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[Partial versus total meniscectomy. A prospective, randomized study]

A Hede1, E Larsen, H Sandberg

  • 1Ortopaedkirurgisk afdeling og radiologisk afdeling, Københavns Amts Sygehus i Gentofte.

Ugeskrift for Laeger
|January 3, 1994
PubMed
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Partial meniscectomy offers better short-term outcomes for meniscus lesions than total meniscectomy. Long-term results show similar functional scores, but preserving meniscal rim is crucial for knee joint function.

Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Knee Biomechanics

Background:

  • Meniscus lesions are common knee injuries.
  • Surgical options include partial or total meniscectomy.
  • Long-term outcomes and functional impact require further investigation.

Purpose of the Study:

  • To compare the clinical and radiological outcomes of partial versus total meniscectomy.
  • To evaluate functional knee joint scores and patient satisfaction at one year and long-term follow-up.
  • To identify factors influencing outcomes after meniscus surgery.

Main Methods:

  • Prospective study of 200 patients with meniscus lesions.
  • Randomized allocation to partial or total meniscectomy.
  • Assessment at one year and median 7.8 years post-operatively.

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Main Results:

  • Partial meniscectomy showed higher patient satisfaction at one year (90% vs 80%).
  • Long-term functional scores favored partial meniscectomy; however, differences were not statistically significant at late review.
  • Increased lateral laxity observed post-operatively, particularly after total meniscectomy.
  • Radiological degeneration signs progressed similarly in both groups.
  • Preservation of the meniscal rim was critical for favorable functional outcomes.

Conclusions:

  • Partial meniscectomy provides superior short-term subjective outcomes.
  • While long-term functional scores may not significantly differ, preserving meniscal rim tissue is vital.
  • Total meniscectomy is associated with a higher incidence of lateral laxity.