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Collared Pecary (Tayassu tajacu) as a new model of renal ischemic injury induced by clamping the renal artery

Bezerra, Dayseanny de Oliveira; Feitosa, Matheus Levi Tajra; Almeida, Hatawa Melo de; Costa, Francisco Assis Lima; Braga, Juliana Fortes Vilarinho; Souza, Francisco de Assis Leite; Alves, Flávio Ribeiro; Pessoa, Gerson Tavares; Carvalho, Maria Acelina Martins de.
Acta cir. bras.; 29(9): 560-572, Sept. 2014. ilus, graf, tab
Artigo em Inglês | VETINDEX | ID: vti-21947


PURPOSE:The use of the collared peccary as an experimental model for ischemic nephropathy.METHODS:A total of 12 collared peccary (Tayassu tajacu) was used and ischemic nephropathy was induced in six of these animals that constituted the experimental group (G1) while the other six formed the control group (G2). Ischemic nephropathy was induced surgically by partial occlusion of the left renal artery. The disease course was assessed by hematological tests, serum chemistry, urinalysis, ultrasound (US) and doppler ultrasound function of the renal artery before induction, and at five, 10, 15 and 20 days after surgery. Twenty days after the occlusion, unilateral nephrectomy and histopathological examination were performed to assess renal morphology.RESULTS:Statistical analysis by Fischer's test showed a significant difference (p<0.05) between the control group and the experimental group. The histopathological examination showed glomerular, tubular and interstitial lesions. In the experimental group, 83.3% (5 /6) showed moderate renal lesions and only 16.7% (1/6) were classified with no lesions. The ultrasound examination of the right kidney presented statistical difference between day 5 and day 10 post occlusion.CONCLUSION:The collared peccary as a good experimental model for ischemic renal disease, because it could be manipulated during the research time without death, with health conditions that permit any subsequent procedure for disease therapy.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1