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An. med. interna (Madr., 1983) ; 19(7): 341-351, jul. 2002.
Article in Es | IBECS | ID: ibc-12129

ABSTRACT

Objetivo: Estudio a largo plazo del modelo de hipertensión portal prehepática en la rata por triple ligadura estenosante portal. Método: En los diferentes estadios evolutivos de la hipertensión portal (1 y1/2, 6, 12 y 14 meses) se realizó un análisis cluster de los animales que permite identificar tres grupos homogéneos (A, B y C) según el peso hepático. Resultados: Los animales con atrofia hepática (grupo C) presentan disminución del peso corporal, esplénico y testicular, así como mayor desarrollo de circulación colateral portosistémica respecto de los grupos A y B. Conclusión: Durante la evolución de la hipertensión portal disminuye de forma progresiva el porcentaje de animales perteneciente al grupo C y aumenta el correspondiente al grupo A, con hepatomegalia, en tanto que el grupo B permanece invariable (AU)


Objective: A long-term study of the prehepatic portal hypertension model by triple stenosing ligation of the portal vein in the rat. Method: A cluster analysis of the animals in the different evolutive stages of portal hypertension (1 1/2, 6, 12 and 14 months) has been carried out. This analysis has made it possible to identify three homogeneous groups (A, B and C) in relationship to the liver weight. Results: The animals with liver atrophy (group C) show a decrease of body, splenic and testicular weights as well as a higher development of the portosystemic collateral circulation in relation to the A and B groups. Conclusion: The percentage of animals belonging to the group C decrease progressively during the evolution of portal hypertension and those animals corresponding to the group A, in which is superior the liver weight, increase, while the B group does not change (AU)


Subject(s)
Rats , Animals , Male , Models, Animal , Hypertension, Portal , Rats, Wistar , Disease Progression , Portal Vein , Atrophy , Collateral Circulation , Ligation , Liver
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