Development and application of a proximal hamstring MRI-based scoring tool in patients undergoing proximal hamstring tendon surgical repair

An MRI-based scoring tool assessing surgical repair after proximal hamstring avulsions may provide benefit in the context of research, while serial post-operative MRI will provide insight of what to expect in the clinical context of early re-injury requiring imaging. This study developed and assesse...

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Bibliographic Details
Published in:Journal of orthopaedics 2023-11, Vol.45, p.61-66
Main Authors: Ebert, Jay R., Breidahl, William, Klinken, Sven, Annear, Peter T.
Format: Article
Language:English
Subjects:
Clinical outcomes
MRI
Original article
Proximal hamstring avulsion
Surgical repair
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Summary:An MRI-based scoring tool assessing surgical repair after proximal hamstring avulsions may provide benefit in the context of research, while serial post-operative MRI will provide insight of what to expect in the clinical context of early re-injury requiring imaging. This study developed and assessed the reliability of a Proximal Hamstring Objective Magnetic Resonance Imaging Score (PHOMRIS), further assessing MRI-based repair status and its correlation with patient-reported outcome. 15 patients that underwent proximal hamstring surgical repair underwent MRI and clinical review pre-operatively and at 3-, 6- and 12-months. Clinical scores included the Lower Extremity Functional Scale (LEFS), the Perth Hamstring Assessment Tool (PHAT) and Tegner Activity Scale (TAS). The MRI-based tool assessed the conjoint (semitendinosus & biceps femoris) and semimembranosus insertion components based on bone-tendon healing, signal and retraction. Inter- and intra-observer reliability of the tool was assessed. Inter-observer reliability indicated a strong correlation for the semimembranosus (rho = 0.827, p 
ISSN:0972-978X
0972-978X
DOI:10.1016/j.jor.2023.10.008