Iranian journal of parasitology · 2011
Epidemiological studies on echinococcosis and characterization of human and livestock hydatid cysts in mauritania.
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Salem Cb Ould Ahmed, Schneegans F, Chollet Jy, Jemli Mh Et
Аннотация
BACKGROUND: Echinococcosis/hydatidosis is considered endemic in Mauritania. The aim of this study is to present an epidemiological study on the echinococcosis in man and animals in the Nouakchott region.
METHODS: The internal organs from livestock carcasses were inspected for research of hydatid cysts. The hydatid fluid was examined for research of the protoscoleces. Dogs were necropsied for the collect of Echinococcus granulosus.
RESULTS: In the Nouakchott Hospital, 24 surgical operation of human hydatid cysts have been performed, out of which 50% were localised in the lung, 33% in the liver and 17% elsewhere. Then, the incidence rate would be of 1.2% per 100 000 inhabitants in Mauritania. In the dog, the prevalence rate is 14%. The average number of E. granulosus on the whole dogs is 172 and 1227 on the positive dogs. Concerning the livestock, hydatid cysts found in 30.1% of the dromedary, 5.5% of the cattle and 6.5 of the sheep. The fertility rate of hydatid cysts in humans (75%) and camels (76%) was significantly higher than that of sheep (24%) and cattle (23%) (P<0.0001). Hydatid infestation is characterized globally by the dominance of pulmonary localizations in humans (50%) and camels (72.7%) and in the liver in sheep (76.1%) and cattle (82.3%).
CONCLUSION: The differences between prevalence rates, the fertility of hydatid cysts and diversity sites localization observed in humans and camels of one hand and the sheep and cattle on the other hand, depends possibly the strain(s) diversity of E. granulosus.
METHODS: The internal organs from livestock carcasses were inspected for research of hydatid cysts. The hydatid fluid was examined for research of the protoscoleces. Dogs were necropsied for the collect of Echinococcus granulosus.
RESULTS: In the Nouakchott Hospital, 24 surgical operation of human hydatid cysts have been performed, out of which 50% were localised in the lung, 33% in the liver and 17% elsewhere. Then, the incidence rate would be of 1.2% per 100 000 inhabitants in Mauritania. In the dog, the prevalence rate is 14%. The average number of E. granulosus on the whole dogs is 172 and 1227 on the positive dogs. Concerning the livestock, hydatid cysts found in 30.1% of the dromedary, 5.5% of the cattle and 6.5 of the sheep. The fertility rate of hydatid cysts in humans (75%) and camels (76%) was significantly higher than that of sheep (24%) and cattle (23%) (P<0.0001). Hydatid infestation is characterized globally by the dominance of pulmonary localizations in humans (50%) and camels (72.7%) and in the liver in sheep (76.1%) and cattle (82.3%).
CONCLUSION: The differences between prevalence rates, the fertility of hydatid cysts and diversity sites localization observed in humans and camels of one hand and the sheep and cattle on the other hand, depends possibly the strain(s) diversity of E. granulosus.