ISSN 2398-2993      

Nerve blocks: front and hindlimbs

obovis
Contributor(s):

Karin Mueller

Mike Reynolds

Synonym(s): Perineural anesthesia of distal limb nerves, Conduction blocks


Introduction

  • Perineural anesthesia of distal limb nerves.
  • Individual nerve blocks and ring block are described.

Uses

  • Facilitates examination and treatment of painful conditions of the distal limb, including wounds and foot lesions.
  • Enables claw amputation and joint lavage Joint lavage: through-and-through.
  • As an adjunct in a patient under general anesthesia Anesthetizing cattle as part of multi-modal anesthesia and analgesia.
In cattle, the nerve supply to the distal limb is diffuse and innervation zones overlap to a degree. Therefore, blocking individual nerves may not achieve complete desensitization of the intended region.


Advantages

  • Inexpensive and minimal equipment needs.
  • Minimal side effects.
  • Allows standing surgery.
  • Minimal patient recovery time.

Disadvantages

  • Depending on accuracy of block placement, the area of desensitization can be variable.
  • Knowledge of the anatomical landmarks is required.
  • Good restraint of the animal and its limb is required Restraint techniques.
  • Risk of introducing infection if aseptic preparation of the site in not undertaken appropriately.

Requirements

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Preparation

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Procedure

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Aftercare

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Outcomes

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Further Reading

Publications

Refereed Papers

  • Recent references from PubMed and VetMedResource.
  • Yavari S, Khraim N, Szura G et al (2017) Evaluation of intravenous regional anaesthesia and four-point nerve block efficacy in the distal hind limb of dairy cows. BMC Vet Res 13 (1), 320 PubMed

Other sources of information

  • Dugdale A (2010) Veterinary Anaesthesia: Principles to Practice. Wiley-Blackwell.

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