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Late results after arthroscopic partial medial meniscectomy
M Krüger-Franke1, C H Siebert, A Kugler
1Staatliche Orthopädische Klinik, Ludwig-Maximilians-Universität München, Germany.
Summary
Arthroscopic partial medial meniscectomy yields excellent clinical outcomes but does not prevent osteoarthritis progression in the knee joint. Women face a higher risk of developing gonarthrosis post-surgery.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Radiology
Background:
- Arthroscopic partial medial meniscectomy is a common procedure for knee injuries.
- Long-term outcomes regarding osteoarthritis development after this surgery require further investigation.
Purpose of the Study:
- To evaluate the long-term clinical and radiological outcomes of arthroscopic partial medial meniscectomy.
- To assess the development or progression of knee osteoarthritis (OA) after the procedure.
Main Methods:
- Retrospective study of 100 patients with a minimum 7-year follow-up.
- Clinical assessment using the modified Marshall score.
- Radiological assessment comparing pre- and postoperative X-rays for osteoarthritis.
- Analysis of factors influencing outcomes, including age, angular deformity, and sex.
Main Results:
- 96% of patients achieved excellent clinical results.
- 33% showed development or progression of knee osteoarthritis.
- A significant correlation was found between radiological and clinical outcomes (P < 0.05).
- Female sex was a significant risk factor for developing gonarthrosis (P < 0.05).
Conclusions:
- Arthroscopic partial medial meniscectomy provides excellent short-term subjective and functional results.
- The procedure does not prevent the increase or development of late degenerative changes in the medial knee compartment.
- Female patients have a higher risk of developing gonarthrosis after this surgery.