2005
DOI: 10.1590/s0100-69912005000400011
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Modelo experimental de formação de varizes esofágicas por hipertensão portal esquistossomótica em hamsters

Abstract: OBJETIVO: Desenvolver um modelo experimental de formação de varizes esofágicas por hipertensão portal esquistossomótica em hamsters. MÉTODO: Utilizamos 55 hamsters divididos em dois grupos: grupo I composto de 50 animais infectados com injeção percutânea de 100 cercarias de Schistosoma mansoni da cepa BH; e grupo II composto de cinco animais sadios (grupo de controle). Foram mantidos por um período de incubação de oito semanas. Após este período os animais eram pesados e posteriormente avaliados cirurgicamente… Show more

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Cited by 6 publications
(4 citation statements)
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References 17 publications
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“…It is considered that this experiment does not significantly compromise liver function 2 , 14 . Marques et al 7 showed that there were no changes in the histological aspect and the activity of enzymes indicative of liver damage, but there is a temporary reduction in the liver metabolism, without further hepatocellular damage.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…It is considered that this experiment does not significantly compromise liver function 2 , 14 . Marques et al 7 showed that there were no changes in the histological aspect and the activity of enzymes indicative of liver damage, but there is a temporary reduction in the liver metabolism, without further hepatocellular damage.…”
Section: Discussionmentioning
confidence: 99%
“…The portal pressure in rodents can be measured in millimeters of mercury 10 (mmHg) or centimeters of water 2 . Yokoyama et al 16 , evaluating this pressure in mm Hg, found portal pressures close to 5 mmHg in the control group, and when they performed the portal vein partial ligature this pressure rose to approximately 13 mmHg.…”
Section: Introductionmentioning
confidence: 99%
“…Como consequência da HP, podem surgir varizes esofagogástricas, responsáveis por hemorragia digestiva alta. (ASSEF, 2005) A esquistossomose mansônica, doença provocada pelo parasita Schistosoma mansoni, constitui-se em importante problema de saúde pública no país, especialmente no Nordeste. É uma doença bem conhecida, e pode afetar vários órgãos.…”
Section: Introductionunclassified
“…E-mail: ar.leao@uol.com.br in venous pressure in the portal territory, defined as portal hypertension. This is usually secondary to splenic venous blood flow interference, and clinically translates into collateral circulation, visible as abdominal wall collaterals, ascites, and esophagogastric alterations, specifically esophageal varices, gastric varices, and congestive gastropathy (1,2) . The gradient of portal pressure is the difference between the pressure in the inferior vena cava and the portal vein, and has a normal value of < 6 mmHg.…”
Section: Introductionmentioning
confidence: 99%