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Mammals (other)
Longus capitis and rectus capitis ventralis minor rupture in a horse following general anaesthesia for a laryngeal tie-forward procedure
  1. Imogen Thomas1,
  2. Jonathon J Dixon2 and
  3. Barny Fraser2
  1. 1Cotts Equine Hospital, Narberth, UK
  2. 2Rainbow Equine Hospital, Malton, UK
  1. Correspondence to Dr Imogen Thomas; svyilth{at}gmail.com

Abstract

The authors present a case of a racehorse with acute respiratory distress, bilateral epistaxis and laryngeal swelling following a laryngeal tie-forward procedure. An emergency tracheostomy was performed following brief endoscopic examination identifying significant pharyngeal collapse and a minimally patent airway. No cranial nerve deficits or obvious neurological abnormalities were present. Lateral radiographs ruled out a fracture and provided a preliminary diagnosis of hyperextension injury. CT 24 hours later showed marked soft tissue swelling consistent with haemorrhage associated with the ventral straight muscles, causing median septum disruption. No fractures were identified. Endoscopy four days postoperatively confirmed the haemorrhage was external to the guttural pouches consistent with ventral straight muscle rupture. The horse was treated conservatively with five weeks of box rest. The tracheostomy tube was removed 19 days postoperatively. The horse was then discharged and gradually returned to exercise, winning a race nine months later.

  • respiratory disease
  • laryngeal tie forward
  • ventral straight muscle rupture
  • soft tissue surgery
  • computed tomography (CT)
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Footnotes

  • Contributors All authors were involved with the reported case. IT wrote the manuscript with support from JJD and BF.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data availability statement All data relevant to the study are included in the article.

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