equis - Articles
Medial patellar ligament: splitting
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
- Treatment of upward fixation of the patella Patella: upward fixation which has not responded to conservative measures.
- Alternative to medial patellar desmotomy Medial patellar ligament: desmotomy in which the medial patellar ligament is transected as a surgical treatment.
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.
Technical problems
- In very small animals, it may be difficult to visualize and reach the surgical sites.
- In these cases, and those where behavior issues are a problem, a short general anesthetic and dorsal recumbency may be required.
Time required
Preparation
- Standing sedation Anesthesia: standing chemical restraint and aseptic preparation: 10-15 min.
- Induction of general anesthesia Anesthesia: induction - overview and aseptic preparation: 20-30 min.
Procedure
- Surgical technique: 10-15 min.
Decision taking
Criteria for choosing test
- Persistent and unresponsive upward fixation of the patella Patella: upward fixation .
Risk assessment
- Minimal.
Requirements
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Preparation
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Technique
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Aftercare
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Outcomes
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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.