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Acta cir. bras ; 29(12): 781-786, 12/2014. tab, graf
Artigo em Inglês | LILACS | ID: lil-731023

RESUMO

PURPOSE: To investigate whether there are differences between the phagocytic function of the remaining lower spleen pole after subtotal splenectomy and autogenous splenic implants. METHODS: Thirty-six male Wistar rats, weighting 364 ± 60g were used. They were subjected to subtotal splenectomy preserving the lower spleen pole and to autogenous splenic implant in the greater omentum. Its viability was assessed microscopically. Phagocytic function was assessed by splenic uptake of the radioisotope-labeled colloid and by macrophages counting. RESULTS: The viability of the autogenous splenic implant and of the lower spleen pole was found in 33 animals, with no difference between them. The weight of the implants was higher than the lower pole of animals from groups G1, G7, G30, G60 and G120. The implants phagocytic function by radioisotope uptake was higher than the lower pole in G7 and G120 groups and it did not differ from the other groups. The number of macrophages was higher in G1, G60, G90 and G120 and did not differ from the other groups. CONCLUSION: Until the 16th week, the phagocytic function was more pronounced in autogenous splenic implants when compared with the lower spleen pole, but it became similar thereafter. .


Assuntos
Animais , Masculino , Autoenxertos/fisiologia , Macrófagos/fisiologia , Fagocitose/fisiologia , Esplenectomia , Baço/fisiologia , Autoenxertos/anatomia & histologia , Contagem de Células/métodos , Seguimentos , Modelos Animais , Omento , Período Pós-Operatório , Ratos Wistar , Baço/anatomia & histologia , Baço/cirurgia , Baço/transplante
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