Peer-reviewed veterinary case report
Minimally invasive repair of a calcaneus fracture in a Standardbred foal.
- Journal:
- Journal of the American Veterinary Medical Association
- Year:
- 2012
- Authors:
- Bonilla, Alvaro G & Smith, Katie J
- Affiliation:
- Milton Equine Hospital · Canada
- Species:
- horse
Plain-English summary
A 4-month-old Standardbred colt had a broken right heel bone for about a week, which was causing him to be very lame and have swelling around his ankle. X-rays showed that the fracture was getting worse, so the veterinarians decided he needed surgery. They performed a minimally invasive procedure to fix the fracture using two screws, and afterward, they wrapped his leg to support it. Although he healed well at first, he later developed a condition called tenosynovitis, which is inflammation of the sheath around a tendon, likely due to one of the screws irritating the area. After removing the screw and giving him some rest, the inflammation went away, and fourteen months later, the colt was no longer lame.
Abstract
CASE DESCRIPTION: A 4-month-old Standardbred colt was examined because of a fractured right calcaneus of 8 days' duration with increased distraction of the fracture fragment evident on sequential radiographs. CLINICAL FINDINGS: The foal was severely lame with diffuse periarticular tarsal swelling. Radiographically, a complete, displaced long oblique fracture of the right calcaneal body was evident. Because the fracture gap was increasing with time and lameness remained severe, despite medical management, surgical repair was recommended. TREATMENT AND OUTCOME: The foal was anesthetized, and minimally invasive fracture reduction and internal fixation were achieved by use of two 4.5-mm cortical screws placed in lag fashion via stab incisions over the lateral aspect of the calcaneus. External coaptation with a Robert-Jones bandage only was used after surgery. The foal recovered well and the fracture healed appropriately, but at 8 weeks following surgery, tenosynovitis of the tarsal sheath had developed. This was attributed to the tip of the distal screw encroaching on the sheath. The screw was removed under anesthesia and the tarsal sheath drained. The tenosynovitis resolved with rest and bandaging. Fourteen months after surgery, the colt was free of lameness. CLINICAL RELEVANCE: Findings suggested that a minimally invasive internal fixation technique for treatment of a calcaneus fracture in horses may be successful and may be associated with decreased morbidity, compared with the use of open reduction and plate fixation.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/23078569/