Fasciola hepatica an overview sciencedirect topics. Fasciola hepatica definition of fasciola hepatica by. Fasciolasis hepatica revistas electronicas uach universidad. Fasciola hepatica simple english wikipedia, the free.
Fasciola hepatica sheep liver fluke phylum platyhelminthe class trematoda fasciola gigantica very rarely infects humans. The grass contaminated with feces is the main source of transmission, with snails acting as an essential part of the biological cycle. Fascioliasis due to fasciola hepatica and fasciola gigantica infection. Human fascioliasis is a zoonosis caused by fasciola hepatica f. The disease caused by the fluke is called fascioliasis also kn. The intermediate host is a hermaphroditic lymnaeid snail major sources of human. The life cycle, transmission, morphology, clinical presentation, and treatment of the f. Fasciola hepatica the liver fluke fasciola hepatica is a common fluke found in the liver and bile ducts of cattle, sheep, goat, pig, rabbit, dog etc. Pdf infeccion por fasciola hepatica y fasciolosis fasciola.
The fasciola hepatica is a parasite from the class trematoda of the order digenea, which maintains a wide distribution worldwide. The liver fluke fasciola hepatica is a trematode parasite with a worldwide distribution and is the cause of important production losses in the dairy industry. The disease caused by the fluke is called fascioliasis. Fasciola hepatica in ruminants digestive system merck. It has been classified as a neglected tropical disease. It affects humans, but its main host is ruminants such as cattle and sheep. It infects the livers of various mammals, including humans. Fasciola hepaticaepidemiologia, diagnostico, tratamiento. The fascioliasis is a parasitic infection caused by tremadotes of fasciola genre and the more frequent species is fasciola hepatica which is distributed in all continents and to infecting many mammals, including the man. Fasciola hepatica is a trematode parasite in the same family as schistosomes and shares crossreactive antigens with schistosomes. Fasciola, lymnaeids and human fascioliasis, with a global overview on disease transmission, epidemiology, evolutionary genetics, molecular epidemiology and control. Medicina veterinaria abstract the fasciolose is a disease of great veterinary importance for causing high economical losses, due to the condemnation of great number of livers and carcasses of animals in the slaughterhouses.
The disease caused by the fluke is called fasciolosis or fascioliasis, which is a type of helminthiasis and has been classified as a neglected. Economically important infections are seen in cattle, sheep, alpacas, and llamas in three forms. Fasciola hepatica fasciola hepatica, also known as the common liver fluke or sheep liver fluke, is a parasitic flatworm of the class trematoda, phylum platyhelminthes that infects the livers of various mammals, including humans. It causes damage to the liver tissues producing liver rot in all sheep breeding areas of the world. The definite hosts of fasciola hepatica are sheeps, cows, and humans.
The standard way to be sure a person is infected with fasciola is by seeing the parasite. Abstract fasciola hepatica is a common parasite among herbivores and less frequent. The life cycle of fasciola hepatica starts when a female lays eggs in the liver of an infected human. Fascioliasis, revision clinicoepidemiologica y diagnostico. Dpdx the standard way to be sure a person is infected with fasciola is by seeing the parasite.
Fasciola hepatica, fasciolose, perdas economicas tema central. We report three cases that, in spite off presenting with diverse clinical severity, all had good response to treatment. It is known as the common liver fluke and causes a disease called fascioliasis. To complete its life cycle, this trematode needs an intermediate host, represented by a mollusk from lymnaeidae family. In acute cases, serological reactions as immunoblothing or. It is a parasitic trematode fluke or flatworm in the phylum platyhelminthes it infects the livers of various mammals, including humans.
Fasciola hepatica egg in an unstained wet mount 400x magnification. The lesions mainly are presents in the liver and the clinical symptomatology is. The aim of this observational study was to assess the prevalence of exposure to f. Fasciolosis, in its chronic phase, can cause biliary obstructive jaundice so the. Its diagnosis requires a high index of suspicion because of the polymorphism in its presentation. Humans are accidental hosts in the life cycle of this parasite. Epidemiology and impact of fasciola hepatica exposure in. The disease is a plantborne trematode zoonosis, and is classified as a neglected tropical disease ntd.
Fasciola hepatica is a parasitic fluke that lives in the liver. More than one specimen may need to be examined to find the parasite. Human fascioliasis is a zoonosis produced by the liver fluke fasciola. This study has the purpose to evaluate the effect of triclabendazole over human fasciolasis produced by fasciola hepatica. Fasciola hepatica, also known as the common liver fluke or sheep liver fluke, is a parasitic trematode fluke or flatworm, a type of helminth of the class trematoda, phylum platyhelminthes. Fasciolosis is a parasitic worm infection caused by the common liver fluke fasciola hepatica as well as by fasciola gigantica. Sedimentation technique foreyt, 2005 for quantitative. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. However, treatment with triclabendazole is highly effective. When encysted metacercaria are swallowed by a human, they excyst in the lumen of the.
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