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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/26676
Title: Protozoan enteric infection in aids related diarrhea in Thailand
Authors: Duangdao Waywa
Siriporn Kongkriengdaj
Suparp Chaidatch
Surapee Tiengrim
Boonchai Kowadisaiburana
Suchada Chaikachonpat
Surapol Suwanagool
Angkana Chaiprasert
Alan Curry
Wendi Bailey
Yupin Suputtamongkol
Nicholas J. Beeching
Mahidol University
Bamrasnaradura Hospital
Withington Community Hospital
Liverpool School of Tropical Medicine
Keywords: Medicine
Issue Date: 1-Dec-2001
Citation: Southeast Asian Journal of Tropical Medicine and Public Health. Vol.32, No.SUPPL. 2 (2001), 151-155
Abstract: The aim of this study was to determine the prevalence of enteric protozoa and other pathogens in AIDS patients with diarrhea in Bangkok, Thailand. Of 288 consecutive patients screened in the 10 month period between November 1999 - August 2000 inclusive, 55 (19.2%) had Cryptosporidium spp, 13 (4.5%) had Isospora oocyst, 11 (3.8%) had Giardia lamblia, 3 (0.9%) had Entamoeba histolytica, and 1 (0.3%) had Iodamoeba butschlii infection. The prevalence of microsporidia was 11% in this study. Of 251 patients for whom stool culture for bacteria was performed, enteric bacterial pathogens isolated were Campylobacter spp in 18(7.1%), Salmonella spp in 11 (4.3%), and Shigella spp in 1 (0.5%). Other pathogens found in these patients were Clostridium difficile in 16/102 (15.6%), Mycobacterium spp in 18/287 (6.2%), and Strongyloides stercoralis in 23/288 (8.0%). Overall, parasitic and bacterial pathogens were identified in 140 (48.6%) patients. These pathogens were identified by the routine simple wet smear technique in 32, formalin-ether concentration method in 46, culture for S. stercoralis in 5, and culture for bacteria in 30. Additional test, using modified Ziehl-Neelsen staining, identified cryptosporidial oocyst, isospora oocyst, and Mycobacterium spp in 72. The microsporidia, initially identified by modified trichrome blue staining, all were then determined to be Enterocytozoon bieneusi by thin sectioning electron microscopy. Protozoan and bacterial pathogens were confirmed to be important etiologic agents in diarrhea in AIDS in Thailand. They were all associated with increased mortality. Routine stool examination by simple wet smear detected only one-fourth of these pathogens. Therefore all diagnostic techniques for these organisms should be made more widely available in Thailand.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0042832582&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/26676
ISSN: 01251562
Appears in Collections:Scopus 2001-2005

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