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1.
Rev. Soc. Bras. Med. Trop ; 36(4): 441-447, jul.-ago. 2003. ilus, tab, graf
Artículo en Inglés | LILACS | ID: lil-344766

RESUMEN

Benznidazole is recommended in Brazil for the treatment of Trypanosoma cruzi infection in acute and early chronic phases of Chagas' disease. Observations by others have indicated a higher incidence of neoplasias in immunosuppressed patients, presenting Chagas' disease reactivation, submitted to treatment with benznidazole. In the present study, we investigated whether there is a potentiation in the generation of lymphomas in chronically infected mice, treated with immunosuppressive drugs and benznidazole. For this, 142 Swiss mice chronically infected with the 21 SF strain of T. cruzi and 72 normal Swiss mice were used. Both infected and normal mice were divided into experimental groups and submitted to one of the following treatment regimens: benznidazole alone; immunosuppressive drugs (azathioprine, betamethasone and cyclosporin); a combination of immunosuppressive drugs and benznidazole; and untreated controls. In the infected group treated with benznidazole, one mouse developed a non-Hodgkin's lymphoma. This finding has been interpreted as a spontaneous tumor of mice. The study of the chronically infected mice treated with the combination of immunosuppressive drugs and benznidazole demonstrated an absence of lymphomas or other neoplasias. These findings support the indication of benznidazole, as the drug of choice, for immunosuppressed patients that develop a reactivation of Chagas' disease


Asunto(s)
Animales , Ratones , Enfermedad de Chagas , Inmunosupresores , Neoplasias , Tripanocidas , Azatioprina , Betametasona , Enfermedad de Chagas , Enfermedad Crónica , Ciclosporina , Modelos Animales de Enfermedad , Combinación de Medicamentos , Inmunosupresores , Recuento de Leucocitos , Tripanocidas
2.
Rev. bras. ortop ; 32(3): 236-8, mar. 1997. ilus
Artículo en Portugués | LILACS | ID: lil-209245

RESUMEN

Apresenta-se uma técnica cirúrgica de neurólise externa do nervo ulnar com o uso de anestesia local e sem isquemia peroperatória. Crê-se que este procedimento representa boa opçäo de uso no tratamento ambulatorial em longa escala da neuropatia do nervo ulnar, especialmente em pacientes com hanseníase.


Asunto(s)
Humanos , Procedimientos Quirúrgicos Ambulatorios , Síndromes de Compresión del Nervio Cubital/cirugía
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