Comparison of palmar digital neurectomy by the guillotine technique and palmar digital neurotomy associated with end-to-side neurorrhaphy in mares

Authors

  • Taís Brito Santana Secretaria da Agricultura e Abastecimento do Estado do Paraná
  • Gentil Ferreira Gonçalves Universidade Federal da Fronteira Sul, Curso de Medicina Veterinária
  • Duvaldo Eurides Universidade Federal de Uberlândia, Faculdade de Medicina Veterinária
  • Eduardo José de Almeida Araújo Universidade Estadual de Londrina
  • Patricia Romagnolli Universidade Federal da Fronteira Sul, Curso de Medicina Veterinária
  • Marshal Costa Leme Universidade Federal do Espírito Santo, Faculdade de Medicina Veterinária
  • Guilherme Sales Cerci Grupo COVEPA S.A.
  • Campo Amor Vieira da Cunha Neto Universidade Estadual Paulista, Campus Botucatu, Faculdade de Medicina Veterinária e Zootecnia

DOI:

https://doi.org/10.11606/issn.1678-4456.v53i2p153-160

Keywords:

Neuroma, Peripheral nerve, Equine, Surgery

Abstract

Five mares were submitted to palmar digital neurectomy by the guillotine technique and palmar digital neurotomy followed by end-to-side neurorrhaphy (right and left thoracic limbs, respectively). Mares were checked for local pain sensation using hoof tester and submitted to lameness workup at 15-day intervals. No evidence of painful neuroma formation was detected. Palmar digital nerve (PDN) stump segments were collected within 60 days of surgery. Mean left and right limb PDN stump thickness corresponded to 5.96 mm and 7.16 mm, respectively. Schwann cells prevailed over connective healing tissue in all PDN stumps studied. Well-formed nerve-like structures with better organized nervous tissue and predominance of parallel nerve fiber orientation were documented in left limb PDN stumps. End-to-side neurorrhaphy tended to promote tissue organization, potentially reducing the chances of neuroma formation.

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Published

2016-06-28

How to Cite

Santana, T. B., Gonçalves, G. F., Eurides, D., Araújo, E. J. de A., Romagnolli, P., Leme, M. C., Cerci, G. S., & Cunha Neto, C. A. V. da. (2016). Comparison of palmar digital neurectomy by the guillotine technique and palmar digital neurotomy associated with end-to-side neurorrhaphy in mares. Brazilian Journal of Veterinary Research and Animal Science, 53(2), 153-160. https://doi.org/10.11606/issn.1678-4456.v53i2p153-160

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