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Equine veterinary journal1993; 25(4); 304-308; doi: 10.1111/j.2042-3306.1993.tb02968.x

Paravertebral thoracolumbar anaesthesia in 10 horses.

Abstract: The caudal border of the last rib was used as a reliable point of orientation while performing paravertebral thoracolumbar anaesthesia (PTLA) on 10 horses undergoing standing flank laparotomy. The local anaesthetic in all horses was 2% lidocaine. The PTLA procedure was completed in 9.8 +/- 1.8 mins (mean +/- sd). Sedation was provided by a combination of intravenous morphine with xylazine or detomidine. Overall analgesia, provided by the combination of PTLA and sedation, was rated as excellent in 2 horses and good in 6 horses. In the remaining 2 horses, overall analgesia was rated as fair because of incomplete analgesia at the ventral portion of the incision. Total time, from start of PTLA to end of surgery was 143.5 +/- 24.2 mins. Five horses responded mildly to suturing of the ventral portion of the incision. Apart from 1 horse which developed transient, unilateral hindlimb weakness intraoperatively, no other complications were noticed. We conclude that PTLA can easily be performed in the horse and, combined with systemic sedation, is an effective and safe method of providing analgesia for standing flank laparotomy.
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Publication Date: 1993-07-01 PubMed ID: 8354216DOI: 10.1111/j.2042-3306.1993.tb02968.xGoogle Scholar: Lookup
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  • Journal Article

Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

This research study performed paravertebral thoracolumbar anaesthesia (PTLA) on horses with the use of lidocaine, paired with sedation to numb the animals for a surgery. The findings concluded that PTLA, combined with sedation, is a safe and effective method for standing flank laparotomy procedures in horses.

Methodology

  • The procedure was performed on 10 horses that required a flank laparotomy surgery, which refers to an abdominal surgical incision on the horse’s flank area. This surgery was performed while the horses were standing.
  • The researchers used the caudal border of the last rib as a reference for administering the paravertebral thoracolumbar anaesthesia (PTLA). PTLA is a type of nerve block technique that numbs the sensation in the thoracic and lumbar spinal nerves.
  • The anaesthesia was administered using a 2% lidocaine solution. Lidocaine is a commonly used local anaesthetic and antiarrhythmic drug.
  • The horses were also sedated with a combination of morphine, xylazine, or detomidine given intravenously.

Results

  • The average completion time of the PTLA procedure was approximately 9.8 minutes.
  • Overall, the analgesia, provided by the combination of sedatives and PTLA, was rated as excellent in 2 horses and good in 6 horses. 2 horses demonstrated fair results due to incomplete analgesia at the ventral portion of the incision.
  • The total surgery time, from the start of PTLA to the end of the operation, averaged around 143.5 minutes.
  • Five horses exhibited a mild reaction to the suturing of the ventral part of the incision.
  • There were no significant complications during the course of the procedures except for one horse which developed temporary, unilateral hindlimb weakness intraoperatively.

Conclusion

  • The researchers concluded that paravertebral thoracolumbar anaesthesia (PTLA), combined with systemic sedation, is an effective and safe method for providing pain relief during standing flank laparotomy procedures in horses.
  • Their conclusion suggests that this anaesthetic method could be beneficial in equine surgeries that require the horse to be in a standing position.

Cite This Article

APA
Moon PF, Suter CM. (1993). Paravertebral thoracolumbar anaesthesia in 10 horses. Equine Vet J, 25(4), 304-308. https://doi.org/10.1111/j.2042-3306.1993.tb02968.x

Publication

Equine veterinary journal
ISSN: 0425-1644
NlmUniqueID: 0173320
Country: United States
Language: English
Volume: 25
Issue: 4
Pages: 304-308

Researcher Affiliations

Moon, P F
  • Veterinary Medical Teaching Hospital, University of California, Davis 95616-8754.
Suter, C M

    MeSH Terms

    • Anesthesia, Spinal / adverse effects
    • Anesthesia, Spinal / methods
    • Anesthesia, Spinal / veterinary
    • Animals
    • Ataxia / etiology
    • Ataxia / veterinary
    • Horse Diseases / etiology
    • Horses / physiology
    • Injections, Spinal / veterinary

    Citations

    This article has been cited 1 times.
    1. Rioja E, Rubio-Martínez LM, Monteith G, Kerr CL. Analgesic and motor effects of a high-volume intercoccygeal epidural injection of 0.125% or 0.0625% bupivacaine in adult cows. Can J Vet Res 2013 Oct;77(4):273-80.
      pubmed: 24124269
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