Frequency of intestinal parasites on mental disabilities in rehabilitation centers in Ardabil city at 2011

Although all the advances of medical science has come to achieve، parasitic infections including intestinal parasites in many countries especially in developing countries، is a health problem; according to the annual fees paid by that the World Health Organization and governments to eliminate، prevent and treat them، their existence is still visible. In this study the prevalence of intestinal parasite in mental disability community in Ardabil city will be studied. This descriptive cross-sectional study with was design to detect the prevalence of intestinal parasites on the 216 cases of mental disability under the Social Welfare Organization in Ardabil city، with methods of direct smear، formalin ether concentration method and Modified ziehl-neelsen staining. From 216 patients 95 samples (44%) were infected with at least one parasite including Blastocystis hominis 41 cases (19%)، Entamoeba coli cyst 25 cases (11. 6%)، Giardia cyst 18 cases (8. 3%)، Trichuris trichura egg 2 cases (0. 9%) and contemporary infection with two parasite Entamoeba coli / Blastocystis hominis cysts and Entamoeba coli / Iodamoeba butschili cysts 4 (1. 9%) and 3 (1. 4%) cases respectively. In 0. 5% of cases we found Entamoeba coli cyst with 4 nuclei cysts. According to the results، levels of intestinal parasitic infections in mental disability community in the Ardabil city in compare to other communities was higher that need to pay more attention of the authorities.