Canis ISSN: 2398-2942

Arthrodesis: pantarsal

Contributor(s): Sorrel Langley-Hobbs

Introduction

  • To fuse the tibiotalar joint (and adjacent joints), thereby preventing painful movement.
  • A surgical challenge as the tarsus is a high motion joint with a standing angle between 135° and 145°.
  • See arthrodesis overview Arthrodesis: overview.
Methods

Uses

Advantages

Lateral bone plate fixation
  • Medial application of customised bone plate loads it on its edge and increases its resistance to bending forces, thus improving on its inherent weaknesses.
  • Plate has a hock angle of 135° in the dog.
  • Easy surgical approach and easy positioning of the dog for surgery.

Disadvantages

  • Standing angle of 135° puts extremely large forces on implants.
  • Stress riser on the narrow tibia - could lead to tibial fracture.
  • Bones are small, and difficult to use tension band principle of fixation (palmar surgical approach).
  • Difficult to stop motion at the tibiocalcaneal joint, which can cause residual lameness by pull of the Achilles tendon.

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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Prognosis

  • Usually fair to good provided no concurrent disease of hip or stifle.
  • Noticeable lameness common (50-75%).

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Roch S P, Clements D N, Mitchell R A et al (2008) Complications following tarsal arthrodesis using bone plate fixation in dogs. JSAP 49 (3), 117-126 PubMed.
  • McKee W M, May C, Macias C et al (2004) Pantarsal arthrodesis with a customised medial or lateral bone plate in 13 dogs. Vet Rec 154 (6), 165-170 PubMed.
  • DeCamp C E, Martinez S A & Johnston S A (1993) Pantarsal arthrodesis in dogs and a cat: 11 cases (1983-1991). JAVMA 203 (12), 1705-1707 PubMed.

Other sources of information

  • Piermattei D L & Johnson K A (2004)An Atlas of Surgical Approaches to the Bones and Joints of the Dog and Cat.Saunders.
  • Slatter D (2003)Textbook of Small Animal Surgery.3rd edn. Saunders.
  • Denny H & Butterworth S (2000)A Guide to Canine and Feline Orthopedic Surgery.Wiley-Blackwell.


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