A new, MRI-based classification system for tibial spine fractures changes clinical treatment recommendations when compared to Myers and Mckeever

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dc.contributor.authorGreen, Daniel
dc.contributor.authorTuca, María
dc.contributor.authorLuderowski, Eva
dc.contributor.authorGausden, Elizabeth
dc.contributor.authorGoodbody, Christine
dc.contributor.authorKonin, Gabrielle
dc.date.accessioned2022-06-13T20:23:55Z
dc.date.available2022-06-13T20:23:55Z
dc.date.issued2019
dc.description.abstractPurpose Tibial spine fractures (TSFs) are graded according to the Meyers and McKever (MM) classification system, which is based on a qualitative evaluation of plain radiographs. However, although MRI images can provide important information about these fractures, there is no MRI-based classification system. This study aims to (1) establish the intra- and inter-rater reliability of the MM system for use with radiographs, (2) propose a quantitative, MRI-based system and compare its reliability to the MM system, and (3) assess how often using the MRI-based system changes the classification and potential treatment plan as previously determined using MM. Methods The MRI-based system was designed with three grades based on quantitative displacement patterns of the fractured fragment and tissue entrapment. Four raters from a tertiary care center evaluated 20 fractures according to the MM and MRIbased systems. Observers graded images at two time points at least 2 weeks apart, after which we compared the intra- and inter-rater reliability of each system (using Fleiss’ kappa and weighted kappa, respectively) and assessed how often using the MRI-based system changed the fracture grade. Results Both the MM and MRI-based systems exhibit fair to moderate intra- and inter-rater reliability (average kappa values ranged from 0.38 to 0.66). Use of the MRI-based system changed the fracture grade and as a result modified the treatment recommendations in 32.5% of cases: 6.9% were previously unnoticed fractures, 13.1% underwent a raise in grade, and 12.5% were graded as lower than before. Conclusion The MRI-based system is as reliable as the MM system and provides specific, quantitative criteria for classifying fractures according to fragment displacement and tissue entrapment. The new MRI-based system potentially clarifies treatment indications for TSFs. Level of evidence Diagnostic Study, Level II.es
dc.description.versionVersión Publicadaes
dc.identifier.citationGreen D, Tuca M, Luderowski E, Gausden E, Goodbody C, Konin G. A new, MRI-based classification system for tibial spine fractures changes clinical treatment recommendations when compared to Myers and Mckeever. Knee Surg Sports Traumatol Arthrosc. 2019 Jan;27(1):86-92. doi: 10.1007/s00167-018-5039-7.es
dc.identifier.urihttps://doi.org/10.1007/s00167-018-5039-7es
dc.identifier.urihttp://hdl.handle.net/11447/6210
dc.language.isoenes
dc.subjectTibial spine fracturees
dc.subjectKneees
dc.subjectImaging and radiologyes
dc.subjectPediatric sports medicinees
dc.subjectClinical assessment/grading scaleses
dc.titleA new, MRI-based classification system for tibial spine fractures changes clinical treatment recommendations when compared to Myers and Mckeeveres
dc.typeArticlees
dcterms.sourceKnee Surgery, Sports Traumatology, Arthroscopyes

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