The potential usefulness of the modified Kato thick smear technique in the detection of intestinal sarcocystosis during field surveys.

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dc.contributor.authorTungtrongchitr, Anchaleeen_US
dc.contributor.authorChiworaporn, Chutamasen_US
dc.contributor.authorPraewanich, Rungsonen_US
dc.contributor.authorRadomyos, Prayongen_US
dc.contributor.authorBoitano, John Jen_US
dc.date.accessioned2009-05-27T14:48:29Z
dc.date.available2009-05-27T14:48:29Z
dc.date.issued2007-03-02en_US
dc.descriptionThe Southeast Asian Journal of Tropical Medicine and Public Health.en_US
dc.description.abstractA total of 479 stool specimens were collected from rural communities of Ubon Ratchathani Province, Thailand and examined by two techniques: the modified Kato thick smear and the direct smear. The prevalence of Opisthorchis viverrini (14.8%), hookworm (10.2%), Sarcocystis spp (4.6%), Taenia spp (2.9%), Strongyloides stercoralis (2.1%), Giardia lamblia (1.2%), Echinostoma spp (0.6%), Ascaris lumbricoides (0.4%), Entamoeba histolytica (0.2%), Chilomastix mesnili (0.2%) and Endolimax nana (0.2%) were determined. The morphology of the Sarcocystis spp sporocysts examined by both procedures looked similar and was found to be easily recognizable. Among these specimens, 22 cases (4.6%) were positive for Sarcocystis infection detected by the modified Kato technique, whereas only one case (0.2%) was detected by both techniques. These differences were found to be statistically significant (p < 0.05), indicating that the modified Kato technique was decidedly more sensitive than the direct smear procedure in identifying Sarcocystis infection. An epidemiological survey was conducted in Khon Kaen Province involving 1124 stool samples using the modified Kato technique. The greatest frequency was Opisthorchis viverrini at 32.0% while the second highest was Sarcocystis spp at 8.0%. The prevalences of hookworm, Echinostoma spp, Taenia spp, Trichuris trichiura and Enterobius vermicularis were 2.7, 2.1, 1.0, 0.2 and 0.2%, respectively. Other than opisthorchiasis, northeastern Thailand may be an endemic area for sarcocystosis. This is the first report of the applicability and potential usefulness of the Kato thick smear technique for the diagnosis of Sarcocystis infection in a field survey.en_US
dc.description.affiliationDepartment of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Pranok Road, Bangkok Noi, Bangkok 10700, Thailand. siatc@mahidol.ac.then_US
dc.identifier.citationTungtrongchitr A, Chiworaporn C, Praewanich R, Radomyos P, Boitano JJ. The potential usefulness of the modified Kato thick smear technique in the detection of intestinal sarcocystosis during field surveys. The Southeast Asian Journal of Tropical Medicine and Public Health. 2007 Mar; 38(2): 232-8en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/31138
dc.language.isoengen_US
dc.source.urihttps://www.tm.mahidol.ac.th/seameo/2007_38_2/04-3932.pdfen_US
dc.subject.meshAdolescenten_US
dc.subject.meshAdulten_US
dc.subject.meshAgeden_US
dc.subject.meshAnimalsen_US
dc.subject.meshCellophaneen_US
dc.subject.meshChilden_US
dc.subject.meshChild, Preschoolen_US
dc.subject.meshFeces --parasitologyen_US
dc.subject.meshFemaleen_US
dc.subject.meshHumansen_US
dc.subject.meshIntestinal Diseases, Parasitic --epidemiologyen_US
dc.subject.meshIntestines --parasitologyen_US
dc.subject.meshMaleen_US
dc.subject.meshMiddle Ageden_US
dc.subject.meshParasite Egg Count --methodsen_US
dc.subject.meshRural Healthen_US
dc.subject.meshSarcocystis --isolation & purificationen_US
dc.subject.meshSarcocystosis --epidemiologyen_US
dc.subject.meshSensitivity and Specificityen_US
dc.subject.meshThailand --epidemiologyen_US
dc.titleThe potential usefulness of the modified Kato thick smear technique in the detection of intestinal sarcocystosis during field surveys.en_US
dc.typeComparative Studyen_US
dc.typeJournal Articleen_US
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