Equis ISSN 2398-2977

Patella: fracture

Contributor(s): Stephen Adams, Chris Whitton

Introduction

Pathogenesis

Predisposing factors

General
  • Eventing.
  • Hunting.

Pathophysiology

  • Jumping fence   →   stifle fully flexed, patella held against femoral trochlea   →   direct trauma, eg stifle strikes fence   →   fracture of patella   Musculoskeletal: fracture  .

Timecourse

  • Acute - for direct trauma.
  • Chronic - for degenerative joint disease.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Reardon R & Lischer C (2008) Diagnosis and management of acute stifle injury in adult horses. In Pract 30 (8), 426-433 VetMedResource.
  • Marble G P & Sullins K E (2000) Arthroscopic removal of patellar fracture fragents in horses - five cases (1989-1998). JAVMA 216 (11), 1799-1801 PubMed.
  • Dyson S et al (1992) Clinical and radiographic features, treatment and outcome in 15 horses with fracture of the medial aspect of the patella. Equine Veterinary Journal 24 (4), 264-268 PubMed.
  • McIlwraith C W (1990) Osteochondral fragmentation of the distal aspect of the patella in horses. Equine Vet J 22, 157-163 PubMed.
  • Parks A H & Wyn-Jones G (1988) Traumatic injuries of the patella in five horses. Equine Vet J 20, 25-28 PubMed.


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