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23 results on '"Alves, G. E. S."'

1. Validação do Nanolipe® como método para determinar a digestibilidade aparente dos nutrientes pelos equinos.

Author

Moss, P. C. B., Rezende, A. S. C., Saliba, E. O., Lana, Â. M. Q., Moura, R. S., Cassou, F., Costa, M. L. L., Freitas, G. P., and Alves, G. E. S.

Abstract

Copyright of Arquivo Brasileiro de Medicina Veterinaria e Zootecnia is the property of Universidade Federal de Minas Gerais, Escola de Veterinaria and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2017
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6. Presencia del síndrome de úlcera gástrica en equinos de la policía militar.

Author

Aranzales, J. R. M., Cassou, F., Andrade, B. S. C., and Alves, G. E. S.

Subjects
PEPTIC ulcer, EQUUS, GASTROSCOPY, HORSE diseases, DISEASE prevalence, RACE horses
Abstract

Copyright of Archivos de Medicina Veterinaria is the property of Universidad Austral de Chile, Facultad de Ciencias Veterinarias and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2012
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22. Experimental ischemia and reperfusion in equine small colon

Author

Rafael Faleiros, Alves, G. E. S., Santos, R. L., Marques Jr, A. P., Macoris, D. G., Universidade Estadual Paulista (Unesp), and Universidade Federal de Minas Gerais (UFMG)

Subjects
Isquemia, acute abdomen, Equine, abdome agudo, ischemia, small colon, injúria de reperfusão, Cólon menor, reperfusion injury, Equino
Abstract

Submitted by Guilherme Lemeszenski (guilherme@nead.unesp.br) on 2013-08-22T18:55:30Z No. of bitstreams: 0 Made available in DSpace on 2013-08-22T18:55:30Z (GMT). No. of bitstreams: 0 Previous issue date: 2001-06-01 Made available in DSpace on 2013-09-30T19:48:23Z (GMT). No. of bitstreams: 0 Previous issue date: 2001-06-01 Submitted by Vitor Silverio Rodrigues (vitorsrodrigues@reitoria.unesp.br) on 2014-05-20T15:12:50Z No. of bitstreams: 0 Made available in DSpace on 2014-05-20T15:12:50Z (GMT). No. of bitstreams: 0 Previous issue date: 2001-06-01 Sob anestesia geral, com constante controle sobre a pressão arterial e a saturação de oxigênio da hemoglobina arterial, realizou-se celiotomia em 12 eqüinos. No cólon menor exposto foram demarcados três segmentos de 25cm, separados entre si por igual distância. Dois desses segmentos foram submetidos à isquemia arteriovenosa completa por 90 (grupo A) ou 180 minutos (grupo B). O terceiro segmento foi o grupo-controle. Amostras para histopatologia foram colhidas ao final dos períodos de isquemia e após 90 e 180 minutos de reperfusão no grupo A e após 90 minutos de reperfusão no grupo B. No controle, colheram-se amostras no início e final do procedimento. Avaliaram-se as lesões produzidas na mucosa e na submucosa pelos métodos semiquantitativos-escores para desprendimento de epitélio, edema, hemorragia e infiltrado de neutrófilos, e pelos quantitativos-porcentagem de perda de mucosa (PM) e razão cripta:interstício (C:I). As lesões isquêmicas foram mais intensas no grupo B do que no A para PM, C:I, desprendimento de epitélio e edema de mucosa. As amostras obtidas após a reperfusão revelaram que houve agravamento na PM, C:I, desprendimento de epitélio e edema de submucosa em ambos os grupos. Concluiu-se que a reperfusão agravou as lesões isquêmicas no cólon menor e que o modelo proposto é viável para produção dessas lesões. The effects of ischemia and reperfusion were studied in the small colon of 12 horses. Under general anesthesia, arterial pressure and arterial hemoglobin oxygen saturation values were maintained constant and within the normal physiological range. After celiotomy, the small colon was exposed and three segments were demarcated. Total arterial venous ischemia was induced in two segments during 90 (group A) and 180 (group B) minutes. The third segment was the control group. Full-thickness biopsy specimens, for histopathology, were obtained at the end of the ischemia periods and at 90 (groups A and B) and 180 minutes (group A) of reperfusion. The mucosa and the submucosa were evaluated by semiquantitative morphological assessment such as epithelial detachment, edema and hemorrhage, and by quantitative morphological assessment such as percentual depth of mucosal loss (ML) and mucosal crypt:interstitium ratio (C:I). After ischemia, lesions such as ML, C:I, epithelial detachment and mucosal edema were more intense in group B when compared to group A. In both groups after reperfusion there were significant increases in ML, C:I, epithelial detachment and submucosal edema. The results showed aggravation of the mucosal lesions in the reperfusion period in equine small colon, and the model was considered adequate for experimental purposes. UNESP FCAV UFMG Escola de Veterinária UNESP Faculdade de Ciências Agrárias e Veterinárias UNESP FCAV UNESP Faculdade de Ciências Agrárias e Veterinárias

23. Mechanical nociceptive thresholds of dorsal laminae in horses after local anaesthesia of the palmar digital nerves or dorsal branches of the digital nerve.

Author

Paz CF, Magalhães JF, Mendes HM, Rocha Junior S, Belknap JK, Alves GE, and Faleiros RR

Subjects
Anesthesia, Local veterinary, Animals, Cross-Over Studies, Female, Foot physiology, Anesthetics, Local administration & dosage, Hoof and Claw innervation, Horses physiology, Nociception drug effects, Pain veterinary, Peripheral Nerves physiology
Abstract

We examined the hypothesis that the palmar digital nerves (PDNs), but not the dorsal branches (DBs) of the digital nerves, innervate the sensitive dorsal laminae of the equine foot by evaluating the effects of perineural anaesthesia of the PDNs and DBs separately on pain sensation evoked via mechanical stimulation of the dorsal laminae and other regions of the equine foot. Six clinically normal mares were used in a crossover design. A portable dynamometer was used to evaluate mechanical nociceptive thresholds at different points on the dorsal laminae, bulbs of the heel, coronary band and sole before and after the horses underwent perineural injection of PDNs or DBs with a local anaesthetic solution (treated group) or an isotonic saline solution (control group). Cornified tissue was removed from the sole and the dorsal aspect of the hoof wall before evaluations of mechanical nociceptive thresholds. Anaesthetising PDNs distal to the DBs increased mechanical nociceptive thresholds compared to baseline values (P <0.001) at sites assessed in the dorsal laminae, sole, and the bulbs of the heels. Anaesthetising DBs increased mechanical nociceptive thresholds compared to baseline values (P <0.01) only at sites assessed at the most proximal aspect of the foot (i.e., coronary band sites). In conclusion, PDNs, not DBs, are primarily responsible for pain signal transmission evoked by pressure in the dorsal laminae of the foot of clinically normal horses., (Copyright © 2016 Elsevier Ltd. All rights reserved.)

Published
2016
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