ISSN 2398-2977      

Suspensory ligament: desmitis - proximal

pequis

Synonym(s): PSD, high suspensory disease


Introduction

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

Pathogenesis

Pathophysiology

  • Probably result of cyclical fatigue and repair processes.
  • Ligament strain +/- avulsion fracture of third metacarpal/metatarsal bone   MC / MT 3: fracture  .
  • Chronicity   →   hyperextension of the metatarsophalangeal joint (dropped fetlocks)   Suspensory ligament: desmitis - hindlimb  .
  • Persistent lameness in hindlimbs may be caused by a compartment-like syndrome and pressure on the adjacent plantar metatarsal nerves.
  • See SDFT: tendinitis   SDFT: tendinitis  .

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.
  • Miller K D & Juzwiak J S (2010) Bilateral degenerative suspensory desmitis with acute rupture in a Standardbred colt. Equine Vet Educ 22 (6), 267-270 VetMedResource.
  • Dyson S (2009) Bilateral hindlimb proximal suspensory desmitis as a cause of poor performance in the horse. UK Vet 14 (8), 5-10 VetMedResource.
  • Schnabel L V, Mohammed H O, Jacobson M S & Fortier L A (2008) Effects of platelet rich plasma and acellular bone marrow on gene expression patterns and DNA content of equine suspensory ligament explant cultures. Equine Vet J 40 (3), 260-265 PubMed.
  • Hewes C A & White N A (2006) Outcome of desmoplasty and fasciotomy for desmitis involving the origin of the suspensory ligament in horses: 27 cases (1995-2004). JAVMA 229 (3), 407-412 PubMed.
  • Smith J J, Ross M W & Smith R K (2006) Anabolic effects of acellular bone marrow, platelet rich plasma, and serum on equine suspensory ligament fibroblasts in vitro. Vet Comp Orthop Traumatol 19 (1), 43-47 PubMed.
  • Crowe O M, Dyson S J, Wright I M, Schramme M C & Smith R K (2004) Treatment of chronic or recurrent proximal suspensory desmitis using radial pressure wave therapy in the horse. Equine Vet J 36 (4), 313-316 PubMed.
  • Kasashima Y et al (2004) Prevalence of superficial digital flexor tendonitis and suspensory desmitis in Japanese Thoroughbred flat racehorses in 1999. Equine Vet J 36 (4), 346-350 PubMed.
  • Gibson K T & Steel C M (2002) Conditions of the suspensory ligament causing lameness in horses. Equine Vet Educ 14 (1), 39-50 VetMedResource.
  • Dyson S J et al (1995) Suspensory ligament desmitis. Vet Clin North Am Equine Pract 11 (2), 177-215 (Review) PubMed.
  • Dyson S J (1994) Proximal suspensory desmitis in the hindlimb - 42 cases. Br Vet J 150 (3), 279-291 PubMed.
  • Dyson S J (1991) Proximal suspensory desmitis: clinical, ultrasonographic and radiographic features. Equine Vet J 23 (1), 25-31 PubMed.

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