Does the Use of Intratesticular Blocks in Dogs Undergoing Orchiectomies Serve as an Effective Adjunctive Analgesic?

  • Erik Davis Fausak Bel-Rea Institute of Animal Technology 1681 S. Dayton St. Denver, CO 80247
  • Elizabeth Rodriguez Bel-Rea Institute of Animal Technology 1681 S. Dayton St. Denver, CO 80247
  • Anna Elizabeth Simle Bel-Rea Institute of Animal Technology 1681 S. Dayton St. Denver, CO 80247
  • Netwarat Merman Bel-Rea Institute of Animal Technology 1681 S. Dayton St. Denver, CO 80247
  • Dakota Cook Bel-Rea Institute of Animal Technology 1681 S. Dayton St. Denver, CO 80247

Published:

2018-12-10

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DOI

https://doi.org/10.18849/ve.v3i4.206

Abstract

PICO question

In dogs undergoing orchiectomy, does the use of intratesticular blocks reduce the pain in patients compared to not using intratesticular blocks?

Clinical bottom line

Low level of evidence suggests that when compared to a pre-medication with pure-µ agonist opioids, intratesticular blocks do not appear to provide significant benefit.  However, based on our clinical scenario where pre-medication is with a partial-µ opioid like buprenorphine, there may be benefit in utilising intratesticular lidocaine or bupivicaine.


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Author Biographies

Erik Davis Fausak, Bel-Rea Institute of Animal Technology 1681 S. Dayton St. Denver, CO 80247

Erik is a faculty member and archivist at Bel-Rea Institute of Animal Technology.  His primary objective is to train veterinary technicians and nurses in evidence-based strategies of decision making.

Elizabeth Rodriguez, Bel-Rea Institute of Animal Technology 1681 S. Dayton St. Denver, CO 80247

Elizabeth is a current faculty member at Bel-Rea Institute of Animal Technology.

Anna Elizabeth Simle, Bel-Rea Institute of Animal Technology 1681 S. Dayton St. Denver, CO 80247

Anna Simle is a current Bel-Rea student and works as a Veterinary Technician at Rocky Mountain Feline Rescue in Denver, CO.

Netwarat Merman, Bel-Rea Institute of Animal Technology 1681 S. Dayton St. Denver, CO 80247

Netwarat is an upper quarter student at Bel-Rea Institute of Animal Technology.

Dakota Cook, Bel-Rea Institute of Animal Technology 1681 S. Dayton St. Denver, CO 80247

Dakota is currently a student training to be a veterinary technician at Bel-Rea Institute of Animal Technology.

References

Huuskonen, V. et al. (2013) ‘Intratesticular lidocaine reduces the response to surgical castration in dogs’, Veterinary Anaesthesia and Analgesia, 40(1), pp. 74–82. doi: http://dx.doi.org/10.1111/j.1467-2995.2012.00775.x

McMillan, M. W., Seymour, C. J. and Brearley, J. C. (2012) ‘Effect of intratesticular lidocaine on isoflurane requirements in dogs undergoing routine castration’, Journal of Small Animal Practice, 53(7), pp. 393–397. doi: http://dx.doi.org/10.1111/j.1748-5827.2012.01233.x

Perez, T. E. et al. (2013) ‘Effects of intratesticular injection of bupivacaine and epidural administration of morphine in dogs undergoing castration’, Journal of the American Veterinary Medical Association, 242(5), pp. 631–642. doi: http://dx.doi.org/10.2460/javma.242.5.631

Rodriguez, A. R. Á., Gaviria, E. F. B. and Bonilla, D. F. E. (2016) ‘Evaluación del efecto analgésico de la lidocaína vía intratesticular o intrafunicular en perros sometidos a orquiectomia electiva bajo un protocolo de anestesia disociativa’, Revista Electrónica de Veterinaria. Veterinaria Organización, 17(9), pp. 1–16.

SAMMARCO, J.L., CONZEMIUS, M.G., PERKOWSKI, S.Z., WEINSTEIN, M.J., GREGOR, T.P. and SMITH, G.K., 1996. Postoperative analgesia for stifle surgery: a comparison of intra‐articular bupivacaine, morphine, or saline.Veterinary Surgery25(1), pp.59-69. doi: http://dx.doi.org/10.1111/j.1532-950X.1996.tb01377.x

Stevens, B. J. et al. (2013) ‘Comparison of the effect of intratesticular lidocaine/bupivacaine vs. saline placebo on pain scores and incision site reactions in dogs undergoing routine castration’, The Veterinary Journal, 196(3), pp. 499–503. doi: http://dx.doi.org/10.1016/j.tvjl.2012.11.019

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Vol. 3 No. 4 (2018): The fourth issue of 2018

Section: Knowledge Summaries

Categories :  Small Animal  /  Dogs  /  Cats  /  Rabbits  /  Production Animal  /  Cattle  /  Sheep  /  Pig  /  Equine  / 

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