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Isolated arthroscopic partial meniscectomy. Functional radiographic evaluation at five years

L E Bolano1, W A Grana

  • 1Department of Orthopaedic Surgery and Rehabilitation, University of Oklahoma, Oklahoma City.

The American Journal of Sports Medicine
|May 1, 1993
PubMed
Summary

Arthroscopic partial meniscectomy yields satisfactory knee function in 82% of patients. Factors for success include younger age, shorter symptom duration, and less severe cartilage damage.

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Knee Biomechanics

Background:

  • Arthroscopic partial meniscectomy is a common procedure for meniscal tears.
  • Long-term outcomes and predictive factors for satisfactory results require further investigation.

Purpose of the Study:

  • To identify factors associated with satisfactory clinical outcomes after arthroscopic partial meniscectomy.
  • To evaluate the correlation between meniscal lesions, cartilage abnormalities, and functional knee scores.

Main Methods:

  • Retrospective analysis of 50 patients undergoing arthroscopic partial meniscectomy with a minimum 5-year follow-up.
  • Assessment of patient age, symptom duration, meniscal tear type, and articular cartilage status.
  • Functional outcomes measured using the Lysholm-Gillquist score; radiographic evaluation included tibiofemoral alignment and osteoarthritis grading.

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Main Results:

  • 82% of patients reported satisfactory knee function and maintained activity levels post-surgery.
  • Factors predicting satisfactory outcomes were age under 40, symptom duration less than 12 months, specific tear types, and chondromalacia less than grade II.
  • Significant osteoarthritis (Fairbank's changes grade III-IV) was present in 30% of patients, indicating abnormal stress on cartilage.

Conclusions:

  • Arthroscopic partial meniscectomy can provide good long-term functional results.
  • Pre-operative factors like patient age, symptom duration, and cartilage health significantly influence outcomes.
  • Radiographic osteoarthritic changes, while common, may not always correlate with functional results but highlight underlying joint stress.