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