Open Access, Peer-reviewed
pISSN 1226-2102
eISSN 2005-8918
    J Korean Orthop Assoc. 2016 Oct;51(5):387-394. Korean.
    Published online Oct 26, 2016.
    https://doi.org/10.4055/jkoa.2016.51.5.387
    Copyright © 2016 by The Korean Orthopaedic Association
    Original Article

    Clinical and Radiological Short-Term Results after Meniscal Allograft

    Yung-Kuk Lee, M.D., Wan-Sub Kwak, M.D., Jae-Hoon Lee, M.D., Hyon-Ku Cho, M.D., Hyung-Joo Kim, M.D.,* and Ki-Cheor Bae, M.D., Ph.D.*
      • Department of Orthopedic Surgery, Suseong Hanmi Hospital, Daegu, Korea.
      • *Department of Orthopedic Surgery, Keimyung University School of Medicine, Daegu, Korea.
    • Correspondence to: Ki-Cheor Bae, M.D., Ph.D. Department of Orthopedic Surgery, Dongsan Medical Center, Keimyung University School of Medicine, 56 Dalseong-ro, Jung-gu, Daegu 41931, Korea. TEL: +82-53-250-7038, FAX: +82-53-250-7205 Email: bkc@dsmc.or.kr
    Received November 10, 2015; Revised March 08, 2016; Accepted March 15, 2016.

    This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

    Abstract

    Purpose

    The purpose of this study was to evaluate the clinical and radiological results after meniscal allograft transplantation (MAT).

    Materials and Methods

    From October, 2010 to August, 2013, 45 patients, 47 cases who underwent MAT were reviewed. The mean age was 39.9 years and the mean follow-up period was 24.9 months. The clinical results were evaluated using Lysholm score and International Knee Documentation Committee (IKDC) score. All cases were evaluated by serial postoperative radiograph. And 18 cases were performed postoperative magnetic resonance imaging (MRI). Eighteen cases including the 13 cases that had graft dislocation or subluxation and signal changes in MRI underwent second-look arthroscopy.

    Results

    Lysholm score was elevated from mean 58.4 at preoperative to 92.4 at last follow-up. IKDC score was elevated from mean 50.3 at preoperative to 90.1 at last follow-up. Among the 18 cases who underwent postoperative MRI, subluxation was found in 10 cases (55.6%) and graft dislocation with grade III signal change was found in 3 cases (16.7%). However, the 13 cases showed a well healed state of the graft capsule in second-look arthroscopy. There was no joint space narrowing on radiograph during the follow-up period.

    Conclusion

    After MAT, 93.6% of cases showed improved the clinical results above good. Thus, it is effective in relatively young and active patients with meniscus functional deficit and minor meniscal degeneration.

    Keywords
    meniscus; allograft transplantation; second-look arthroscopy; magnetic resonance imaging

    Figures

    Figure 1
    (A) High skin incision on arthroscopic portal for good viewing. (B) Preservation of anterior meniscus peripheral rim for stable graft suture.

    Figure 2
    (A) Intraoperative finding of meniscal allograft transplantation (MAT), All inside suture of anteromedial corner. (B) Intraoperative finding of MAT, posterior compartment.

    Figure 3
    Lateral subluxation after lateral meniscal allograft on follow-up magnetic resonance imaging.

    Figure 4
    Flow diagram. MRI, magnetic resonance imaging.

    Figure 5
    Well healed graft on 2nd look arthroscopy.

    Figure 6
    Comparison of clinical results between patients with lateral (n=35) and medial (n=11) lesions. IKDC, International Knee Documentation Committee.

    Tables

    Table 1
    Combined Disease or Injury

    Table 2
    Preoperative and Postoperative Clinical Score

    Table 3
    Comparison of Clinical Results between Isolated and Combined Lesions

    Notes

    CONFLICTS OF INTEREST:The authors have nothing to disclose.

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    MeSH Terms
    Allografts*
    Arthroscopy
    Dislocations
    Follow-Up Studies
    Humans
    Joints
    Knee
    Magnetic Resonance Imaging
    Transplants
    Metrics
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