Sintomatología y factores epidemiologicos asociados al parasitismo por Blastocystis hominis

To 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...

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Autores principales:	BARAHONA,LUCÍA, MAGUIÑA,C., NÁQUIRA,CESAR, TERASHIMA,ANGÉLICA, TELLO,RAÚL
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Chilena de Parasitología 2002
Materias:	Blastocystis hominis Protozoan Epidemiology
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-77122002000300003
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spelling	oai:scielo:S0717-771220020003000032003-02-06Sintomatología y factores epidemiologicos asociados al parasitismo por Blastocystis hominisBARAHONA,LUCÍAMAGUIÑA,C.NÁQUIRA,CESARTERASHIMA,ANGÉLICATELLO,RAÚL Blastocystis hominis Protozoan Epidemiology To 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 < 5.83info:eu-repo/semantics/openAccessSociedad Chilena de ParasitologíaParasitología latinoamericana v.57 n.3-4 20022002-07-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-77122002000300003es10.4067/S0717-77122002000300003
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Blastocystis hominis Protozoan Epidemiology
spellingShingle	Blastocystis hominis Protozoan Epidemiology BARAHONA,LUCÍA MAGUIÑA,C. NÁQUIRA,CESAR TERASHIMA,ANGÉLICA TELLO,RAÚL Sintomatología y factores epidemiologicos asociados al parasitismo por Blastocystis hominis
description	To 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
author	BARAHONA,LUCÍA MAGUIÑA,C. NÁQUIRA,CESAR TERASHIMA,ANGÉLICA TELLO,RAÚL
author_facet	BARAHONA,LUCÍA MAGUIÑA,C. NÁQUIRA,CESAR TERASHIMA,ANGÉLICA TELLO,RAÚL
author_sort	BARAHONA,LUCÍA
title	Sintomatología y factores epidemiologicos asociados al parasitismo por Blastocystis hominis
title_short	Sintomatología y factores epidemiologicos asociados al parasitismo por Blastocystis hominis
title_full	Sintomatología y factores epidemiologicos asociados al parasitismo por Blastocystis hominis
title_fullStr	Sintomatología y factores epidemiologicos asociados al parasitismo por Blastocystis hominis
title_full_unstemmed	Sintomatología y factores epidemiologicos asociados al parasitismo por Blastocystis hominis
title_sort	sintomatología y factores epidemiologicos asociados al parasitismo por blastocystis hominis
publisher	Sociedad Chilena de Parasitología
publishDate	2002
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-77122002000300003
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Sintomatología y factores epidemiologicos asociados al parasitismo por Blastocystis hominis

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