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Revista Peruana de Medicina Experimental y Salud Publica
Print version ISSN 1726-4634
Abstract
IBANEZ H, Nicanor; JARA C, César; GUERRA M, Antenor and DIAZ L, Enrique. Prevalencia del Enteroparasitismo en escolares de comunidades nativas del Alto Marañon, Amazonas, Perú. Rev. perú. med. exp. salud publica [online]. 2004, vol.21, n.3, pp.126-133. ISSN 1726-4634.
Objectives: To determine the prevalence of intestinal infections by protozoan and helminthes and their relationship with sex, living place, and age group, in native schoolchildren from the Alto Marañon area in the Amazon jungle, Bagua province, Amazonas department, Peru. Materials and Methods: In this observational, cross-sectional study, representative schools from the region were selected, and stool samples from 1049 schoolchildren with ages from 6 to 15 year old were examined between October 2001 and October 2002, using direct microscopy with saline solution and lugol, as well as Telemans and Kinnyouns techniques. Results: The prevalence of intestinal protozoan and helminthes infections was as follows: Entamoeba coli, 68,0%; Blastocystis hominis, 28,4%; Endolimax nana, 23,9%; Iodameoba butschlii, 32,9%; Giardia lamblia, 21,4%; Entamoeba histolytica/dispar, 12,9%; Cryptosporidium sp., 10,9%; Paragonimus peruvianus, 0,7%; and Fasciola hepatica, 0,2% (which are not intestinal parasites, but living in lungs and biliary tract, respectively, and pass through feces); Ancylostoma/Necator, 30,4%; Ascaris lumbricoides, 28,9%; Trichocephalus trichiura, 16,6%; Enterobius vermicularis, 3,6%; Hymenolepis nana, 3,5%;Taenia solium/saginata, 0,2%; Strongyloides stercolaris, 0,8%; and H. diminuta, 0,2%. Conclusions: Ancylostoma/ Necator and A. lumbricoides are most prevalent in young people in Mesones Muro and Nazaret areas, and this is the very first time that Paragonimus infection is reported in the northern jungle of Peru.
Keywords : Protozoa; Helminthes; Ethnic Groups; Peru.