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Morphological diversity of Trichuris spp. eggs observed during an anthelminthic drug trial in Yunnan, China, and relative performance of parasitologic diagnostic tools

Steinmann, Peter and Rinaldi, Laura and Cringoli, Giuseppe and Du, Zun-Wei and Marti, Hanspeter and Jiang, Jin-Yong and Zhou, Hui and Zhou, Xiao-Nong and Utzinger, Jürg. (2015) Morphological diversity of Trichuris spp. eggs observed during an anthelminthic drug trial in Yunnan, China, and relative performance of parasitologic diagnostic tools. Acta tropica, 141, Pt B. pp. 184-189.

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Official URL: http://edoc.unibas.ch/dok/A6337493

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Abstract

The presence of large Trichuris spp. eggs in human faecal samples is occasionally reported. Such eggs have been described as variant Trichuris trichiura or Trichuris vulpis eggs. Within the frame of a randomised controlled trial, faecal samples collected from 115 Bulang individuals from Yunnan, People's Republic of China were subjected to the Kato-Katz technique (fresh stool samples) and the FLOTAC and ether-concentration techniques (sodium acetate-acetic acid-formalin (SAF)-fixed stool samples). Large Trichuris spp. eggs were noted in faecal samples with a prevalence of 6.1% before and 21.7% after anthelminthic drug administration. The observed prevalence of standard-sized T. trichiura eggs was reduced from 93.0% to 87.0% after treatment. Considerably more cases of large Trichuris spp. eggs and slightly more cases with normal-sized T. trichiura eggs were identified by FLOTAC compared to the ether-concentration technique. No large Trichuris spp. eggs were observed on the Kato-Katz thick smears.
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Eco System Health Sciences > Health Impact Assessment (Utzinger)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Medicine > Diagnostic (Marti)
UniBasel Contributors:Steinmann, Peter and Marti, Hanspeter and Utzinger, Jürg
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Elsevier Science Publ.
ISSN:0001-706X
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:25 Oct 2017 05:51
Deposited On:06 Feb 2015 09:59

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