Avaliação de técnicas de biópsia renal em ovinos
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Due to lack of studies about renal biopsies in sheep, a comparative study was performed for three renal biopsy techniques in this species. In this study, nine crossbred (Santa Inês) ewe lamb (26.64 kg ±4,86) were used in serial procedures with one week consecutive intervals. The clinical aspects, clinical pathological findings, renal sample weights, histology quality, number of glomeruli, and the presence of artifacts in the histology slices were evaluated using the techniques of percutaneous blind biopsy, ultrasound guided biopsies and of videolaparoscopic procedure. No relevant hematological or biochemical alterations were observed in the animals subjected to renal biopsies and the clinical manifestations detected were slight and transitory, except for one case of urethral obstruction by blood clot. The blind technique was related to more frequent and severe cases of hematuria, with more severe damage to the renal tissue and to the only case of obstruction of the urinary flow. In the videolaparocopic technique, the average weight of the samples was superior and hematuria was slight and transitory. A direct relation was seen between occurrence of severe hematuria and presence of transitional epithelium in the samples and the number of trials used for obtainment of fragments.
author list (cited authors)
Néspoli, P. B., Gheller, V. A., Peixoto, P. V., Carvalho, A. U., França, T. N., Filho, E., de Araújo, D., & Bordin, A. I.