M A Idris1, A M Al-Jabri. 1. Department of Microbiology and Immunology, College of Medicine, Sultan Qaboos University, P.O. Box: 35, Al-Khod 123, Muscat, Sultanate of Oman.
Abstract
OBJECTIVES: To assess the efficacy of the Kato-Katz technique and to re-evaluate other routine procedures conducted in the Microbiology Clinical Laboratory at Sultan Qaboos University Hospital (SQUH) and to throw light on the prevalence of intestinal parasitic infections among a small group of food handlers in Muscat. METHOD: Faecal samples collected from food handlers were examined using five parasitological techniques. RESULTS: Out of 100 faecal samples, 53 were positive for one or more of 11 intestinal parasites. The Kato-Katz and trichrome stain methods were found superior to the other techniques in detecting helminthic and protozoan infections, respectively. The auramine stain was useful only in detecting Cryptosporidium parvum oocysts. CONCLUSION: A combination of trichrome stain and Kato-Katz techniques for stool examination is sufficient and recommended for busy laboratories; auramine stain should be applied only to samples with suspected cryptosporidal infections.
OBJECTIVES: To assess the efficacy of the Kato-Katz technique and to re-evaluate other routine procedures conducted in the Microbiology Clinical Laboratory at Sultan Qaboos University Hospital (SQUH) and to throw light on the prevalence of intestinal parasitic infections among a small group of food handlers in Muscat. METHOD: Faecal samples collected from food handlers were examined using five parasitological techniques. RESULTS: Out of 100 faecal samples, 53 were positive for one or more of 11 intestinal parasites. The Kato-Katz and trichrome stain methods were found superior to the other techniques in detecting helminthic and protozoan infections, respectively. The auramine stain was useful only in detecting Cryptosporidium parvum oocysts. CONCLUSION: A combination of trichrome stain and Kato-Katz techniques for stool examination is sufficient and recommended for busy laboratories; auramine stain should be applied only to samples with suspected cryptosporidal infections.
Authors: I Ilardi; S C Shiddo; H H Mohamed; C Mussa; A S Hussein; C S Mohamed; K Bile; A Sebastiani; C Bianchini; S Sanguigni Journal: Trans R Soc Trop Med Hyg Date: 1987 Impact factor: 2.184
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