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Anterior meniscopexy: a meniscal sparing technique for the treatment of locking but intact discoid lateral meniscus

  • Knee
  • Published:
Knee Surgery, Sports Traumatology, Arthroscopy Aims and scope

Abstract

Purpose

Symptomatic discoid lateral meniscus without tears has traditionally been treated with excision of part or the entire meniscus. Resection of 15–34% of the meniscus increases tibiofemoral contact pressures by more than 350%. Treatment of discoid lateral meniscus with partial or total meniscectomy in childhood increases the risk of early-onset osteoarthritis in the knee. The incidence of osteoarthritis is directly proportional to the amount of meniscal tissue resected. This paper describes the meniscus-preserving technique of meniscopexy and presents the outcomes of all patients who have undergone this procedure in the management of lateral discoid meniscus in a single unit over a 14-year period.

Methods

A retrospective study was carried out reviewing all patients who underwent meniscopexy for the treatment of MRI-confirmed discoid lateral meniscus without meniscal tear between 2001 and 2015 with a minimum of 1-year follow-up. Eleven patients (12 knees) were identified using a patient database of all patients that had undergone this procedure in our institution. Two patients were excluded from the final results, so nine patients (10 knees) were scored post-operatively at last follow-up using the Lysholm knee score. We reviewed all available post-operative MRI scans and recorded any complications.

Results

Four patients were male and seven were female. The median age of the patients at the time of surgery was 9 (6–14), and the median follow-up was 4.5 years (2–14). The median Lysholm knee score was 91 (86–100). The outcome for all patients scored was either good or excellent.

Conclusion

The established treatment options for symptomatic discoid lateral meniscus without associated tear involve resection of meniscal tissue. Using this technique, all the meniscal tissue is preserved, thus reducing the risk of arthritic change in the future. MRI studies performed post-operatively suggested normalisation of meniscal morphology with time. Meniscopexy offers an effective alternative to the established treatment options in the management of symptomatic discoid lateral meniscus without meniscal tears.

Level of evidence

IV.

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Authors and Affiliations

  1. Robert Jones and Agnes Hunt Orthopaedic Hospital, Oswestry, Shropshire, SY10 7AG, UK

    Benjamin Johnson, Catriona Heaver, Robin Gilbert & Andrew Roberts

Authors
  1. Benjamin Johnson
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  2. Catriona Heaver
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  3. Robin Gilbert
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  4. Andrew Roberts
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Correspondence to Benjamin Johnson.

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The authors declare that they have no conflict of interest.

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There is no funding source.

Ethical approval

No ethical approval was required. This is a retrospective study of outcome.

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No informed consent was obtained although consent was obtained at clinic in order to get the patients outcome scores.

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Johnson, B., Heaver, C., Gilbert, R. et al. Anterior meniscopexy: a meniscal sparing technique for the treatment of locking but intact discoid lateral meniscus. Knee Surg Sports Traumatol Arthrosc 26, 1158–1163 (2018). https://doi.org/10.1007/s00167-017-4546-2

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  • DOI: https://doi.org/10.1007/s00167-017-4546-2

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