ISSN 2398-2977      

Flexor tendon: trauma

pequis

Introduction

Print off the Owner factsheet on Tendon injuries to give to your clients.

Pathogenesis

Etiology

  • Trauma:
    • Over-reach.
    • Direct kick.
    • Kicking out at gates, metal sheeting.
    • Rolling and hitting sharp object.

Pathophysiology

  • Traumatic laceration at back of foot/limb → severance of flexor tendon(s) → loss of weight bearing capacity and stay apparatus → loss of limb stability → hyperextension of joint.
  • Hyperextension → tension and tearing of digital vessels and nerves → possible loss of digital arterial supply → limits healing capacity and → digital necrosis.
    • Partial thickness tear can → full thickness with weightbearing.
  • Calcaneal tendon:
    • Partial thickness tear can → full thickness with weight bearing.

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.
  • Everett E, Barrett J G & DeVita R (2012) Biomechanical testing of a novel suture pattern for repair of equine tendon lacerations. Vet Surg 41 (2), 278-285 PubMed.
  • Jordana M, Wilderians H, Boswell J et al (2011) Outcome after lacerations of the superficial and deep digital flexor tendons, suspensory ligament and/or distal sesamoidean ligaments in 106 horses. Vet Surg 40 (3), 277-283 PubMed.
  • Whitfield-Cargile C, Dabareiner R M & Sustaire D (2011) Use of a fetlock support brace to manage lacerations of equine flexor tendons. Equine Vet Educ 23 (1), 46-52 VetMedResource.
  • Kidd J A, Voute L C & Hewetson M (2004) Rupture of the flexor tendons of a horse secondary to a non-responsive digital sheath sepsis. Vet Rec 155 (7), 201-204 PubMed.
  • Valdes-Vasquez M A et al (1996) Evaluation of an autologus tendon graft repair method for gap healing of the deep digital flexor tendon in horses. Vet Surg 25, 342-350 PubMed.
  • Taylor D S et al (1995) Digital flexor tendon lacerations in horses; 50 cases (1975-1990). JAVMA 206 (3), 342-346 PubMed.
  • Gaughan E M et al (1995) The influence of sequential intratendinous sodium hyaluronate on tendon healing in horses. Vet Comp Ortho Trauma 8, 40-45 VetMedResource.
  • Easley K J et al (1990) Mechanical properties of four suture patterns for transected equine tendon repair. Vet Surg 19, 102-106 PubMed.

Other sources of information

  • Watkins J P et al (1999) Tendon and Ligament Disorders. In: Equine Surgery. Ed: Aver J A & Stick J A. W B Saunders Co, USA. pp 111-115.

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