Dataset Information

Molecular diagnosis of polycystic echinococcosis due to Echinococcus vogeli in a Paraguayan immigrant in Argentina.

ABSTRACT: Polycystic echinococcosis due to Echinococcus vogeli is a rare parasitic infection that occurs in rural areas of Central and South America. Only molecular identification performed on formalin-fixed paraffin-embedded liver tissue samples gave an unequivocal diagnosis of this disease in a Paraguayan immigrant in Argentina.

SUBMITTER: Grenouillet F

PROVIDER: S-EPMC3754674 | biostudies-literature | 2013 Sep

REPOSITORIES: biostudies-literature

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Molecular diagnosis of polycystic echinococcosis due to Echinococcus vogeli in a Paraguayan immigrant in Argentina.

Grenouillet F F Frider B B Alvarez Rodriguez J J Amante M M Pestalardo M L ML Cazorla A A Bresson-Hadni S S Millon L L

Journal of clinical microbiology 20130703 9

Polycystic echinococcosis due to Echinococcus vogeli is a rare parasitic infection that occurs in rural areas of Central and South America. Only molecular identification performed on formalin-fixed paraffin-embedded liver tissue samples gave an unequivocal diagnosis of this disease in a Paraguayan immigrant in Argentina. ...[more]

PMID: 23824768

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Project description:BACKGROUND:Cystic echinococcosis (CE) and alveolar echinococcosis (AE) are highly endemic in Xiji County of Ningxia Hui Autonomous Region (NHAR) in China where the control campaign based on dog de-worming with praziquantel has been undertaken over preceding decades. This study is to determine the current prevalence of Echinococcus granulosus and E. multilocularis in domestic dogs and monitor the echinococcosis transmission dynamics. METHODS:Study villages were selected using landscape patterns (Geographic Information System, GIS) for Echinococcus transmission "hot spots", combined with hospital records identifying risk areas for AE and CE. A survey of 750 domestic dogs, including copro-sampling and owner questionnaires, from 25 selected villages, was undertaken in 2012. A copro-multiplex PCR assay was used for the specific diagnosis of E. granulosus and E. multilocularis in the dogs. Data analysis, using IBM SPSS Statistics, was undertaken, to compare the prevalence of the two Echinococcus spp. in dogs between four geographical areas of Xiji by the ?2 test. Univariate analysis of the combinations of outcomes from the questionnaire and copro-PCR assay data was carried out to determine the significant risk factors for dog infection. RESULTS:The highest de-worming rate of 84.0% was found in the northwest area of Xiji County, and significant differences (P?<? 0.05) in the de-worming rates among dogs from the four geographical areas of Xiji were detected. The highest prevalence (19.7%, 59/300) of E. multilocularis occurred in northwest Xiji, though the highest prevalence (18.1%, 38/210) of E. granulosus occurred in southwest Xiji. There was no significant difference (P?>? 0.05) in the prevalence of E. granulosus in dogs from the northwest, southwest, northeast, and southeast of Xiji, but there were significant differences (P?<? 0.05) between dogs infected with E. multilocularis from the four areas. None of the other independent variables was statistically significant. CONCLUSIONS:The results from this study indicate a high prevalence of both E. granulosus and E. muiltilocularis in dogs in Xiji County, NHAR. Transmission of E. multilocularis was more impacted by geographical risk-factors in Xiji County than that of E. granulosus. Dogs have the potential to maintain the transmission of both species of Echinococcus within local Xiji communities, and the current praziquantel dosing of dogs appears to be ineffective or poorly implemented in this area.

Dataset Information

Molecular diagnosis of polycystic echinococcosis due to Echinococcus vogeli in a Paraguayan immigrant in Argentina.

Publications

Molecular diagnosis of polycystic echinococcosis due to Echinococcus vogeli in a Paraguayan immigrant in Argentina.

Similar Datasets

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