ISSN 2398-2942      

Meniscectomy

icanis
Contributor(s):

Introduction

  • Complete or partial removal of injured meniscus is recommended to decrease pain and joint dysfunction.
  • Central portions of meniscus are avascular and do not heal following tearing.

Uses

  • Excision of damaged meniscal tissue.
  • Excision of damaged or displaced meniscal tissue may reduce the chance of propagating additional meniscal damage due to mechanical disruption during joint motion.

Advantages

  • Excision of damaged meniscal tissue decreases pain and improves function of the stifle.
  • Excision of damaged or displaced meniscal tissue may reduce the chance of propagating additional meniscal damage due to mechanical disruption during joint motion.
  • Removal of source of mechanical instability; non healing tissue.

Disadvantages

  • Removal of meniscal tissue concentrates stress on the articular cartilage, increasing the chance of developing osteoarthritis.
  • Partial excision may leave undetected damaged tissue that would require a second operation.
  • Total removal predisposes joint to arthritis due to absence of cartilage cushion.

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

  • Good with partial menisectomy, based on underlying arthritis and rehabilitation.
  • Fair with complete meniscectomy.

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Jackson J, Vasseur P B, Griffey S et al (2001) Pathologic changes in grossly normal menisci in dogs with rupture of the cranial cruciate ligament. J Am Vet Med Assoc 218 (8), 1281-1284 PubMed.

Other sources of information

  • Whitney W O et al (2002) Arthroscopy of the stifle. In: Small Animal Arthroscopy Eds B S Beale, D A Hulse, K S Schulz and W O Whitney Philadelphia, WB Saunders. (In press).
  • Arnoczky S P & Bullough P G (2001) Healing of Knee Ligaments and Menisci. In:Surgery of the Knee 3rd ed. Eds J N Insall and W N Scott. Churchill Livingstone New York. pp 457-471.
  • Arnoczky S P & McDevitt C A (2000) The Meniscus:Structure, Function, Repair, and Replacement. In:Orthopaedic Basic Science, 2nd ed. Eds J A Buckwalter, T A Einhorn and S R Simon. American Academy of Orthopaedic Surgeons, Rosemont, Illinois. pp 531-546.
  • Dodds J A, Dietzel D P & Arnoczky S P (2000) Knee Meniscus. In:Principles and Practice of Orthopaedic Sports Medicine. Eds W E Garrett Jr, K P Speer and D T. Kirkendall. Lippincott, Williams and Wilkens, Philadelphia. pp 645-661.

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