Clinical outcomes of medial meniscus posterior root repair: A midterm follow-up study

Transtibial pullout repair of medial meniscus posterior root tears (MMPRTs) cannot prevent the progression of knee osteoarthritis. Conversions of knee arthroplasties are occasionally required following MMPRT repair. However, other knee-related surgical treatments following MMPRT repair are unclear....

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Bibliographic Details
Published in:The knee 2022-10, Vol.38, p.141-147
Main Authors: Furumatsu, Takayuki, Miyazawa, Shinichi, Kodama, Yuya, Kamatsuki, Yusuke, Okazaki, Yoshiki, Hiranaka, Takaaki, Okazaki, Yuki, Kintaka, Keisuke, Ozaki, Toshifumi
Format: Article
Language:English
Subjects:
Clinical outcome
Medial meniscus
MMPRT
Posterior root tear
Transtibial pullout repair
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Summary:Transtibial pullout repair of medial meniscus posterior root tears (MMPRTs) cannot prevent the progression of knee osteoarthritis. Conversions of knee arthroplasties are occasionally required following MMPRT repair. However, other knee-related surgical treatments following MMPRT repair are unclear. This study was aimed at investigating the midterm clinical outcomes and knee-related surgical events following MMPRT repair. Patients with MMPRT underwent pullout repair using FasT-Fix modified Mason-Allen (F-MMA) suturing with an all-inside meniscal repair device. Thirty-two patients with follow-up duration >2 years were enrolled. We assessed the clinical outcomes and postoperative surgical treatment of both knees. F-MMA pullout repair improved all clinical evaluation scores in patients with MMPRT at a mean follow-up of 36.1 months. Postoperative arthroscopic debridement was required for one patient. An additional MMPRT repair was performed in one patient on second-look arthroscopy. None of the patients required ipsilateral knee arthroplasty. In the contralateral knees, one pullout repair of a newly developed MMPRT and two knee arthroplasties were performed. This study demonstrated that F-MMA pullout repair yielded satisfactory clinical outcomes. However, subsequent knee-related surgeries were observed in 6.3% of the pullout-repaired knees and 9.4% of the contralateral knees. Our results suggest that surgeons should be aware of the worsening and/or occurrence of contralateral knee joint disease, even when the postoperative clinical outcomes are satisfactory following MMPRT repair. Level of evidence: IV.
ISSN:0968-0160
1873-5800
DOI:10.1016/j.knee.2022.08.010