, Simpore J.

Med Sante Trop. 2012 Jan-Mar ;22(1):40-4. French.

PMID : 22868724 [PubMed - indexed for MEDLINE] ;

http://www.ncbi.nlm.nih.gov/pubmed/22868724 ;

BACKGROUND : Intestinal parasitoses continue to be a major public health problem in developing countries.
OBJECTIVES : This study sought to evaluate the prevalence of intestinal parasites and their coinfection rates in patients attending the Saint-Camille medical center in Ouagadougou. Methodology. This retrospective study covers the period from 1991 through 2010.
RESULTS : In all, 292,148 stool samples were analyzed, and 177,672 contained at least one parasite, for a prevalence rate of 60.82%. Protozoans accounted for 90.53% of the parasites identified (160,838) and helminthes 9.47% (16,834). The most common protozoans were Entamœba histolytica/dispar (39.88%), Trichomonas intestinalis (25.78%) and Giardia intestinalis (24.83%). The helminthes encountered most frequently were Hymenolepis nana (3.99%) and Ancylostoma spp (3.65%). Globally, the prevalence of parasites decreased over the 20-year study period. The prevalence of E. histolytica/dispar decreased while that of Giardia intestinalis became more frequent. The most common parasitic associations were E. histolytica/dispar-G. intestinalis (26.24%) and G. intestinalis-T. intestinalis (20.09%).
CONCLUSION : Our results indicate that Burkina Faso is a zone at high prevalence of intestinal parasitosis, even though this prevalence appears to be decreasing. Appropriate strategies should be developed to accelerate the reduction in the incidence of these parasites.

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