Evaluating postoperative rotator cuff healing: Prospective comparison of MRI and ultrasound - 08/10/15
, M. Yoshida a, b, A. Delarue c, C. Lucas a, T. Jossaume a, A. Lädermann d, e, fthe
French Society for Shoulder and Elbow (SOFEC)g
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Abstract |
Background |
The objective of this prospective comparative single centre study was to compare postoperative rotator cuff healing rates as assessed by magnetic resonance imaging (MRI) versus ultrasonography (US).
Material and methods |
Between October 2012 and February 2013, 61 patients underwent arthroscopic repair of postero-superior rotator cuff tears. Each patient underwent MRI and US 6 months later. The findings were assessed independently by two observers. We compared intra-observer and inter-observer levels of agreement regarding healing rates assessed by MRI and US.
Results |
Intra-observer agreement regarding the MRI interpretation was 95% (κ coefficient, 0.83) for one observer and 98% (κ coefficient, 0.94) for the other. Values of κ for inter-observer agreement ranged across readings from 0.76 to 0.90. When MRI was taken as the reference, US had 80% sensitivity and 98% specificity.
Discussion |
MRI and US provide similar assessments of postoperative rotator cuff healing, although US is less sensitive. Intra-observer and inter-observer agreements are very good.
Level of evidence |
III.
Le texte complet de cet article est disponible en PDF.Keywords : Rotator cuff repair, Tendon healing, Re-rupture, Ultrasonography, Magnetic resonance imaging (MRI), Radiological outcomes
Plan
Vol 101 - N° 6S
P. S265-S268 - octobre 2015 Retour au numéro
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