このエントリーをはてなブックマークに追加
ID 58714
Author
Furumatsu, Takayuki Department of Orthopaedic Surgery, Okayama University Hospital Kaken ID publons
Okazaki, Yuki Department of Orthopaedic Surgery, Okayama University Hospital
Hiranaka, Takaaki Department of Orthopaedic Surgery, Okayama University Hospital
Kodama, Yuya Department of Orthopaedic Surgery, Okayama University Hospital
Kamatsuki, Yusuke Department of Orthopaedic Surgery, Okayama University Hospital
Okazaki, Yoshiki Department of Orthopaedic Surgery, Okayama University Hospital
Zhang, Ximing Department of Orthopaedic Surgery, Okayama University Hospital
Ozaki, Toshifumi Department of Orthopaedic Surgery, Okayama University Hospital Kaken ID publons researchmap
Abstract
Background
Medial meniscus (MM) posterior root repairs show favorable clinical outcomes in patients with MM posterior root tears (MMPRTs). However, there is no useful magnetic resonance imaging (MRI) finding to determine a functionally good meniscal healing following MM posterior root repairs. We hypothesized that a characteristic postoperative MRI finding can predict a good meniscal healing following pullout repairs. The aim of this study was to investigate a clinical usefulness of several MRI findings for estimating an actual meniscal healing following MMPRT repairs.
Methods
Fifty eight patients who had a posteromedial painful popping of the injured knee and underwent an arthroscopic pullout repair for the MMPRT were included. Arthroscopic meniscal healing was assessed according to the Furumatsu scoring system at 1 year postoperatively. We evaluated postoperative MRI-based meniscal healing using signal intensity, continuity, suspension bridge-like sign of the MM posterior root, and MM medial extrusion on coronal images. Postoperative clinical outcome evaluations were performed at second-look arthroscopy.
Results
Twenty three patients showed good arthroscopic healing scores (≥7 points). Thirty five patients had moderate/poor arthroscopic healing scores (<7 points). At 1-year follow-up period, clinical outcome scores were significantly higher in the good healing group than in the moderate/poor healing group. A characteristic meniscal shape, termed “suspension bridge sign”, was highly observed in the good meniscal healing group (83%) compared with in the moderate/poor healing group (26%, P < 0.001). High signal intensity and continuity of the MM posterior root and MM medial extrusion showed no differences between both groups.
Conclusions
Our study demonstrated that the MRI-based suspension bridge sign can predict an arthroscopically favorable meniscal healing following the MM posterior root repair. The suspension bridge-like MRI finding of the MM would be a useful indicator to evaluate the actual meniscal healing in patients who underwent pullout repairs for MMPRTs.
Note
This fulltext is available in Apr. 2021.
Published Date
2020-04-10
Publication Title
Journal of Orthopaedic Science
Publisher
Elsevier
ISSN
09492658
NCID
AA11052566
Content Type
Journal Article
language
英語
OAI-PMH Set
岡山大学
Copyright Holders
© 2020 The Japanese Orthopaedic Association.
File Version
author
PubMed ID
DOI
Related Url
isVersionOf https://doi.org/10.1016/j.jos.2020.03.012
License
https://creativecommons.org/licenses/by-nc-nd/4.0/