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dc.creatorBARAHONA,LUCÍA
dc.creatorMAGUIÑA,C.
dc.creatorNÁQUIRA,CESAR
dc.creatorTERASHIMA,ANGÉLICA
dc.creatorTELLO,RAÚL
dc.date2002-07-01
dc.date.accessioned2019-09-10T12:42:31Z
dc.date.available2019-09-10T12:42:31Z
dc.identifierhttps://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0717-77122002000300003
dc.identifier.urihttps://revistaschilenas.uchile.cl/handle/2250/107176
dc.descriptionTo contribute to the knowledge of symptoms and factors associated with the infection by Blastocystis hominis of patients attending the outpatient clinic of the Department of Enfermedades Transmisibles y Dermatológicas (DETD) of the Hospital Nacional Cayetano Heredia. A prospective case-control study was carried out from January to March 1999, in patients between the ages of 5 to 80 years. The case-patients had a positive stool examination for B. hominis (in the absence of other pathogens such helminths) done at the laboratory of Tropical Medicine. The controls had at least 2 of 3 negative fecal samples of B. hominis, in absence of other pathogens. The presence of B. hominis was examined under direct microscopy (high-power field x 400) and it was rated from 1 plus to 4 plus according to the quantity of parasites present. Epidemiological data, symptomatology and the factors associated with infection in each patient were registered A total of 144 persons (74 cases and 70 controls) matched by age and sex were included in the study. A significant statistical correlation (p < 0.05) was found between the presence of B. hominis and the presence of symptoms (91.9%). The predominant symptoms in order of significance (p < 0.05), associated to the infection by B. hominis were: abdominal pain (OR = 3) 1.47 < OR < 6.60, abdominal distention (OR = 2.36) 1.06 < OR < 5.29, urticaria (OR = 3.19) 0.81 < OR < 12.48. The only risk factor found associated with the infection with B. hominis, was the consumption of raw unboiled water (OR = 2.52) 1.01 < OR < 5.83
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dc.publisherSociedad Chilena de Parasitología
dc.relation10.4067/S0717-77122002000300003
dc.rightsinfo:eu-repo/semantics/openAccess
dc.sourceParasitología latinoamericana v.57 n.3-4 2002
dc.subjectBlastocystis hominis
dc.subjectProtozoan
dc.subjectEpidemiology
dc.titleSintomatología y factores epidemiologicos asociados al parasitismo por Blastocystis hominis


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