Extrusion, meniscal signal change, loss of shape, synovitis and bone marrow oedema are reliable scoring parameters to assess MRI appearance post meniscal transplant.
Allograft
Interobserver agreement
Intraobserver agreement
Knee
MRI imaging
Meniscal transplant
Meniscus
Journal
Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA
ISSN: 1433-7347
Titre abrégé: Knee Surg Sports Traumatol Arthrosc
Pays: Germany
ID NLM: 9314730
Informations de publication
Date de publication:
May 2022
May 2022
Historique:
received:
13
05
2021
accepted:
24
08
2021
pubmed:
31
8
2021
medline:
27
4
2022
entrez:
30
8
2021
Statut:
ppublish
Résumé
Meniscal allograft transplantation (MAT) has shown good promise in restoring normal knee joint biomechanics in a meniscal deficient patient. However, MRI appearance of the meniscal allograft is often questioned and raises concerns of its viability and function. This paper aims to introduce and validate a new scoring system for MAT MRI appearance at 12 months [MRI appearance in Meniscal Transplant Score (MIMS)], using key changes such as extrusion, meniscal signal change, loss of shape, synovitis and bone marrow oedema. A retrospective analysis of 10 patients from a single surgeon series was conducted. All MAT were performed with soft tissue fixation technique. MRI was performed at 12 months post-transplant with two independent consultant musculoskeletal radiologists and one experienced meniscal transplant surgeon scoring the images obtained. Interobserver agreement and intraclass correlation were measured. Interobserver agreement between examiners on individual features of the MIMS was superior for tibial bone oedema, substantial for meniscal extrusion and femoral bone oedema, moderate for meniscal shape and synovitis, and fair for meniscal signal changes. Absolute agreement between raters found good reliability (ICC = 0.774; 95% 0.359, 0.960) for single measures and excellent reliability (ICC = 0.911; 95% 0.627, 0.986) for average measures. MIMS is a reliable method of evaluating the meniscal allograft transplant 12 months post-transplant. Further research with larger MAT cohort groups and patient reported outcome measures may be helpful to correlate its clinical significance and guide further management. Level III.
Identifiants
pubmed: 34459933
doi: 10.1007/s00167-021-06720-7
pii: 10.1007/s00167-021-06720-7
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1527-1534Informations de copyright
© 2021. European Society of Sports Traumatology, Knee Surgery, Arthroscopy (ESSKA).
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