ISSN 2398-2977      

Tarsus: fracture

pequis

Introduction

Pathogenesis

Etiology

  • Direct impact   →   tibial malleoli, trochlear ridges, calcaneal tuber and fourth tarsal bone (the latter usually in combination with injury to fourth metatarsal bone   MC / MT 2 and 4: fracture  ).
  • Trapped limb, eg in cattle grid or fence   →   luxations and fractures of the body of the talus, other major tarsal fractures.

Pathophysiology

  • Strong collateral and periarticular ligaments plus insertions of cranial tibial and peroneus tertius muscles provide marked stability to the joint.
  • Direct blows to the hock can result in an open fracture and   →   osteomyelitis, deep digital flexor tenosynovitis   Tarsus: tarsal sheath tenosynovitis  and luxation of the superficial digital flexor tendon   SDFT: luxation  .

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.
  • Kearney C, McAllister H & Jenner F (2010) Conservative management of comminuted central tarsal bone fracture and joint instability in a horse. Equine Vet Educ 22 (3), 107-111 VetMedResource.
  • Kelmer G, Wilson D A & Essman S C (2008) Computed tomography assisted repair of a central tarsal bone slab fracture in a horse. Equine Vet Educ 20 (6), 284-287 VetMedResource.
  • Clegg P (2006) Conditions of the equine tarsal joints. UK Vet 11 (7), 6-12 VetMedResource.
  • Kettunen J et al (1992) Fracture of the lateral talus process- a case report. Acta Orthopedica Scandinavica 63 (3), 356-357 PubMed.
  • Martin F & Herthel D J (1992) Central tarsal bone fractures in 6 horses - report on the use of a cannulated compression bone screw. Equine Pract 14 (10), 23-27 VetMedResource.
  • Wright I M (1992) Fractures of the lateral malleolus of the tibia in 16 horses. Equine Vet J 24 (6), 424-429 PubMed.
  • Moll H D et al (1987) Traumatic tarsal luxation repaired without internal fixation in three horses and three ponies. JAVMA 190, 297-300 PubMed.
  • Stickle R L & Stick J A (1987) Non-displaced slab fracture of the central tarsal bone. JAVMA 191, 579-580.
  • Tulamo R M et al (1983) Fractures of the central and third tarsal bones in horses. JAVMA 182, 1234-1238 PubMed.
  • Sack W O & Ferraglio S (1978) Clinically important structures of the equine hock. JAVMA 172, 277-280 PubMed.

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