Transactions of the Royal Society of Tropical Medicine and Hygiene · 2017
Diagnostic performance of Mini Parasep® solvent-free faecal parasite concentrator relative to Kato-Katz and McMaster for the diagnosis of intestinal parasitic infections.
Сравнительное исследованиеСтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАВалидационное исследованиеНазвание и аннотация: Перевод в очереди
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Adugna Shimeles, Kebede Tadesse, Mekonnen Zeleke, Degarege Abraham, Liang Song, Erko Berhanu
Аннотация
BACKGROUND: In this cross-sectional study, we compared the performance of Mini Parasep® solvent-free (SF) faecal parasite concentrator, Kato-Katz thick smear and McMaster techniques for the diagnosis of intestinal parasitic infections among children in Wosha Soyama Primary School, Ethiopia.
METHODS: Stool samples were collected from 381 children and examined for intestinal parasitic infections using Mini Parasep® SF faecal parasite concentrator, Kato-Katz thick smear and McMaster techniques.
RESULTS: About 86.1% of children were infected with at least one species of intestinal parasite based on combined results of the three techniques. The sensitivity and negative predictive values of Mini Parasep® SF, Kato-Katz and McMaster tests for detecting at least one species of intestinal parasite infections were 90.2% and 62.4%, 80.0% and 44.5%, and 55.2% and 26.5%, respectively. While Mini Parasep® SF was more sensitive in detecting Ascaris lumbricoides, Schistosoma mansoni and Hymenolepis nana infections, Kato-Katz was more sensitive in detecting Trichuris trichiura infection, and McMaster had higher sensitivity in diagnosing hookworm infection.
CONCLUSIONS: The Mini Parasep® SF faecal parasite concentrator technique showed better performance than the Kato-Katz and McMaster techniques for the detection of intestinal helminth infections in stool samples, particularly for S. mansoni, A. lumbricoides and H. nana. Hence, Mini Parasep® SF could be used as one of the suitable faecal examination methods for surveillance and monitoring of preventive chemotherapy of schistosomiasis.
METHODS: Stool samples were collected from 381 children and examined for intestinal parasitic infections using Mini Parasep® SF faecal parasite concentrator, Kato-Katz thick smear and McMaster techniques.
RESULTS: About 86.1% of children were infected with at least one species of intestinal parasite based on combined results of the three techniques. The sensitivity and negative predictive values of Mini Parasep® SF, Kato-Katz and McMaster tests for detecting at least one species of intestinal parasite infections were 90.2% and 62.4%, 80.0% and 44.5%, and 55.2% and 26.5%, respectively. While Mini Parasep® SF was more sensitive in detecting Ascaris lumbricoides, Schistosoma mansoni and Hymenolepis nana infections, Kato-Katz was more sensitive in detecting Trichuris trichiura infection, and McMaster had higher sensitivity in diagnosing hookworm infection.
CONCLUSIONS: The Mini Parasep® SF faecal parasite concentrator technique showed better performance than the Kato-Katz and McMaster techniques for the detection of intestinal helminth infections in stool samples, particularly for S. mansoni, A. lumbricoides and H. nana. Hence, Mini Parasep® SF could be used as one of the suitable faecal examination methods for surveillance and monitoring of preventive chemotherapy of schistosomiasis.