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Knee Surgery, Sports Traumatology, Arthroscopy

Published in:

13-08-2023 | KNEE

Insufficient restoration of meniscal extrusion by transtibial pullout repair for medial meniscus posterior root tears

Authors: Ryota Takase, Takashi Ohsawa, Shogo Hashimoto, Shingo Kurihara, Shinya Yanagisawa, Keiichi Hagiwara, Masashi Kimura, Hirotaka Chikuda

Published in: Knee Surgery, Sports Traumatology, Arthroscopy | Issue 11/2023

Abstract

Purpose

The long-term changes in the dynamics of the medial meniscus after transtibial pullout repair for medial meniscus posterior root tears (MMPRTs) are not completely understood. Thus, the aim of this study was to investigate the effects of transtibial pullout repair on MMPRTs and whether the effects would be sustained.

Methods

Nineteen knees with MMPRTs that were treated by trans-tibial pullout repair were enrolled in this study. Medial meniscus extrusion (MME) was measured by ultrasonography during knee extension (no weight-bearing with the knee at 0° extension: NW0°) and 90° flexion (no weight-bearing with the knee at 90° flexion: NW90°) with the patient in the supine position and with full weight-bearing (FW0°) preoperatively and at 3 and 12 months postoperatively. The clinical outcomes were assessed using the Knee Injury and Osteoarthritis Outcome Score, Lysholm score, and International Knee Documentation Committee score.

Results

The difference in MME with NW0° was not statistically significant between the preoperative (3.4 ± 1.0 mm) and 12-month postoperative (3.7 ± 0.6 mm) time points. The MME with NW90° at 3 (2.1 ± 0.7 mm) and 12 months (2.9 ± 0.6 mm) postoperatively were significantly lower than the preoperative values (3.4 ± 0.8 mm) (P < 0.05). However, the value significantly increased from 3 to 12 months postoperatively (P < 0.05). The MME with FW0° at 12 months postoperatively (4.3 ± 0.6 mm) was significantly larger than that at pre-operatively (3.6 ± 0.9 mm) (P < 0.05). All the patients’ clinical conditions were significantly improved at 12 months postoperatively when compared to their preoperative clinical conditions.

Conclusion

Surgery did not reduce the extrusion in the no weight-bearing and weight-bearing positions at knee extension, and these values increased in the postoperative period. In addition, while the surgery reduced the extrusion in the knee flexion position, the restoration achieved by the surgery was not sustained in the long term.

Level of evidence: Level IV.

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Title: Insufficient restoration of meniscal extrusion by transtibial pullout repair for medial meniscus posterior root tears
Authors: Ryota Takase
Takashi Ohsawa
Shogo Hashimoto
Shingo Kurihara
Shinya Yanagisawa
Keiichi Hagiwara
Masashi Kimura
Hirotaka Chikuda
Publication date: 13-08-2023
Publisher: Springer Berlin Heidelberg
Published in: Knee Surgery, Sports Traumatology, Arthroscopy / Issue 11/2023
Print ISSN: 0942-2056
Electronic ISSN: 1433-7347
DOI: https://doi.org/10.1007/s00167-023-07528-3

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Insufficient restoration of meniscal extrusion by transtibial pullout repair for medial meniscus posterior root tears

Abstract

Purpose

Methods

Results

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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