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. 2022 Jul;32(5):795-802.
doi: 10.1007/s00590-021-03035-8. Epub 2021 Jun 17.

Transtibial pullout repair techniques using two simple stitches for medial meniscus posterior root tear can prevent the progression of medial meniscus extrusion and obtain successful outcomes

Takaaki Hiranaka  1 , Takayuki Furumatsu  2 , Shinichi Miyazawa  1 , Yuki Okazaki  1 , Keisuke Kintaka  1 , Yuya Kodama  1 , Yusuke Kamatsuki  1 , Toshifumi Ozaki  1
Affiliations

Transtibial pullout repair techniques using two simple stitches for medial meniscus posterior root tear can prevent the progression of medial meniscus extrusion and obtain successful outcomes

Takaaki Hiranaka et al. Eur J Orthop Surg Traumatol. 2022 Jul.

Abstract

Purpose: Transtibial pullout repairs using two simple stitches (TSS) and a combination of TSS with posteromedial pullout repair (TSS + PMP) using an all-inside meniscal repair device have been reported previously for the treatment of medial meniscus (MM) posterior root tears. This study aimed to investigate the postoperative clinical outcomes of these techniques including MM extrusion (MME).

Methods: Fifty-two patients who underwent transtibial pullout repair were investigated and divided into TSS (n = 27) and TSS + PMP (n = 25) groups. The clinical outcomes were assessed using the Lysholm knee score and Knee Injury and Osteoarthritis Outcome Score 1 year postoperatively and compared between two groups. MME was measured using magnetic resonance imaging at 1 year postoperatively and compared between two groups.

Results: A significant improvement in each clinical score was observed in both groups, and no significant difference was seen in clinical outcomes. Moreover, no significant difference in postoperative MME was observed in both groups (TSS and TSS + PMP: 3.5 mm and 3.8 mm, respectively). Though no significant progression of MME was observed in TSS group, a significant progression of it was observed in TSS + PMP group postoperatively.

Conclusions: This study demonstrated that both techniques improved clinical outcomes in the short-term postoperative period. However, MME was progressed significantly in TSS + PMP group 1 year postoperatively, which indicated that PMP might not be a useful additional procedure for reducing the postoperative MME.

Keywords: Arthroscopy; Clinical outcome; Medial meniscus; Posterior root tear; Pullout repair.

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