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Orthop Traumatol Surg Res. 2015 Oct;101(6 Suppl):S265-8. doi: 10.1016/j.otsr.2015.06.006. Epub 2015 Aug 15.

Evaluating postoperative rotator cuff healing: Prospective comparison of MRI and ultrasound.

Author information

1
Centre Hospitalier Privé Saint-Grégoire, boulevard Boutière 6, 35768 Saint-Grégoire cedex, France. Electronic address: collin.ph@wanadoo.fr.
2
Centre Hospitalier Privé Saint-Grégoire, boulevard Boutière 6, 35768 Saint-Grégoire cedex, France; Nagoya City University Graduate School of Medical Science, Nagoya, Japan.
3
Service de kinésithérapie, Unité de Réadaptation Fonctionnelle en Milieu Professionnel Le Patis Fraux, 35770 Vern-sur-Seiche, France.
4
Centre Hospitalier Privé Saint-Grégoire, boulevard Boutière 6, 35768 Saint-Grégoire cedex, France.
5
Service de chirurgie orthopédique et traumatologie de l'appareil moteur, Hôpitaux Universitaires de Genève, rue Gabrielle-Perret-Gentil 4, 1211 Geneva 14, Switzerland; Faculté de médecine, Université de Genève, rue Michel-Servet 1, 1211 Geneva 4, Switzerland; Service de chirurgie orthopédique et traumatologie de l'appareil moteur, Hôpital de La Tour, rue J.-D.-Maillard 3, 1217 Meyrin, Switzerland.

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.

KEYWORDS:

Magnetic resonance imaging (MRI); Radiological outcomes; Re-rupture; Rotator cuff repair; Tendon healing; Ultrasonography

PMID:
26283053
DOI:
10.1016/j.otsr.2015.06.006
[Indexed for MEDLINE]
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