Comparative study of epidural anesthesia in dogs by weight or occipito-coccygeal distance

Author:

Leite Gisele Martins de Paula1,Augusto Luís Eugênio Franklin1,Pereira Vanessa Guedes2,Cunha Adriano França1,Pontes Kelly Cristine de Sousa1,Santana Jader Lúcio Pinheiro1

Affiliation:

1. Faculdade de Ciências Biológicas e da Saúde, Brazil

2. Universidade Federal de Viçosa, Brazil

Abstract

ABSTRACT The effects of volume on lumbosacral epidural block in dogs were evaluated using two different doses of 2% lidocaine. Ten adult dogs, without defined breed, were subjected to two different anesthetic protocols. In the first, the local anesthetic was calculated based on the body weight (GP), wherein 1.0 mL of local anesthetic was used for each 3.5 kg; in the second protocol, the dose was stipulated according to the occipito-coccygeal (DG) distance with 1.5mL of local anesthetic for every 10 cm of distance. The available time, recovery period, extent of block, and rectal temperature were measured. After the analysis of the results, it was possible to verify that there was an increase in the time in GD when compared with GP, due to the greater volume administered in that group. The recovery period remained similar in both groups, despite the use of different doses. Regarding the extent of blockade, there was an increase in GD in relation to GP due to the increase of the local anesthetic dose. On the other hand, the rectal temperature presented a difference between the groups, remaining lower and below the reference values for the species in GD compared with GP at all moments analyzed, possibly due to a sympathetic action triggered by the cranial extension of the epidural block. It could be concluded that when a longer time and a more cranial blockade of epidural anesthesia are desired, the anesthesia volume should be based on the occipito-coccygeal distance, however, observing the rectal temperature.

Publisher

FapUNIFESP (SciELO)

Subject

General Agricultural and Biological Sciences,General Veterinary

Reference18 articles.

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4. Anestesia epidural com lidocaína isolada e associada ao fentanil para realização de ovariossalpingohisterectomia em cadelas;Cassu RN;Arquivo Brasileiro de Medicina Veterinária e Zootecnia,2008

5. Anestesia peridural com lidocaína isolada ou associada à clonidina: efeito cardiorrespiratório e analgésico em cães;Cassu RN;Ciência Rural,2010

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