Fasciola hepatica is found on every continent with nearly 180 million people at risk and an estimated 2. Natividad carpio1, angelica terashima iwashita 1,2 prevalence of human infections caused by fasciola hepatica in caujul. Fasciola hepatica is a parasitic fluke that lives in the liver. Fasciola hepatica is one of the largest flukes of the world, reaching a length of 30 mm and a width of mm fasciola gigantica, though, is even bigger and can reach up to 75 mm. Pdf infeccion por fasciola hepatica y fasciolosis fasciola. Fasciolosis is a parasitic worm infection caused by the common liver fluke fasciola hepatica as well as by fasciola gigantica. Fasciolosis is a zoonosis affecting ruminants, caused by the liver flukes fasciola f. Fascioliasis is found in all continents except antarctica, in over 70 countries, especially where there are sheep or cattle. Milestones in the discovery of the life cycle of fasciola hepatica. It infects the livers of various mammals, including humans. The assay has been validated using naturally infected populations and is the first test enabling the identification of herds and individuals that exceed an acceptable level of infection. Fascioliase hepatica humana tratada com triclabendazol.
Fasciola hepatica bahiya basheer 2nd year mbbs student 2. Epidemiology and impact of fasciola hepatica exposure in high. Fasciola hepatica adalah salah satu trematoda hati yang bersifat hermaprodit yang dapat menimbulkan penyakit fascioliasis. During intraocular surgery of a 44yearold woman from guilan province in north iran, a small flat parasite was removed from the anterior chamber angle of the left eye. It causes damage to the liver tissues producing liver rot in all sheep breeding areas of the world. 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. Lesions containing parasitic remnants or fluke eggs were rarely seen. Fasciolosis humana y compromiso gastrointestinal scielo. In acute cases, serological reactions as immunoblothing or detection of parasite antigens in the blood are useful. Fasciola hepatica pdf animal diseases epidemiology. It tends to be more oblong with a longer rounded posterior end as compared to broadly pointed posterior end of f. Hay dos especies principales, fasciola hepatica y f. Fasciolosis, an important zoonosis, is classified by who as a neglected tropical disease. It is leafshaped, pointed at the back posteriorly, and wide in the front anteriorly.
Eggs of fasciola hepatica have been found in mummies, showing that human infection was occurring at least as early as pharaonic times farag. Fasciola hepatica is a trematode parasite in the same family as schistosomes and shares crossreactive antigens with schistosomes. Man may become infested with this fluke by eating uncooked vegetables. Oct 20, 2014 the two species of trematodes that cause fascioliasis fasciola hepatica and fasciola gigantica are leafshaped worms, large enough to be visible to the naked eye adult f. The intermediate host is a hermaphroditic lymnaeid snail major sources of human. In sheep, the migratory phase of the parasite produces severe parenchymal disease of the liver for which the parasite is called sheep liver fluke and the disease is known as liver rot. Fascioliasis is a parasitic infection typically caused by fasciola hepatica, which is also known as the common liver fluke or the sheep liver fluke. Oct 11, 2019 fasciola, lymnaeids and human fascioliasis, with a global overview on disease transmission, epidemiology, evolutionary genetics, molecular epidemiology and control. Pdf fasciola hepatica human infection luis falconi. It has been classified as a neglected tropical disease. Fasciolosis humana y compromiso gastrointestinal semantic scholar. It affects humans, but its main host is ruminants such as cattle and sheep. Association of fasciola hepatica infection with liver fibrosis, cirrhosis, and cancer.
Abstract the definite hosts of fasciola hepatica are sheeps, cows, and humans. 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. Fasciola hepatica the liver fluke zoology for ias, ifos. Fasciola hepatica commonly called sheep liver fluke. The disease is a plantborne trematode zoonosis, and is classified as a neglected tropical disease ntd.
It is known as the common liver fluke and causes a disease called fascioliasis. Follow me to a labeled images of fasciola hepatica. Fasciola hepatica an overview sciencedirect topics. Apresenta facilidade posologica, assim como rapida resposta terapeutica. Large 140 75 lm oval, yellowbrown, operculated eggs are excreted in the faeces of infected animals and hatch into. Fascioliasis is a waterborne and foodborne zoonotic disease caused by two parasites of class trematoda, genus fasciola. The life cycle of fasciola hepatica starts when a female lays eggs in the liver of an infected human. It is a parasitic trematode fluke or flatworm in the phylum platyhelminthes. Sixteen human cases of fasciola hepatica infection are described. Machicado, 3 vicente maco, 4 angelica terashima, 4 and luis a. Fasciola hepatica, fasciolose, perdas economicas tema central.
The trematodes fasciola hepatica also known as the common liver fluke or the sheep liver fluke and fasciola gigantica are large liver flukes f. Fasciola hepatica, also known as the common liver fluke, is a trematode parasite of sheep and cattle with a widespread distribution worldwide and in the uk, where fluke prevalence in adult dairy cattle has been reported to be 48% to 76% salimibejestani et al. Pdf fasciola hepatica in the human eye abdolhossein. Fascioliasis, revision clinicoepidemiologica y diagnostico. Fasciola hepatica in ruminants digestive system merck. Il parassita adulto depone uova che vengono portate dalla bile nellintestino e raggiungono lesterno con le feci necessariamente in ambiente acquatico.
The liver was involved in cases, the gall bladder in 9 cases and the stomach in 2 cases. 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. Fasciola hepatica simple english wikipedia, the free. Association of fasciola hepatica infection with liver. Fascioliasis due to fasciola hepatica and fasciola gigantica infection. The egg the eggs of fasciola hepatica are operculated and average 140. Prevalence of fasciola hepatica in humans and cattle in the department of quindiocolombia 201220. A related parasite, fasciola gigantica, also can infect people. In acute cases, serological reactions as immunoblothing or. 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.
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. Prevalence is highest in areas where extensive sheep and cattle raising occurs and where dietary practices include the consumption of raw aquatic vegetables. According to morphological characterisation of the parasite, it was identified as. Many mammals, including sheep, cattle, rodents, marsupials and humans, can act as definitive hosts.
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