ISSN 2398-2993      

Infraorbital / supraorbital nerve blocks

obovis
Contributor(s):

Karin Mueller

Mike Reynolds

Synonym(s): Perineural anesthesia of infraorbital / supraorbital nerve


Introduction

  • Perineural anesthesia of the infraorbital nerve, a branch of the maxillary nerve.
  • Perineural anesthesia of the supraorbital nerve, a continuation of the frontal nerve.
  • To facilitate clinical examination and surgical procedures in the patient.

Uses

  • Infraorbital nerve:
    • Placement of a nose ring in bulls Bull: inserting a nose ring.
    • Facilitates examinations of traumatic lesions of the upper lip, nostrils and bridge of the nose.
    • Minor surgery of the upper lip, nostrils and bridge of the nose.
    • Drug application into the infraorbital canal enables extraction of maxillary pre-molars and possibly the first molar.
    • As an adjunct in a patient under general anesthesia Anesthetizing cattle as part of multi-modal anesthesia and analgesia.
  • Supraorbital nerve:
    • Trephination of the frontal sinuses.
    • Minor surgery of the upper eyelid.
    • Examination and treatment of traumatic skin lesions of the frontal region of the head.
In cattle, other nerves are involved in the sensory innervation of the upper eyelid and frontal sinus (in particular auriculopalpebral nerve and zygomatic nerve branches, respectively). Therefore, blocking the supraorbital nerve only may not be sufficient to achieve full desensitization of the area.


Advantages

  • Inexpensive and minimal equipment required.
  • 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 head restraint and excellent handling facilities are required.

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 of PubMed and VetMedResource.
  • Edmondson M A (2016) Local, regional and spinal anesthesia in ruminants. Vet Clin North Am Food Anim Pract 32 (3), 535-552 PubMed

Other sources of information

  • Dugdale A (2010) Veterinary Anesthesia: Principles to Practice. Wiley-Blackwell, USA.

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