ISSN 2398-2977      

Medial patellar ligament: splitting

pequis

Introduction

  • Induces a localized desmitis within the ligament with subsequent ligament thickening; this disables the proximal part of the ligament from hooking easily over the medial femoral trochlear ridge.

Uses

Advantages

  • Can be carried out in standing position if desired.
  • Simple technique.
  • No known complications.
  • High success rate.
  • Rapid return to exercise.

Disadvantages

  • Rarely, a case may not respond initially, or in the longer term.
  • The technique can be repeated with some success.

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

  • The technique has high levels of success (90-100%).
  • Many cases resolve within 24 h of surgery.
  • Others may take up to 2-15 days to resolve.
  • Post-operative ultrasonographic evaluation usually reveals a 2-3 increase in the diameter of the ligament within the first 4 weeks after surgery, and thereafter a stabilization at this size. This desmitis and ligament thickening appears to stop the proximal part of the ligament hooking over the upper part of the medial trochlear ridge.

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Tnibar A Z (2003) Treatment of upward fixation of the patella in the horse: An update. Equine Vet Educ 15 (5), 236-242 VetMedResource.
  • Tnibar A Z (2002) Medial patellar ligament splitting for the treatment of upward fixation of the patella in 7 equids. Vet Surg 31, 462-467 PubMed.

Other sources of information

  • Tnibar A Z (2005) Experience with Medial Patellar Ligament Splitting for the Treatment of Upward Fixation of the Patella in the Horse. In: Proc ECVS Congress. Lyon, France. pp111-113.

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